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# This file is part of libdaemon.
#
# Copyright 2003-2008 Lennart Poettering
#
# libdaemon is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation, either version 2.1 of the
# License, or (at your option) any later version.
#
# libdaemon is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with libdaemon. If not, see
# <http://www.gnu.org/licenses/>.
ACLOCAL_AMFLAGS = -I m4
EXTRA_DIST=bootstrap.sh LICENSE
SUBDIRS=libdaemon doc
if EXAMPLES
SUBDIRS += examples
endif
pkgconfigdir = $(libdir)/pkgconfig
pkgconfig_DATA = pkgconfig/libdaemon.pc
dist_noinst_DATA =
MAINTAINERCLEANFILES=
if USE_LYNX
dist_noinst_DATA += README
MAINTAINERCLEANFILES += README
README:
rm -f README
$(MAKE) -C doc README
ln -s doc/README README
endif
doxygen:
$(MAKE) -C doc doxygen
homepage: dist doxygen
test -d $$HOME/homepage/private
mkdir -p $$HOME/homepage/private/projects/libdaemon
cp libdaemon-@PACKAGE_VERSION@.tar.gz $$HOME/homepage/private/projects/libdaemon
cp doc/README.html doc/style.css $$HOME/homepage/private/projects/libdaemon
ln -sf README.html $$HOME/homepage/private/projects/libdaemon/index.html
cp -av doc/reference/ $$HOME/homepage/private/projects/libdaemon/
.PHONY: homepage doxygen

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# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE.
@SET_MAKE@
# This file is part of libdaemon.
#
# Copyright 2003-2008 Lennart Poettering
#
# libdaemon is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation, either version 2.1 of the
# License, or (at your option) any later version.
#
# libdaemon is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with libdaemon. If not, see
# <http://www.gnu.org/licenses/>.
VPATH = @srcdir@
pkgdatadir = $(datadir)/@PACKAGE@
pkgincludedir = $(includedir)/@PACKAGE@
pkglibdir = $(libdir)/@PACKAGE@
pkglibexecdir = $(libexecdir)/@PACKAGE@
am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
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INSTALL_HEADER = $(INSTALL_DATA)
transform = $(program_transform_name)
NORMAL_INSTALL = :
PRE_INSTALL = :
POST_INSTALL = :
NORMAL_UNINSTALL = :
PRE_UNINSTALL = :
POST_UNINSTALL = :
build_triplet = @build@
host_triplet = @host@
@EXAMPLES_TRUE@am__append_1 = examples
@USE_LYNX_TRUE@am__append_2 = README
@USE_LYNX_TRUE@am__append_3 = README
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$(top_srcdir)/pkgconfig/libdaemon.pc.in compile config.guess \
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$(ACLOCAL_M4)
am__CONFIG_DISTCLEAN_FILES = config.status config.cache config.log \
configure.lineno config.status.lineno
mkinstalldirs = $(install_sh) -d
CONFIG_HEADER = config.h
CONFIG_CLEAN_FILES = pkgconfig/libdaemon.pc \
pkgconfig/libdaemon-uninstalled.pc
CONFIG_CLEAN_VPATH_FILES =
AM_V_GEN = $(am__v_GEN_$(V))
am__v_GEN_ = $(am__v_GEN_$(AM_DEFAULT_VERBOSITY))
am__v_GEN_0 = @echo " GEN " $@;
AM_V_at = $(am__v_at_$(V))
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SOURCES =
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html-recursive info-recursive install-data-recursive \
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exit 1; } >&2
distcleancheck: distclean
@if test '$(srcdir)' = . ; then \
echo "ERROR: distcleancheck can only run from a VPATH build" ; \
exit 1 ; \
fi
@test `$(distcleancheck_listfiles) | wc -l` -eq 0 \
|| { echo "ERROR: files left in build directory after distclean:" ; \
$(distcleancheck_listfiles) ; \
exit 1; } >&2
check-am: all-am
check: check-recursive
all-am: Makefile $(DATA) config.h
installdirs: installdirs-recursive
installdirs-am:
for dir in "$(DESTDIR)$(pkgconfigdir)"; do \
test -z "$$dir" || $(MKDIR_P) "$$dir"; \
done
install: install-recursive
install-exec: install-exec-recursive
install-data: install-data-recursive
uninstall: uninstall-recursive
install-am: all-am
@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
installcheck: installcheck-recursive
install-strip:
$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
`test -z '$(STRIP)' || \
echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
mostlyclean-generic:
clean-generic:
distclean-generic:
-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
maintainer-clean-generic:
@echo "This command is intended for maintainers to use"
@echo "it deletes files that may require special tools to rebuild."
-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
clean: clean-recursive
clean-am: clean-generic clean-libtool mostlyclean-am
distclean: distclean-recursive
-rm -f $(am__CONFIG_DISTCLEAN_FILES)
-rm -f Makefile
distclean-am: clean-am distclean-generic distclean-hdr \
distclean-libtool distclean-tags
dvi: dvi-recursive
dvi-am:
html: html-recursive
html-am:
info: info-recursive
info-am:
install-data-am: install-pkgconfigDATA
install-dvi: install-dvi-recursive
install-dvi-am:
install-exec-am:
install-html: install-html-recursive
install-html-am:
install-info: install-info-recursive
install-info-am:
install-man:
install-pdf: install-pdf-recursive
install-pdf-am:
install-ps: install-ps-recursive
install-ps-am:
installcheck-am:
maintainer-clean: maintainer-clean-recursive
-rm -f $(am__CONFIG_DISTCLEAN_FILES)
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maintainer-clean-am: distclean-am maintainer-clean-generic
mostlyclean: mostlyclean-recursive
mostlyclean-am: mostlyclean-generic mostlyclean-libtool
pdf: pdf-recursive
pdf-am:
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ps-am:
uninstall-am: uninstall-pkgconfigDATA
.MAKE: $(RECURSIVE_CLEAN_TARGETS) $(RECURSIVE_TARGETS) all \
ctags-recursive install-am install-strip tags-recursive
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clean-libtool ctags ctags-recursive dist dist-all dist-bzip2 \
dist-gzip dist-lzma dist-shar dist-tarZ dist-xz dist-zip \
distcheck distclean distclean-generic distclean-hdr \
distclean-libtool distclean-tags distcleancheck distdir \
distuninstallcheck dvi dvi-am html html-am info info-am \
install install-am install-data install-data-am install-dvi \
install-dvi-am install-exec install-exec-am install-html \
install-html-am install-info install-info-am install-man \
install-pdf install-pdf-am install-pkgconfigDATA install-ps \
install-ps-am install-strip installcheck installcheck-am \
installdirs installdirs-am maintainer-clean \
maintainer-clean-generic mostlyclean mostlyclean-generic \
mostlyclean-libtool pdf pdf-am ps ps-am tags tags-recursive \
uninstall uninstall-am uninstall-pkgconfigDATA
@USE_LYNX_TRUE@README:
@USE_LYNX_TRUE@ rm -f README
@USE_LYNX_TRUE@ $(MAKE) -C doc README
@USE_LYNX_TRUE@ ln -s doc/README README
doxygen:
$(MAKE) -C doc doxygen
homepage: dist doxygen
test -d $$HOME/homepage/private
mkdir -p $$HOME/homepage/private/projects/libdaemon
cp libdaemon-@PACKAGE_VERSION@.tar.gz $$HOME/homepage/private/projects/libdaemon
cp doc/README.html doc/style.css $$HOME/homepage/private/projects/libdaemon
ln -sf README.html $$HOME/homepage/private/projects/libdaemon/index.html
cp -av doc/reference/ $$HOME/homepage/private/projects/libdaemon/
.PHONY: homepage doxygen
# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
.NOEXPORT:

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libdaemon 0.14
Copyright 2003-2009 Lennart Poettering <mzqnrzba (at) 0pointer (dot)
de>
* [1]License
* [2]News
* [3]Overview
* [4]Current Status
* [5]Documentation
* [6]Requirements
* [7]Installation
* [8]Acknowledgements
* [9]Download
License
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation, either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
General Public License for more details.
News
Sun Oct 18 2009:
[10]Version 0.14 released; changes include: add daemon_set_verbosity()
call; numerous updates
Tue Jul 29 2008:
[11]Version 0.13 released; changes include: add daemon_reset_sigs() and
daemon_unblock_sigs() calls for resetting signal handlers to sensible
states; improve error handling.
Tue Jul 10 2007:
[12]Version 0.12 released; changes include: make daemon_close_all()
actually work properly.
Fri Jun 22 2007:
[13]Version 0.11 released; changes include: automatically detect
whether lynx is installed; properly set errno on every error condition;
add new function daemon_close_all() to close all open file descriptors
except a given set; add daemon_logv(), which is identical to
daemon_log(), but takes a va_list argument; add daemon_execv() in
similar style; other fixes
Thu Nov 24 2005:
[14]Version 0.10 released; changes include: make logging compatible
with daemons running in a chroot() environment
Fri Nov 18 2005:
[15]Version 0.9 released; changes include: portability (FreeBSD,
NetBSD, OpenBSD, Darwin, Solaris, Cygwin); some minor header file
cleanups; fix access mode of PID files; other cleanups; license change
from GPL to LGPL
Sat Jun 4 2005:
[16]Version 0.8 released; changes include: proper PID file locking
Sat Dec 18 2004:
[17]Version 0.7 released; changes include: minor cleanups; C++
compatibility; gcc 2.95 compatiblity
Wed Apr 7 2004:
[18]Version 0.6 released; changes include: backgrounding fixes, minor
other stuff
Tue Feb 10 2004:
[19]Version 0.5 released; changes include: signal handling fix, forking
fix
Sat Jan 10 2004:
[20]Version 0.4 released; changes include: new module dexec.c; added
pkg-config support.
Mon Oct 20 2003:
[21]Version 0.3 released; changes include: documentation update, build
fixes, RPM spec file added, added new function int
daemon_pid_file_kill_wait().
Thu July 10 2003:
[22]Version 0.2 released; changes include: ugly umask error fix,
documentation update
Mon July 7 2003:
[23]Version 0.1 released
Overview
libdaemon is a lightweight C library that eases the writing of UNIX
daemons. It consists of the following parts:
* A wrapper around fork() which does the correct daemonization
procedure of a process
* A wrapper around syslog() for simpler and compatible log output to
Syslog or STDERR
* An API for writing PID files
* An API for serializing UNIX signals into a pipe for usage with
select() or poll()
* An API for running subprocesses with STDOUT and STDERR redirected
to syslog.
APIs like these are used in most daemon software available. It is not
that simple to get it done right and code duplication is not a goal.
libdaemon is currently used by [24]ifplugd, [25]Avahi, [26]ivam2,
[27]Nautilus-Share and [28]aeswepd.
Current Status
Version 0.14 is feature complete.
Documentation
An extensive API reference is [29]available
Requirements
libdaemon was developed and tested on Debian GNU/Linux "testing" from
July 2003, it should work on most other Linux distributions (and some
Unix versions) since it uses GNU Autoconf and GNU libtool for source
code configuration and shared library management.
libdaemon is known to work on modern Linux systems, FreeBSD, NetBSD,
OpenBSD, Darwin, Solaris and Windows/Cygwin.
Installation
As this package is made with the GNU autotools you should run
./configure inside the distribution directory for configuring the
source tree. After that you should run make for compilation and make
install (as root) for installation of libdaemon.
Please use gmake instead of traditional make for compilation on
non-Linux systems.
Acknowledgements
Sebastien Estienne, for a lot of portability work.
Download
The newest release is always available from
[30]http://0pointer.de/lennart/projects/libdaemon/
Get libdaemon's development sources from the [31]GIT [32]repository
([33]gitweb):
git clone git://git.0pointer.de/libdaemon
You may find an up to date Debian package of libdaemon on the
[34]Debian package repository.
If you want to be notified whenever I release a new version of this
software use the subscription feature of [35]Freshmeat.
__________________________________________________________________
Lennart Poettering <mzqnrzba (at) 0pointer (dot) de>, October 2009
References
1. README#license
2. README#news
3. README#overview
4. README#status
5. README#documentation
6. README#requirements
7. README#installation
8. README#acks
9. README#download
10. http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.14.tar.gz
11. http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.13.tar.gz
12. http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.12.tar.gz
13. http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.11.tar.gz
14. http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.10.tar.gz
15. http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.9.tar.gz
16. http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.8.tar.gz
17. http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.7.tar.gz
18. http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.6.tar.gz
19. http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.5.tar.gz
20. http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.4.tar.gz
21. http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.3.tar.gz
22. http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.2.tar.gz
23. http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.1.tar.gz
24. http://0pointer.de/lennart/projects/ifplugd/
25. http://freedesktop.org/Software/Avahi
26. http://0pointer.de/lennart/projects/ivam2/
27. http://gentoo.ovibes.net/nautilus-share/mediawiki-1.4.4/index.php/Accueil
28. http://0pointer.de/lennart/projects/aeswepd/
29. reference/html/index.html
30. http://0pointer.de/lennart/projects/libdaemon/
31. http://git.or.cz/
32. git://git.0pointer.de/libdaemon
33. http://git.0pointer.de/?p=libdaemon.git
34. http://packages.debian.org/libdaemon0
35. http://freshmeat.net/projects/libdaemon/

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#!/bin/sh
# This file is part of libdaemon.
#
# Copyright 2003-2008 Lennart Poettering
#
# libdaemon is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation, either version 2.1 of the
# License, or (at your option) any later version.
#
# libdaemon is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with libdaemon. If not, see
# <http://www.gnu.org/licenses/>.
VERSION=1.9
run_versioned() {
local P
local V
V=$(echo "$2" | sed -e 's,\.,,g')
if [ -e "`which $1$V 2> /dev/null`" ] ; then
P="$1$V"
else
if [ -e "`which $1-$2 2> /dev/null`" ] ; then
P="$1-$2"
else
P="$1"
fi
fi
shift 2
"$P" "$@"
}
set -ex
if [ "x$1" = "xam" ] ; then
run_versioned automake "$VERSION" -a -c --foreign
./config.status
else
rm -rf autom4te.cache
rm -f config.cache
touch config.rpath
test "x$LIBTOOLIZE" = "x" && LIBTOOLIZE=libtoolize
mkdir -p common
"$LIBTOOLIZE" -c --force
run_versioned aclocal "$VERSION" -I m4
run_versioned autoconf 2.59 -Wall
run_versioned autoheader 2.59
run_versioned automake "$VERSION" -a -c --foreign
if test "x$NOCONFIGURE" = "x"; then
CFLAGS="-g -O0" ./configure --sysconfdir=/etc --localstatedir=/var "$@"
make clean
fi
fi

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#! /bin/sh
# Wrapper for compilers which do not understand `-c -o'.
scriptversion=2009-04-28.21; # UTC
# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2009 Free Software
# Foundation, Inc.
# Written by Tom Tromey <tromey@cygnus.com>.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.
# This file is maintained in Automake, please report
# bugs to <bug-automake@gnu.org> or send patches to
# <automake-patches@gnu.org>.
case $1 in
'')
echo "$0: No command. Try \`$0 --help' for more information." 1>&2
exit 1;
;;
-h | --h*)
cat <<\EOF
Usage: compile [--help] [--version] PROGRAM [ARGS]
Wrapper for compilers which do not understand `-c -o'.
Remove `-o dest.o' from ARGS, run PROGRAM with the remaining
arguments, and rename the output as expected.
If you are trying to build a whole package this is not the
right script to run: please start by reading the file `INSTALL'.
Report bugs to <bug-automake@gnu.org>.
EOF
exit $?
;;
-v | --v*)
echo "compile $scriptversion"
exit $?
;;
esac
ofile=
cfile=
eat=
for arg
do
if test -n "$eat"; then
eat=
else
case $1 in
-o)
# configure might choose to run compile as `compile cc -o foo foo.c'.
# So we strip `-o arg' only if arg is an object.
eat=1
case $2 in
*.o | *.obj)
ofile=$2
;;
*)
set x "$@" -o "$2"
shift
;;
esac
;;
*.c)
cfile=$1
set x "$@" "$1"
shift
;;
*)
set x "$@" "$1"
shift
;;
esac
fi
shift
done
if test -z "$ofile" || test -z "$cfile"; then
# If no `-o' option was seen then we might have been invoked from a
# pattern rule where we don't need one. That is ok -- this is a
# normal compilation that the losing compiler can handle. If no
# `.c' file was seen then we are probably linking. That is also
# ok.
exec "$@"
fi
# Name of file we expect compiler to create.
cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'`
# Create the lock directory.
# Note: use `[/\\:.-]' here to ensure that we don't use the same name
# that we are using for the .o file. Also, base the name on the expected
# object file name, since that is what matters with a parallel build.
lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d
while true; do
if mkdir "$lockdir" >/dev/null 2>&1; then
break
fi
sleep 1
done
# FIXME: race condition here if user kills between mkdir and trap.
trap "rmdir '$lockdir'; exit 1" 1 2 15
# Run the compile.
"$@"
ret=$?
if test -f "$cofile"; then
mv "$cofile" "$ofile"
elif test -f "${cofile}bj"; then
mv "${cofile}bj" "$ofile"
fi
rmdir "$lockdir"
exit $ret
# Local Variables:
# mode: shell-script
# sh-indentation: 2
# eval: (add-hook 'write-file-hooks 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-time-zone: "UTC"
# time-stamp-end: "; # UTC"
# End:

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/* config.h.in. Generated from configure.ac by autoheader. */
/* Define to 1 if you have the `asprintf' function. */
#undef HAVE_ASPRINTF
/* Define to 1 if you have the <dlfcn.h> header file. */
#undef HAVE_DLFCN_H
/* Define to 1 if you don't have `vprintf' but do have `_doprnt.' */
#undef HAVE_DOPRNT
/* Define to 1 if you have the `dup2' function. */
#undef HAVE_DUP2
/* Define to 1 if you have the <fcntl.h> header file. */
#undef HAVE_FCNTL_H
/* Define to 1 if you have the `fork' function. */
#undef HAVE_FORK
/* Define to 1 if you have the <inttypes.h> header file. */
#undef HAVE_INTTYPES_H
/* Define to 1 if you have the <limits.h> header file. */
#undef HAVE_LIMITS_H
/* Define to 1 if you have the <memory.h> header file. */
#undef HAVE_MEMORY_H
/* Define to 1 if you have the `memset' function. */
#undef HAVE_MEMSET
/* Define to 1 if you have the `select' function. */
#undef HAVE_SELECT
/* Define to 1 if you have the <stdint.h> header file. */
#undef HAVE_STDINT_H
/* Define to 1 if you have the <stdlib.h> header file. */
#undef HAVE_STDLIB_H
/* Define to 1 if you have the `strerror' function. */
#undef HAVE_STRERROR
/* Define to 1 if you have the <strings.h> header file. */
#undef HAVE_STRINGS_H
/* Define to 1 if you have the <string.h> header file. */
#undef HAVE_STRING_H
/* Define to 1 if you have the `strrchr' function. */
#undef HAVE_STRRCHR
/* Define to 1 if you have the <syslog.h> header file. */
#undef HAVE_SYSLOG_H
/* Define to 1 if you have the <sys/ioctl.h> header file. */
#undef HAVE_SYS_IOCTL_H
/* Define to 1 if you have the <sys/select.h> header file. */
#undef HAVE_SYS_SELECT_H
/* Define to 1 if you have the <sys/socket.h> header file. */
#undef HAVE_SYS_SOCKET_H
/* Define to 1 if you have the <sys/stat.h> header file. */
#undef HAVE_SYS_STAT_H
/* Define to 1 if you have the <sys/time.h> header file. */
#undef HAVE_SYS_TIME_H
/* Define to 1 if you have the <sys/types.h> header file. */
#undef HAVE_SYS_TYPES_H
/* Define to 1 if you have <sys/wait.h> that is POSIX.1 compatible. */
#undef HAVE_SYS_WAIT_H
/* Define to 1 if you have the <unistd.h> header file. */
#undef HAVE_UNISTD_H
/* Define to 1 if you have the `vfork' function. */
#undef HAVE_VFORK
/* Define to 1 if you have the <vfork.h> header file. */
#undef HAVE_VFORK_H
/* Define to 1 if you have the `vprintf' function. */
#undef HAVE_VPRINTF
/* Define to 1 if `fork' works. */
#undef HAVE_WORKING_FORK
/* Define to 1 if `vfork' works. */
#undef HAVE_WORKING_VFORK
/* Define to the sub-directory in which libtool stores uninstalled libraries.
*/
#undef LT_OBJDIR
/* Define to 1 if assertions should be disabled. */
#undef NDEBUG
/* Define to 1 if your C compiler doesn't accept -c and -o together. */
#undef NO_MINUS_C_MINUS_O
/* Name of package */
#undef PACKAGE
/* Define to the address where bug reports for this package should be sent. */
#undef PACKAGE_BUGREPORT
/* Define to the full name of this package. */
#undef PACKAGE_NAME
/* Define to the full name and version of this package. */
#undef PACKAGE_STRING
/* Define to the one symbol short name of this package. */
#undef PACKAGE_TARNAME
/* Define to the version of this package. */
#undef PACKAGE_VERSION
/* Define as the return type of signal handlers (`int' or `void'). */
#undef RETSIGTYPE
/* Define to the type of arg 1 for `select'. */
#undef SELECT_TYPE_ARG1
/* Define to the type of args 2, 3 and 4 for `select'. */
#undef SELECT_TYPE_ARG234
/* Define to the type of arg 5 for `select'. */
#undef SELECT_TYPE_ARG5
/* Define to 1 if the `setpgrp' function takes no argument. */
#undef SETPGRP_VOID
/* Define to 1 if you have the ANSI C header files. */
#undef STDC_HEADERS
/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
#undef TIME_WITH_SYS_TIME
/* Enable extensions on AIX 3, Interix. */
#ifndef _ALL_SOURCE
# undef _ALL_SOURCE
#endif
/* Enable GNU extensions on systems that have them. */
#ifndef _GNU_SOURCE
# undef _GNU_SOURCE
#endif
/* Enable threading extensions on Solaris. */
#ifndef _POSIX_PTHREAD_SEMANTICS
# undef _POSIX_PTHREAD_SEMANTICS
#endif
/* Enable extensions on HP NonStop. */
#ifndef _TANDEM_SOURCE
# undef _TANDEM_SOURCE
#endif
/* Enable general extensions on Solaris. */
#ifndef __EXTENSIONS__
# undef __EXTENSIONS__
#endif
/* Version number of package */
#undef VERSION
/* Number of bits in a file offset, on hosts where this is settable. */
#undef _FILE_OFFSET_BITS
/* Define for large files, on AIX-style hosts. */
#undef _LARGE_FILES
/* Define to 1 if on MINIX. */
#undef _MINIX
/* Define to 2 if the system does not provide POSIX.1 features except with
this defined. */
#undef _POSIX_1_SOURCE
/* Define to 1 if you need to in order for `stat' and other things to work. */
#undef _POSIX_SOURCE
/* Define to empty if `const' does not conform to ANSI C. */
#undef const
/* Define to `int' if <sys/types.h> does not define. */
#undef mode_t
/* Define to `int' if <sys/types.h> does not define. */
#undef pid_t
/* Define to `unsigned int' if <sys/types.h> does not define. */
#undef size_t
/* Define as `fork' if `vfork' does not work. */
#undef vfork
/* Define to empty if the keyword `volatile' does not work. Warning: valid
code using `volatile' can become incorrect without. Disable with care. */
#undef volatile

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# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
# This file is part of libdaemon.
#
# Copyright 2003-2008 Lennart Poettering
#
# libdaemon is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation, either version 2.1 of the
# License, or (at your option) any later version.
#
# libdaemon is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with libdaemon. If not, see
# <http://www.gnu.org/licenses/>.
AC_PREREQ(2.63)
AC_INIT([libdaemon],[0.14],[mzqnrzba (at) 0pointer (dot) de])
AC_CONFIG_SRCDIR([libdaemon/dfork.c])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_MACRO_DIR([m4])
AM_INIT_AUTOMAKE([foreign 1.10 -Wall])
AC_SUBST(PACKAGE_URL, [http://0pointer.de/lennart/projects/libdaemon/])
AC_SUBST(LIBDAEMON_VERSION_INFO, [5:0:5])
if type -p stow > /dev/null && test -d /usr/local/stow ; then
AC_MSG_NOTICE([*** Found /usr/local/stow: default install prefix set to /usr/local/stow/${PACKAGE_NAME}-${PACKAGE_VERSION} ***])
ac_default_prefix="/usr/local/stow/${PACKAGE_NAME}-${PACKAGE_VERSION}"
fi
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
# Checks for programs.
AC_PROG_CC
AC_PROG_CC_C99 dnl This enable gnu99 if present
AM_PROG_CC_C_O
AC_USE_SYSTEM_EXTENSIONS
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
AC_PROG_LIBTOOL
CC_CHECK_CFLAGS_APPEND([-pipe -Wall -W -Wextra -pedantic -Wformat -Wold-style-definition -Wdeclaration-after-statement -Wfloat-equal -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wredundant-decls -Wmissing-noreturn -Wshadow -Wendif-labels -Wpointer-arith -Wbad-function-cast -Wcast-qual -Wcast-align -Wwrite-strings -Winline -Wno-unused-parameter -Wstrict-aliasing])
# Checks for header files.
AC_HEADER_ASSERT
AC_HEADER_STDC
AC_CHECK_HEADERS([fcntl.h limits.h stdlib.h string.h syslog.h unistd.h sys/ioctl.h sys/time.h])
AC_HEADER_SYS_WAIT
# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_PID_T
AC_HEADER_TIME
AC_C_VOLATILE
# Checks for library functions.
AC_FUNC_FORK
AC_FUNC_SELECT_ARGTYPES
AC_FUNC_VPRINTF
AC_CHECK_FUNCS([select strerror dup2 memset strrchr asprintf])
AC_TYPE_MODE_T
AC_FUNC_SETPGRP
AC_TYPE_SIGNAL
AC_TYPE_SIZE_T
AC_SYS_LARGEFILE
CC_NOUNDEFINED
ZP_LYNX_DOC
AC_ARG_ENABLE(examples,
AS_HELP_STRING([--disable-examples], [Don't build examples during make]),,
enable_examples="yes")
AM_CONDITIONAL(EXAMPLES, [test "$enable_examples" = "yes"])
AC_CONFIG_FILES([libdaemon/Makefile Makefile doc/Makefile doc/README.html doc/doxygen.conf examples/Makefile pkgconfig/libdaemon.pc pkgconfig/libdaemon-uninstalled.pc])
AC_OUTPUT

589
depcomp Executable file
View File

@ -0,0 +1,589 @@
#! /bin/sh
# depcomp - compile a program generating dependencies as side-effects
scriptversion=2007-03-29.01
# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007 Free Software
# Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.
# Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
case $1 in
'')
echo "$0: No command. Try \`$0 --help' for more information." 1>&2
exit 1;
;;
-h | --h*)
cat <<\EOF
Usage: depcomp [--help] [--version] PROGRAM [ARGS]
Run PROGRAMS ARGS to compile a file, generating dependencies
as side-effects.
Environment variables:
depmode Dependency tracking mode.
source Source file read by `PROGRAMS ARGS'.
object Object file output by `PROGRAMS ARGS'.
DEPDIR directory where to store dependencies.
depfile Dependency file to output.
tmpdepfile Temporary file to use when outputing dependencies.
libtool Whether libtool is used (yes/no).
Report bugs to <bug-automake@gnu.org>.
EOF
exit $?
;;
-v | --v*)
echo "depcomp $scriptversion"
exit $?
;;
esac
if test -z "$depmode" || test -z "$source" || test -z "$object"; then
echo "depcomp: Variables source, object and depmode must be set" 1>&2
exit 1
fi
# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
depfile=${depfile-`echo "$object" |
sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
rm -f "$tmpdepfile"
# Some modes work just like other modes, but use different flags. We
# parameterize here, but still list the modes in the big case below,
# to make depend.m4 easier to write. Note that we *cannot* use a case
# here, because this file can only contain one case statement.
if test "$depmode" = hp; then
# HP compiler uses -M and no extra arg.
gccflag=-M
depmode=gcc
fi
if test "$depmode" = dashXmstdout; then
# This is just like dashmstdout with a different argument.
dashmflag=-xM
depmode=dashmstdout
fi
case "$depmode" in
gcc3)
## gcc 3 implements dependency tracking that does exactly what
## we want. Yay! Note: for some reason libtool 1.4 doesn't like
## it if -MD -MP comes after the -MF stuff. Hmm.
## Unfortunately, FreeBSD c89 acceptance of flags depends upon
## the command line argument order; so add the flags where they
## appear in depend2.am. Note that the slowdown incurred here
## affects only configure: in makefiles, %FASTDEP% shortcuts this.
for arg
do
case $arg in
-c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
*) set fnord "$@" "$arg" ;;
esac
shift # fnord
shift # $arg
done
"$@"
stat=$?
if test $stat -eq 0; then :
else
rm -f "$tmpdepfile"
exit $stat
fi
mv "$tmpdepfile" "$depfile"
;;
gcc)
## There are various ways to get dependency output from gcc. Here's
## why we pick this rather obscure method:
## - Don't want to use -MD because we'd like the dependencies to end
## up in a subdir. Having to rename by hand is ugly.
## (We might end up doing this anyway to support other compilers.)
## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
## -MM, not -M (despite what the docs say).
## - Using -M directly means running the compiler twice (even worse
## than renaming).
if test -z "$gccflag"; then
gccflag=-MD,
fi
"$@" -Wp,"$gccflag$tmpdepfile"
stat=$?
if test $stat -eq 0; then :
else
rm -f "$tmpdepfile"
exit $stat
fi
rm -f "$depfile"
echo "$object : \\" > "$depfile"
alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
## The second -e expression handles DOS-style file names with drive letters.
sed -e 's/^[^:]*: / /' \
-e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
## This next piece of magic avoids the `deleted header file' problem.
## The problem is that when a header file which appears in a .P file
## is deleted, the dependency causes make to die (because there is
## typically no way to rebuild the header). We avoid this by adding
## dummy dependencies for each header file. Too bad gcc doesn't do
## this for us directly.
tr ' ' '
' < "$tmpdepfile" |
## Some versions of gcc put a space before the `:'. On the theory
## that the space means something, we add a space to the output as
## well.
## Some versions of the HPUX 10.20 sed can't process this invocation
## correctly. Breaking it into two sed invocations is a workaround.
sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
rm -f "$tmpdepfile"
;;
hp)
# This case exists only to let depend.m4 do its work. It works by
# looking at the text of this script. This case will never be run,
# since it is checked for above.
exit 1
;;
sgi)
if test "$libtool" = yes; then
"$@" "-Wp,-MDupdate,$tmpdepfile"
else
"$@" -MDupdate "$tmpdepfile"
fi
stat=$?
if test $stat -eq 0; then :
else
rm -f "$tmpdepfile"
exit $stat
fi
rm -f "$depfile"
if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files
echo "$object : \\" > "$depfile"
# Clip off the initial element (the dependent). Don't try to be
# clever and replace this with sed code, as IRIX sed won't handle
# lines with more than a fixed number of characters (4096 in
# IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines;
# the IRIX cc adds comments like `#:fec' to the end of the
# dependency line.
tr ' ' '
' < "$tmpdepfile" \
| sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
tr '
' ' ' >> $depfile
echo >> $depfile
# The second pass generates a dummy entry for each header file.
tr ' ' '
' < "$tmpdepfile" \
| sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
>> $depfile
else
# The sourcefile does not contain any dependencies, so just
# store a dummy comment line, to avoid errors with the Makefile
# "include basename.Plo" scheme.
echo "#dummy" > "$depfile"
fi
rm -f "$tmpdepfile"
;;
aix)
# The C for AIX Compiler uses -M and outputs the dependencies
# in a .u file. In older versions, this file always lives in the
# current directory. Also, the AIX compiler puts `$object:' at the
# start of each line; $object doesn't have directory information.
# Version 6 uses the directory in both cases.
dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
test "x$dir" = "x$object" && dir=
base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
if test "$libtool" = yes; then
tmpdepfile1=$dir$base.u
tmpdepfile2=$base.u
tmpdepfile3=$dir.libs/$base.u
"$@" -Wc,-M
else
tmpdepfile1=$dir$base.u
tmpdepfile2=$dir$base.u
tmpdepfile3=$dir$base.u
"$@" -M
fi
stat=$?
if test $stat -eq 0; then :
else
rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
exit $stat
fi
for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
do
test -f "$tmpdepfile" && break
done
if test -f "$tmpdepfile"; then
# Each line is of the form `foo.o: dependent.h'.
# Do two passes, one to just change these to
# `$object: dependent.h' and one to simply `dependent.h:'.
sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
# That's a tab and a space in the [].
sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
else
# The sourcefile does not contain any dependencies, so just
# store a dummy comment line, to avoid errors with the Makefile
# "include basename.Plo" scheme.
echo "#dummy" > "$depfile"
fi
rm -f "$tmpdepfile"
;;
icc)
# Intel's C compiler understands `-MD -MF file'. However on
# icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
# ICC 7.0 will fill foo.d with something like
# foo.o: sub/foo.c
# foo.o: sub/foo.h
# which is wrong. We want:
# sub/foo.o: sub/foo.c
# sub/foo.o: sub/foo.h
# sub/foo.c:
# sub/foo.h:
# ICC 7.1 will output
# foo.o: sub/foo.c sub/foo.h
# and will wrap long lines using \ :
# foo.o: sub/foo.c ... \
# sub/foo.h ... \
# ...
"$@" -MD -MF "$tmpdepfile"
stat=$?
if test $stat -eq 0; then :
else
rm -f "$tmpdepfile"
exit $stat
fi
rm -f "$depfile"
# Each line is of the form `foo.o: dependent.h',
# or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
# Do two passes, one to just change these to
# `$object: dependent.h' and one to simply `dependent.h:'.
sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
# Some versions of the HPUX 10.20 sed can't process this invocation
# correctly. Breaking it into two sed invocations is a workaround.
sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" |
sed -e 's/$/ :/' >> "$depfile"
rm -f "$tmpdepfile"
;;
hp2)
# The "hp" stanza above does not work with aCC (C++) and HP's ia64
# compilers, which have integrated preprocessors. The correct option
# to use with these is +Maked; it writes dependencies to a file named
# 'foo.d', which lands next to the object file, wherever that
# happens to be.
# Much of this is similar to the tru64 case; see comments there.
dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
test "x$dir" = "x$object" && dir=
base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
if test "$libtool" = yes; then
tmpdepfile1=$dir$base.d
tmpdepfile2=$dir.libs/$base.d
"$@" -Wc,+Maked
else
tmpdepfile1=$dir$base.d
tmpdepfile2=$dir$base.d
"$@" +Maked
fi
stat=$?
if test $stat -eq 0; then :
else
rm -f "$tmpdepfile1" "$tmpdepfile2"
exit $stat
fi
for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"
do
test -f "$tmpdepfile" && break
done
if test -f "$tmpdepfile"; then
sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile"
# Add `dependent.h:' lines.
sed -ne '2,${; s/^ *//; s/ \\*$//; s/$/:/; p;}' "$tmpdepfile" >> "$depfile"
else
echo "#dummy" > "$depfile"
fi
rm -f "$tmpdepfile" "$tmpdepfile2"
;;
tru64)
# The Tru64 compiler uses -MD to generate dependencies as a side
# effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
# At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
# dependencies in `foo.d' instead, so we check for that too.
# Subdirectories are respected.
dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
test "x$dir" = "x$object" && dir=
base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
if test "$libtool" = yes; then
# With Tru64 cc, shared objects can also be used to make a
# static library. This mechanism is used in libtool 1.4 series to
# handle both shared and static libraries in a single compilation.
# With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d.
#
# With libtool 1.5 this exception was removed, and libtool now
# generates 2 separate objects for the 2 libraries. These two
# compilations output dependencies in $dir.libs/$base.o.d and
# in $dir$base.o.d. We have to check for both files, because
# one of the two compilations can be disabled. We should prefer
# $dir$base.o.d over $dir.libs/$base.o.d because the latter is
# automatically cleaned when .libs/ is deleted, while ignoring
# the former would cause a distcleancheck panic.
tmpdepfile1=$dir.libs/$base.lo.d # libtool 1.4
tmpdepfile2=$dir$base.o.d # libtool 1.5
tmpdepfile3=$dir.libs/$base.o.d # libtool 1.5
tmpdepfile4=$dir.libs/$base.d # Compaq CCC V6.2-504
"$@" -Wc,-MD
else
tmpdepfile1=$dir$base.o.d
tmpdepfile2=$dir$base.d
tmpdepfile3=$dir$base.d
tmpdepfile4=$dir$base.d
"$@" -MD
fi
stat=$?
if test $stat -eq 0; then :
else
rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
exit $stat
fi
for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
do
test -f "$tmpdepfile" && break
done
if test -f "$tmpdepfile"; then
sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
# That's a tab and a space in the [].
sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
else
echo "#dummy" > "$depfile"
fi
rm -f "$tmpdepfile"
;;
#nosideeffect)
# This comment above is used by automake to tell side-effect
# dependency tracking mechanisms from slower ones.
dashmstdout)
# Important note: in order to support this mode, a compiler *must*
# always write the preprocessed file to stdout, regardless of -o.
"$@" || exit $?
# Remove the call to Libtool.
if test "$libtool" = yes; then
while test $1 != '--mode=compile'; do
shift
done
shift
fi
# Remove `-o $object'.
IFS=" "
for arg
do
case $arg in
-o)
shift
;;
$object)
shift
;;
*)
set fnord "$@" "$arg"
shift # fnord
shift # $arg
;;
esac
done
test -z "$dashmflag" && dashmflag=-M
# Require at least two characters before searching for `:'
# in the target name. This is to cope with DOS-style filenames:
# a dependency such as `c:/foo/bar' could be seen as target `c' otherwise.
"$@" $dashmflag |
sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile"
rm -f "$depfile"
cat < "$tmpdepfile" > "$depfile"
tr ' ' '
' < "$tmpdepfile" | \
## Some versions of the HPUX 10.20 sed can't process this invocation
## correctly. Breaking it into two sed invocations is a workaround.
sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
rm -f "$tmpdepfile"
;;
dashXmstdout)
# This case only exists to satisfy depend.m4. It is never actually
# run, as this mode is specially recognized in the preamble.
exit 1
;;
makedepend)
"$@" || exit $?
# Remove any Libtool call
if test "$libtool" = yes; then
while test $1 != '--mode=compile'; do
shift
done
shift
fi
# X makedepend
shift
cleared=no
for arg in "$@"; do
case $cleared in
no)
set ""; shift
cleared=yes ;;
esac
case "$arg" in
-D*|-I*)
set fnord "$@" "$arg"; shift ;;
# Strip any option that makedepend may not understand. Remove
# the object too, otherwise makedepend will parse it as a source file.
-*|$object)
;;
*)
set fnord "$@" "$arg"; shift ;;
esac
done
obj_suffix="`echo $object | sed 's/^.*\././'`"
touch "$tmpdepfile"
${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
rm -f "$depfile"
cat < "$tmpdepfile" > "$depfile"
sed '1,2d' "$tmpdepfile" | tr ' ' '
' | \
## Some versions of the HPUX 10.20 sed can't process this invocation
## correctly. Breaking it into two sed invocations is a workaround.
sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
rm -f "$tmpdepfile" "$tmpdepfile".bak
;;
cpp)
# Important note: in order to support this mode, a compiler *must*
# always write the preprocessed file to stdout.
"$@" || exit $?
# Remove the call to Libtool.
if test "$libtool" = yes; then
while test $1 != '--mode=compile'; do
shift
done
shift
fi
# Remove `-o $object'.
IFS=" "
for arg
do
case $arg in
-o)
shift
;;
$object)
shift
;;
*)
set fnord "$@" "$arg"
shift # fnord
shift # $arg
;;
esac
done
"$@" -E |
sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
-e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
sed '$ s: \\$::' > "$tmpdepfile"
rm -f "$depfile"
echo "$object : \\" > "$depfile"
cat < "$tmpdepfile" >> "$depfile"
sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
rm -f "$tmpdepfile"
;;
msvisualcpp)
# Important note: in order to support this mode, a compiler *must*
# always write the preprocessed file to stdout, regardless of -o,
# because we must use -o when running libtool.
"$@" || exit $?
IFS=" "
for arg
do
case "$arg" in
"-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
set fnord "$@"
shift
shift
;;
*)
set fnord "$@" "$arg"
shift
shift
;;
esac
done
"$@" -E |
sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile"
rm -f "$depfile"
echo "$object : \\" > "$depfile"
. "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile"
echo " " >> "$depfile"
. "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile"
rm -f "$tmpdepfile"
;;
none)
exec "$@"
;;
*)
echo "Unknown depmode $depmode" 1>&2
exit 1
;;
esac
exit 0
# Local Variables:
# mode: shell-script
# sh-indentation: 2
# eval: (add-hook 'write-file-hooks 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-end: "$"
# End:

43
doc/Makefile.am Normal file
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@ -0,0 +1,43 @@
# This file is part of libdaemon.
#
# Copyright 2003-2008 Lennart Poettering
#
# libdaemon is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation, either version 2.1 of the
# License, or (at your option) any later version.
#
# libdaemon is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with libdaemon. If not, see
# <http://www.gnu.org/licenses/>.
dist_html_DATA = README.html style.css
EXTRA_DIST = README.html.in
MAINTAINERCLEANFILES = README.html
CLEANFILES =
doxygen: doxygen.conf
doxygen doxygen.conf
maintainer-clean-local:
rm -rf reference
if USE_LYNX
dist_doc_DATA = README
MAINTAINERCLEANFILES += README
README: README.html
lynx --dump $^ | sed 's,file://localhost/.*/doc/README.html,README,' | sed 's,file://localhost/.*/doc/reference/,reference/,' > $@
CLEANFILES += README
endif
tidy: README.html
tidy -e < README.html
.PHONY: doxygen tidy

479
doc/Makefile.in Normal file
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@ -0,0 +1,479 @@
# Makefile.in generated by automake 1.11 from Makefile.am.
# @configure_input@
# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation,
# Inc.
# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE.
@SET_MAKE@
# This file is part of libdaemon.
#
# Copyright 2003-2008 Lennart Poettering
#
# libdaemon is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation, either version 2.1 of the
# License, or (at your option) any later version.
#
# libdaemon is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with libdaemon. If not, see
# <http://www.gnu.org/licenses/>.
VPATH = @srcdir@
pkgdatadir = $(datadir)/@PACKAGE@
pkgincludedir = $(includedir)/@PACKAGE@
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libdaemon 0.14
Copyright 2003-2009 Lennart Poettering <mzqnrzba (at) 0pointer (dot)
de>
* [1]License
* [2]News
* [3]Overview
* [4]Current Status
* [5]Documentation
* [6]Requirements
* [7]Installation
* [8]Acknowledgements
* [9]Download
License
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation, either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
General Public License for more details.
News
Sun Oct 18 2009:
[10]Version 0.14 released; changes include: add daemon_set_verbosity()
call; numerous updates
Tue Jul 29 2008:
[11]Version 0.13 released; changes include: add daemon_reset_sigs() and
daemon_unblock_sigs() calls for resetting signal handlers to sensible
states; improve error handling.
Tue Jul 10 2007:
[12]Version 0.12 released; changes include: make daemon_close_all()
actually work properly.
Fri Jun 22 2007:
[13]Version 0.11 released; changes include: automatically detect
whether lynx is installed; properly set errno on every error condition;
add new function daemon_close_all() to close all open file descriptors
except a given set; add daemon_logv(), which is identical to
daemon_log(), but takes a va_list argument; add daemon_execv() in
similar style; other fixes
Thu Nov 24 2005:
[14]Version 0.10 released; changes include: make logging compatible
with daemons running in a chroot() environment
Fri Nov 18 2005:
[15]Version 0.9 released; changes include: portability (FreeBSD,
NetBSD, OpenBSD, Darwin, Solaris, Cygwin); some minor header file
cleanups; fix access mode of PID files; other cleanups; license change
from GPL to LGPL
Sat Jun 4 2005:
[16]Version 0.8 released; changes include: proper PID file locking
Sat Dec 18 2004:
[17]Version 0.7 released; changes include: minor cleanups; C++
compatibility; gcc 2.95 compatiblity
Wed Apr 7 2004:
[18]Version 0.6 released; changes include: backgrounding fixes, minor
other stuff
Tue Feb 10 2004:
[19]Version 0.5 released; changes include: signal handling fix, forking
fix
Sat Jan 10 2004:
[20]Version 0.4 released; changes include: new module dexec.c; added
pkg-config support.
Mon Oct 20 2003:
[21]Version 0.3 released; changes include: documentation update, build
fixes, RPM spec file added, added new function int
daemon_pid_file_kill_wait().
Thu July 10 2003:
[22]Version 0.2 released; changes include: ugly umask error fix,
documentation update
Mon July 7 2003:
[23]Version 0.1 released
Overview
libdaemon is a lightweight C library that eases the writing of UNIX
daemons. It consists of the following parts:
* A wrapper around fork() which does the correct daemonization
procedure of a process
* A wrapper around syslog() for simpler and compatible log output to
Syslog or STDERR
* An API for writing PID files
* An API for serializing UNIX signals into a pipe for usage with
select() or poll()
* An API for running subprocesses with STDOUT and STDERR redirected
to syslog.
APIs like these are used in most daemon software available. It is not
that simple to get it done right and code duplication is not a goal.
libdaemon is currently used by [24]ifplugd, [25]Avahi, [26]ivam2,
[27]Nautilus-Share and [28]aeswepd.
Current Status
Version 0.14 is feature complete.
Documentation
An extensive API reference is [29]available
Requirements
libdaemon was developed and tested on Debian GNU/Linux "testing" from
July 2003, it should work on most other Linux distributions (and some
Unix versions) since it uses GNU Autoconf and GNU libtool for source
code configuration and shared library management.
libdaemon is known to work on modern Linux systems, FreeBSD, NetBSD,
OpenBSD, Darwin, Solaris and Windows/Cygwin.
Installation
As this package is made with the GNU autotools you should run
./configure inside the distribution directory for configuring the
source tree. After that you should run make for compilation and make
install (as root) for installation of libdaemon.
Please use gmake instead of traditional make for compilation on
non-Linux systems.
Acknowledgements
Sebastien Estienne, for a lot of portability work.
Download
The newest release is always available from
[30]http://0pointer.de/lennart/projects/libdaemon/
Get libdaemon's development sources from the [31]GIT [32]repository
([33]gitweb):
git clone git://git.0pointer.de/libdaemon
You may find an up to date Debian package of libdaemon on the
[34]Debian package repository.
If you want to be notified whenever I release a new version of this
software use the subscription feature of [35]Freshmeat.
__________________________________________________________________
Lennart Poettering <mzqnrzba (at) 0pointer (dot) de>, October 2009
References
1. README#license
2. README#news
3. README#overview
4. README#status
5. README#documentation
6. README#requirements
7. README#installation
8. README#acks
9. README#download
10. http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.14.tar.gz
11. http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.13.tar.gz
12. http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.12.tar.gz
13. http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.11.tar.gz
14. http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.10.tar.gz
15. http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.9.tar.gz
16. http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.8.tar.gz
17. http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.7.tar.gz
18. http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.6.tar.gz
19. http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.5.tar.gz
20. http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.4.tar.gz
21. http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.3.tar.gz
22. http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.2.tar.gz
23. http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.1.tar.gz
24. http://0pointer.de/lennart/projects/ifplugd/
25. http://freedesktop.org/Software/Avahi
26. http://0pointer.de/lennart/projects/ivam2/
27. http://gentoo.ovibes.net/nautilus-share/mediawiki-1.4.4/index.php/Accueil
28. http://0pointer.de/lennart/projects/aeswepd/
29. reference/html/index.html
30. http://0pointer.de/lennart/projects/libdaemon/
31. http://git.or.cz/
32. git://git.0pointer.de/libdaemon
33. http://git.0pointer.de/?p=libdaemon.git
34. http://packages.debian.org/libdaemon0
35. http://freshmeat.net/projects/libdaemon/

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<?xml version="1.0" encoding="iso-8859-15"?> <!-- -*-html-helper-*- -->
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>libdaemon 0.14</title>
<link rel="stylesheet" type="text/css" href="style.css" />
</head>
<body>
<h1><a name="top">libdaemon 0.14</a></h1>
<p><i>Copyright 2003-2009 Lennart Poettering &lt;mzqnrzba (at) 0pointer (dot) de&gt;</i></p>
<ul class="toc">
<li><a href="#license">License</a></li>
<li><a href="#news">News</a></li>
<li><a href="#overview">Overview</a></li>
<li><a href="#status">Current Status</a></li>
<li><a href="#documentation">Documentation</a></li>
<li><a href="#requirements">Requirements</a></li>
<li><a href="#installation">Installation</a></li>
<li><a href="#acks">Acknowledgements</a></li>
<li><a href="#download">Download</a></li>
</ul>
<h2><a name="license">License</a></h2>
<p>This program is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 2.1 of the
License, or (at your option) any later version.</p>
<p>This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.</p>
<h2><a name="news">News</a></h2>
<div class="news-date">Sun Oct 18 2009: </div>
<p class="news-text"><a href="http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.14.tar.gz">Version 0.14</a> released; changes include: add <tt>daemon_set_verbosity()</tt> call; numerous updates</p>
<div class="news-date">Tue Jul 29 2008: </div>
<p class="news-text"><a href="http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.13.tar.gz">Version 0.13</a> released; changes include: add <tt>daemon_reset_sigs()</tt> and <tt>daemon_unblock_sigs()</tt> calls for resetting signal handlers to sensible states; improve error handling.</p>
<div class="news-date">Tue Jul 10 2007: </div>
<p class="news-text"><a href="http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.12.tar.gz">Version 0.12</a> released; changes include: make <tt>daemon_close_all()</tt> actually work properly.</p>
<div class="news-date">Fri Jun 22 2007: </div>
<p class="news-text"><a href="http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.11.tar.gz">Version 0.11</a> released; changes include: automatically detect whether lynx is installed; properly set <tt>errno</tt> on every error condition; add new function <tt>daemon_close_all()</tt> to close all open file descriptors except a given set; add <tt>daemon_logv()</tt>, which is identical to <tt>daemon_log()</tt>, but takes a <tt>va_list</tt> argument; add <tt>daemon_execv()</tt> in similar style; other fixes</p>
<div class="news-date">Thu Nov 24 2005: </div>
<p class="news-text"><a href="http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.10.tar.gz">Version 0.10</a> released; changes include: make logging compatible with daemons running in a <tt>chroot()</tt> environment</p>
<div class="news-date">Fri Nov 18 2005: </div>
<p class="news-text"><a href="http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.9.tar.gz">Version 0.9</a> released; changes include: portability (FreeBSD, NetBSD, OpenBSD, Darwin, Solaris, Cygwin); some minor header file cleanups; fix access mode of PID files; other cleanups; license change from GPL to LGPL</p>
<div class="news-date">Sat Jun 4 2005: </div>
<p class="news-text"><a href="http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.8.tar.gz">Version 0.8</a> released; changes include: proper PID file locking</p>
<div class="news-date">Sat Dec 18 2004: </div>
<p class="news-text"><a href="http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.7.tar.gz">Version 0.7</a> released; changes include: minor cleanups; C++ compatibility; gcc 2.95 compatiblity</p>
<div class="news-date">Wed Apr 7 2004: </div>
<p class="news-text"><a href="http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.6.tar.gz">Version 0.6</a> released; changes include: backgrounding fixes, minor other stuff</p>
<div class="news-date">Tue Feb 10 2004: </div>
<p class="news-text"><a href="http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.5.tar.gz">Version 0.5</a> released; changes include: signal handling fix, forking fix</p>
<div class="news-date">Sat Jan 10 2004: </div>
<p class="news-text"><a href="http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.4.tar.gz">Version 0.4</a> released; changes include: new module <tt>dexec.c</tt>; added <tt>pkg-config</tt> support.</p>
<div class="news-date">Mon Oct 20 2003: </div>
<p class="news-text"><a href="http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.3.tar.gz">Version 0.3</a> released; changes include: documentation update, build fixes, RPM spec file added, added new function int <tt>daemon_pid_file_kill_wait()</tt>.</p>
<div class="news-date">Thu July 10 2003: </div>
<p class="news-text"><a href="http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.2.tar.gz">Version 0.2</a> released; changes include: ugly umask error fix, documentation update</p>
<div class="news-date">Mon July 7 2003: </div>
<p class="news-text"><a href="http://0pointer.de/lennart/projects/libdaemon/libdaemon-0.1.tar.gz">Version 0.1</a> released</p>
<h2><a name="overview">Overview</a></h2>
<p><tt>libdaemon</tt> is a lightweight C library that eases the writing of UNIX
daemons. It consists of the following parts:</p>
<ul>
<li>A wrapper around <tt>fork()</tt> which does the correct
daemonization procedure of a process</li>
<li>A wrapper around <tt>syslog()</tt> for simpler and compatible
log output to Syslog or STDERR</li>
<li>An API for writing PID files</li>
<li>An API for serializing UNIX signals into a pipe for
usage with <tt>select()</tt> or <tt>poll()</tt></li>
<li>An API for running subprocesses with STDOUT and STDERR redirected to syslog.</li>
</ul>
<p>APIs like these are used in most daemon software
available. It is not that simple to get it done right and code
duplication is not a goal.</p>
<p><tt>libdaemon</tt> is currently used by <a
href="http://0pointer.de/lennart/projects/ifplugd/"><tt>ifplugd</tt></a>,
<a
href="http://freedesktop.org/Software/Avahi">Avahi</a>,
<a
href="http://0pointer.de/lennart/projects/ivam2/"><tt>ivam2</tt></a>,
<a href="http://gentoo.ovibes.net/nautilus-share/mediawiki-1.4.4/index.php/Accueil">Nautilus-Share</a>
and <a
href="http://0pointer.de/lennart/projects/aeswepd/"><tt>aeswepd</tt></a>.</p>
<h2><a name="status">Current Status</a></h2>
<p>Version 0.14 is feature complete.</p>
<h2><a name="documentation">Documentation</a></h2>
<p>An extensive API reference is <a
href="reference/html/index.html">available</a></p>
<h2><a name="requirements">Requirements</a></h2>
<p><tt>libdaemon</tt> was developed and tested on Debian GNU/Linux
"testing" from July 2003, it should work on most other Linux
distributions (and some Unix versions) since it uses GNU Autoconf and
GNU libtool for source code configuration and shared library
management.</p>
<p><tt>libdaemon</tt> is known to work on modern Linux systems, FreeBSD, NetBSD, OpenBSD, Darwin, Solaris and Windows/Cygwin.</p>
<h2><a name="installation">Installation</a></h2>
<p>As this package is made with the GNU autotools you should run
<tt>./configure</tt> inside the distribution directory for configuring
the source tree. After that you should run <tt>make</tt> for
compilation and <tt>make install</tt> (as root) for installation of
<tt>libdaemon</tt>.</p>
<p>Please use <tt>gmake</tt> instead of traditional <tt>make</tt> for compilation on non-Linux systems.</p>
<h2><a name="acks">Acknowledgements</a></h2>
<p>Sebastien Estienne, for a lot of portability work.</p>
<h2><a name="download">Download</a></h2>
<p>The newest release is always available from <a href="http://0pointer.de/lennart/projects/libdaemon/">http://0pointer.de/lennart/projects/libdaemon/</a></p>
<p>Get <tt>libdaemon</tt>'s development sources from the <a href="http://git.or.cz/">GIT</a> <a href="git://git.0pointer.de/libdaemon">repository</a> (<a href="http://git.0pointer.de/?p=libdaemon.git">gitweb</a>): </p>
<pre>git clone git://git.0pointer.de/libdaemon</pre>
<p>You may find an up to date Debian package of <tt>libdaemon</tt> on the <a href="http://packages.debian.org/libdaemon0">Debian package repository</a>.</p>
<p>If you want to be notified whenever I release a new version of this software use the subscription feature of <a href="http://freshmeat.net/projects/libdaemon/">Freshmeat</a>.</p>
<hr/>
<address class="grey">Lennart Poettering &lt;mzqnrzba (at) 0pointer (dot) de&gt;, October 2009</address>
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<?xml version="1.0" encoding="iso-8859-15"?> <!-- -*-html-helper-*- -->
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>libdaemon @PACKAGE_VERSION@</title>
<link rel="stylesheet" type="text/css" href="style.css" />
</head>
<body>
<h1><a name="top">libdaemon @PACKAGE_VERSION@</a></h1>
<p><i>Copyright 2003-2009 Lennart Poettering &lt;@PACKAGE_BUGREPORT@&gt;</i></p>
<ul class="toc">
<li><a href="#license">License</a></li>
<li><a href="#news">News</a></li>
<li><a href="#overview">Overview</a></li>
<li><a href="#status">Current Status</a></li>
<li><a href="#documentation">Documentation</a></li>
<li><a href="#requirements">Requirements</a></li>
<li><a href="#installation">Installation</a></li>
<li><a href="#acks">Acknowledgements</a></li>
<li><a href="#download">Download</a></li>
</ul>
<h2><a name="license">License</a></h2>
<p>This program is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 2.1 of the
License, or (at your option) any later version.</p>
<p>This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.</p>
<h2><a name="news">News</a></h2>
<div class="news-date">Sun Oct 18 2009: </div>
<p class="news-text"><a href="@PACKAGE_URL@libdaemon-0.14.tar.gz">Version 0.14</a> released; changes include: add <tt>daemon_set_verbosity()</tt> call; numerous updates</p>
<div class="news-date">Tue Jul 29 2008: </div>
<p class="news-text"><a href="@PACKAGE_URL@libdaemon-0.13.tar.gz">Version 0.13</a> released; changes include: add <tt>daemon_reset_sigs()</tt> and <tt>daemon_unblock_sigs()</tt> calls for resetting signal handlers to sensible states; improve error handling.</p>
<div class="news-date">Tue Jul 10 2007: </div>
<p class="news-text"><a href="@PACKAGE_URL@libdaemon-0.12.tar.gz">Version 0.12</a> released; changes include: make <tt>daemon_close_all()</tt> actually work properly.</p>
<div class="news-date">Fri Jun 22 2007: </div>
<p class="news-text"><a href="@PACKAGE_URL@libdaemon-0.11.tar.gz">Version 0.11</a> released; changes include: automatically detect whether lynx is installed; properly set <tt>errno</tt> on every error condition; add new function <tt>daemon_close_all()</tt> to close all open file descriptors except a given set; add <tt>daemon_logv()</tt>, which is identical to <tt>daemon_log()</tt>, but takes a <tt>va_list</tt> argument; add <tt>daemon_execv()</tt> in similar style; other fixes</p>
<div class="news-date">Thu Nov 24 2005: </div>
<p class="news-text"><a href="@PACKAGE_URL@libdaemon-0.10.tar.gz">Version 0.10</a> released; changes include: make logging compatible with daemons running in a <tt>chroot()</tt> environment</p>
<div class="news-date">Fri Nov 18 2005: </div>
<p class="news-text"><a href="@PACKAGE_URL@libdaemon-0.9.tar.gz">Version 0.9</a> released; changes include: portability (FreeBSD, NetBSD, OpenBSD, Darwin, Solaris, Cygwin); some minor header file cleanups; fix access mode of PID files; other cleanups; license change from GPL to LGPL</p>
<div class="news-date">Sat Jun 4 2005: </div>
<p class="news-text"><a href="@PACKAGE_URL@libdaemon-0.8.tar.gz">Version 0.8</a> released; changes include: proper PID file locking</p>
<div class="news-date">Sat Dec 18 2004: </div>
<p class="news-text"><a href="@PACKAGE_URL@libdaemon-0.7.tar.gz">Version 0.7</a> released; changes include: minor cleanups; C++ compatibility; gcc 2.95 compatiblity</p>
<div class="news-date">Wed Apr 7 2004: </div>
<p class="news-text"><a href="@PACKAGE_URL@libdaemon-0.6.tar.gz">Version 0.6</a> released; changes include: backgrounding fixes, minor other stuff</p>
<div class="news-date">Tue Feb 10 2004: </div>
<p class="news-text"><a href="@PACKAGE_URL@libdaemon-0.5.tar.gz">Version 0.5</a> released; changes include: signal handling fix, forking fix</p>
<div class="news-date">Sat Jan 10 2004: </div>
<p class="news-text"><a href="@PACKAGE_URL@libdaemon-0.4.tar.gz">Version 0.4</a> released; changes include: new module <tt>dexec.c</tt>; added <tt>pkg-config</tt> support.</p>
<div class="news-date">Mon Oct 20 2003: </div>
<p class="news-text"><a href="@PACKAGE_URL@libdaemon-0.3.tar.gz">Version 0.3</a> released; changes include: documentation update, build fixes, RPM spec file added, added new function int <tt>daemon_pid_file_kill_wait()</tt>.</p>
<div class="news-date">Thu July 10 2003: </div>
<p class="news-text"><a href="@PACKAGE_URL@libdaemon-0.2.tar.gz">Version 0.2</a> released; changes include: ugly umask error fix, documentation update</p>
<div class="news-date">Mon July 7 2003: </div>
<p class="news-text"><a href="@PACKAGE_URL@libdaemon-0.1.tar.gz">Version 0.1</a> released</p>
<h2><a name="overview">Overview</a></h2>
<p><tt>libdaemon</tt> is a lightweight C library that eases the writing of UNIX
daemons. It consists of the following parts:</p>
<ul>
<li>A wrapper around <tt>fork()</tt> which does the correct
daemonization procedure of a process</li>
<li>A wrapper around <tt>syslog()</tt> for simpler and compatible
log output to Syslog or STDERR</li>
<li>An API for writing PID files</li>
<li>An API for serializing UNIX signals into a pipe for
usage with <tt>select()</tt> or <tt>poll()</tt></li>
<li>An API for running subprocesses with STDOUT and STDERR redirected to syslog.</li>
</ul>
<p>APIs like these are used in most daemon software
available. It is not that simple to get it done right and code
duplication is not a goal.</p>
<p><tt>libdaemon</tt> is currently used by <a
href="http://0pointer.de/lennart/projects/ifplugd/"><tt>ifplugd</tt></a>,
<a
href="http://freedesktop.org/Software/Avahi">Avahi</a>,
<a
href="http://0pointer.de/lennart/projects/ivam2/"><tt>ivam2</tt></a>,
<a href="http://gentoo.ovibes.net/nautilus-share/mediawiki-1.4.4/index.php/Accueil">Nautilus-Share</a>
and <a
href="http://0pointer.de/lennart/projects/aeswepd/"><tt>aeswepd</tt></a>.</p>
<h2><a name="status">Current Status</a></h2>
<p>Version @PACKAGE_VERSION@ is feature complete.</p>
<h2><a name="documentation">Documentation</a></h2>
<p>An extensive API reference is <a
href="reference/html/index.html">available</a></p>
<h2><a name="requirements">Requirements</a></h2>
<p><tt>libdaemon</tt> was developed and tested on Debian GNU/Linux
"testing" from July 2003, it should work on most other Linux
distributions (and some Unix versions) since it uses GNU Autoconf and
GNU libtool for source code configuration and shared library
management.</p>
<p><tt>libdaemon</tt> is known to work on modern Linux systems, FreeBSD, NetBSD, OpenBSD, Darwin, Solaris and Windows/Cygwin.</p>
<h2><a name="installation">Installation</a></h2>
<p>As this package is made with the GNU autotools you should run
<tt>./configure</tt> inside the distribution directory for configuring
the source tree. After that you should run <tt>make</tt> for
compilation and <tt>make install</tt> (as root) for installation of
<tt>libdaemon</tt>.</p>
<p>Please use <tt>gmake</tt> instead of traditional <tt>make</tt> for compilation on non-Linux systems.</p>
<h2><a name="acks">Acknowledgements</a></h2>
<p>Sebastien Estienne, for a lot of portability work.</p>
<h2><a name="download">Download</a></h2>
<p>The newest release is always available from <a href="@PACKAGE_URL@">@PACKAGE_URL@</a></p>
<p>Get <tt>libdaemon</tt>'s development sources from the <a href="http://git.or.cz/">GIT</a> <a href="git://git.0pointer.de/libdaemon">repository</a> (<a href="http://git.0pointer.de/?p=libdaemon.git">gitweb</a>): </p>
<pre>git clone git://git.0pointer.de/libdaemon</pre>
<p>You may find an up to date Debian package of <tt>libdaemon</tt> on the <a href="http://packages.debian.org/libdaemon0">Debian package repository</a>.</p>
<p>If you want to be notified whenever I release a new version of this software use the subscription feature of <a href="http://freshmeat.net/projects/libdaemon/">Freshmeat</a>.</p>
<hr/>
<address class="grey">Lennart Poettering &lt;@PACKAGE_BUGREPORT@&gt;, October 2009</address>
</body>
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/***
This file is part of libdaemon.
Copyright 2003-2008 Lennart Poettering
libdaemon is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 2.1 of the
License, or (at your option) any later version.
libdaemon is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with libdaemon. If not, see
<http://www.gnu.org/licenses/>.
***/
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# Copyright 2003-2008 Lennart Poettering
#
# libdaemon is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation, either version 2.1 of the
# License, or (at your option) any later version.
#
# libdaemon is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with libdaemon. If not, see
# <http://www.gnu.org/licenses/>.
noinst_PROGRAMS = testd
AM_CPPFLAGS=-I$(top_srcdir)
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# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
.NOEXPORT:

189
examples/testd.c Normal file
View File

@ -0,0 +1,189 @@
/***
This file is part of libdaemon.
Copyright 2003-2008 Lennart Poettering
libdaemon is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 2.1 of the
License, or (at your option) any later version.
libdaemon is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with libdaemon. If not, see
<http://www.gnu.org/licenses/>.
***/
#include <signal.h>
#include <errno.h>
#include <string.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/unistd.h>
#include <sys/select.h>
#include <libdaemon/dfork.h>
#include <libdaemon/dsignal.h>
#include <libdaemon/dlog.h>
#include <libdaemon/dpid.h>
#include <libdaemon/dexec.h>
int main(int argc, char *argv[]) {
pid_t pid;
/* Reset signal handlers */
if (daemon_reset_sigs(-1) < 0) {
daemon_log(LOG_ERR, "Failed to reset all signal handlers: %s", strerror(errno));
return 1;
}
/* Unblock signals */
if (daemon_unblock_sigs(-1) < 0) {
daemon_log(LOG_ERR, "Failed to unblock all signals: %s", strerror(errno));
return 1;
}
/* Set indetification string for the daemon for both syslog and PID file */
daemon_pid_file_ident = daemon_log_ident = daemon_ident_from_argv0(argv[0]);
/* Check if we are called with -k parameter */
if (argc >= 2 && !strcmp(argv[1], "-k")) {
int ret;
/* Kill daemon with SIGTERM */
/* Check if the new function daemon_pid_file_kill_wait() is available, if it is, use it. */
if ((ret = daemon_pid_file_kill_wait(SIGTERM, 5)) < 0)
daemon_log(LOG_WARNING, "Failed to kill daemon: %s", strerror(errno));
return ret < 0 ? 1 : 0;
}
/* Check that the daemon is not rung twice a the same time */
if ((pid = daemon_pid_file_is_running()) >= 0) {
daemon_log(LOG_ERR, "Daemon already running on PID file %u", pid);
return 1;
}
/* Prepare for return value passing from the initialization procedure of the daemon process */
if (daemon_retval_init() < 0) {
daemon_log(LOG_ERR, "Failed to create pipe.");
return 1;
}
/* Do the fork */
if ((pid = daemon_fork()) < 0) {
/* Exit on error */
daemon_retval_done();
return 1;
} else if (pid) { /* The parent */
int ret;
/* Wait for 20 seconds for the return value passed from the daemon process */
if ((ret = daemon_retval_wait(20)) < 0) {
daemon_log(LOG_ERR, "Could not recieve return value from daemon process: %s", strerror(errno));
return 255;
}
daemon_log(ret != 0 ? LOG_ERR : LOG_INFO, "Daemon returned %i as return value.", ret);
return ret;
} else { /* The daemon */
int fd, quit = 0;
fd_set fds;
/* Close FDs */
if (daemon_close_all(-1) < 0) {
daemon_log(LOG_ERR, "Failed to close all file descriptors: %s", strerror(errno));
/* Send the error condition to the parent process */
daemon_retval_send(1);
goto finish;
}
/* Create the PID file */
if (daemon_pid_file_create() < 0) {
daemon_log(LOG_ERR, "Could not create PID file (%s).", strerror(errno));
daemon_retval_send(2);
goto finish;
}
/* Initialize signal handling */
if (daemon_signal_init(SIGINT, SIGTERM, SIGQUIT, SIGHUP, 0) < 0) {
daemon_log(LOG_ERR, "Could not register signal handlers (%s).", strerror(errno));
daemon_retval_send(3);
goto finish;
}
/*... do some further init work here */
/* Send OK to parent process */
daemon_retval_send(0);
daemon_log(LOG_INFO, "Sucessfully started");
/* Prepare for select() on the signal fd */
FD_ZERO(&fds);
fd = daemon_signal_fd();
FD_SET(fd, &fds);
while (!quit) {
fd_set fds2 = fds;
/* Wait for an incoming signal */
if (select(FD_SETSIZE, &fds2, 0, 0, 0) < 0) {
/* If we've been interrupted by an incoming signal, continue */
if (errno == EINTR)
continue;
daemon_log(LOG_ERR, "select(): %s", strerror(errno));
break;
}
/* Check if a signal has been recieved */
if (FD_ISSET(fd, &fds2)) {
int sig;
/* Get signal */
if ((sig = daemon_signal_next()) <= 0) {
daemon_log(LOG_ERR, "daemon_signal_next() failed: %s", strerror(errno));
break;
}
/* Dispatch signal */
switch (sig) {
case SIGINT:
case SIGQUIT:
case SIGTERM:
daemon_log(LOG_WARNING, "Got SIGINT, SIGQUIT or SIGTERM.");
quit = 1;
break;
case SIGHUP:
daemon_log(LOG_INFO, "Got a HUP");
daemon_exec("/", NULL, "/bin/ls", "ls", (char*) NULL);
break;
}
}
}
/* Do a cleanup */
finish:
daemon_log(LOG_INFO, "Exiting...");
daemon_retval_send(255);
daemon_signal_done();
daemon_pid_file_remove();
return 0;
}
}

519
install-sh Executable file
View File

@ -0,0 +1,519 @@
#!/bin/sh
# install - install a program, script, or datafile
scriptversion=2006-12-25.00
# This originates from X11R5 (mit/util/scripts/install.sh), which was
# later released in X11R6 (xc/config/util/install.sh) with the
# following copyright and license.
#
# Copyright (C) 1994 X Consortium
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
# Except as contained in this notice, the name of the X Consortium shall not
# be used in advertising or otherwise to promote the sale, use or other deal-
# ings in this Software without prior written authorization from the X Consor-
# tium.
#
#
# FSF changes to this file are in the public domain.
#
# Calling this script install-sh is preferred over install.sh, to prevent
# `make' implicit rules from creating a file called install from it
# when there is no Makefile.
#
# This script is compatible with the BSD install script, but was written
# from scratch.
nl='
'
IFS=" "" $nl"
# set DOITPROG to echo to test this script
# Don't use :- since 4.3BSD and earlier shells don't like it.
doit=${DOITPROG-}
if test -z "$doit"; then
doit_exec=exec
else
doit_exec=$doit
fi
# Put in absolute file names if you don't have them in your path;
# or use environment vars.
chgrpprog=${CHGRPPROG-chgrp}
chmodprog=${CHMODPROG-chmod}
chownprog=${CHOWNPROG-chown}
cmpprog=${CMPPROG-cmp}
cpprog=${CPPROG-cp}
mkdirprog=${MKDIRPROG-mkdir}
mvprog=${MVPROG-mv}
rmprog=${RMPROG-rm}
stripprog=${STRIPPROG-strip}
posix_glob='?'
initialize_posix_glob='
test "$posix_glob" != "?" || {
if (set -f) 2>/dev/null; then
posix_glob=
else
posix_glob=:
fi
}
'
posix_mkdir=
# Desired mode of installed file.
mode=0755
chgrpcmd=
chmodcmd=$chmodprog
chowncmd=
mvcmd=$mvprog
rmcmd="$rmprog -f"
stripcmd=
src=
dst=
dir_arg=
dst_arg=
copy_on_change=false
no_target_directory=
usage="\
Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
or: $0 [OPTION]... SRCFILES... DIRECTORY
or: $0 [OPTION]... -t DIRECTORY SRCFILES...
or: $0 [OPTION]... -d DIRECTORIES...
In the 1st form, copy SRCFILE to DSTFILE.
In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
In the 4th, create DIRECTORIES.
Options:
--help display this help and exit.
--version display version info and exit.
-c (ignored)
-C install only if different (preserve the last data modification time)
-d create directories instead of installing files.
-g GROUP $chgrpprog installed files to GROUP.
-m MODE $chmodprog installed files to MODE.
-o USER $chownprog installed files to USER.
-s $stripprog installed files.
-t DIRECTORY install into DIRECTORY.
-T report an error if DSTFILE is a directory.
Environment variables override the default commands:
CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
RMPROG STRIPPROG
"
while test $# -ne 0; do
case $1 in
-c) ;;
-C) copy_on_change=true;;
-d) dir_arg=true;;
-g) chgrpcmd="$chgrpprog $2"
shift;;
--help) echo "$usage"; exit $?;;
-m) mode=$2
case $mode in
*' '* | *' '* | *'
'* | *'*'* | *'?'* | *'['*)
echo "$0: invalid mode: $mode" >&2
exit 1;;
esac
shift;;
-o) chowncmd="$chownprog $2"
shift;;
-s) stripcmd=$stripprog;;
-t) dst_arg=$2
shift;;
-T) no_target_directory=true;;
--version) echo "$0 $scriptversion"; exit $?;;
--) shift
break;;
-*) echo "$0: invalid option: $1" >&2
exit 1;;
*) break;;
esac
shift
done
if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
# When -d is used, all remaining arguments are directories to create.
# When -t is used, the destination is already specified.
# Otherwise, the last argument is the destination. Remove it from $@.
for arg
do
if test -n "$dst_arg"; then
# $@ is not empty: it contains at least $arg.
set fnord "$@" "$dst_arg"
shift # fnord
fi
shift # arg
dst_arg=$arg
done
fi
if test $# -eq 0; then
if test -z "$dir_arg"; then
echo "$0: no input file specified." >&2
exit 1
fi
# It's OK to call `install-sh -d' without argument.
# This can happen when creating conditional directories.
exit 0
fi
if test -z "$dir_arg"; then
trap '(exit $?); exit' 1 2 13 15
# Set umask so as not to create temps with too-generous modes.
# However, 'strip' requires both read and write access to temps.
case $mode in
# Optimize common cases.
*644) cp_umask=133;;
*755) cp_umask=22;;
*[0-7])
if test -z "$stripcmd"; then
u_plus_rw=
else
u_plus_rw='% 200'
fi
cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
*)
if test -z "$stripcmd"; then
u_plus_rw=
else
u_plus_rw=,u+rw
fi
cp_umask=$mode$u_plus_rw;;
esac
fi
for src
do
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case $src in
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esac
if test -n "$dir_arg"; then
dst=$src
dstdir=$dst
test -d "$dstdir"
dstdir_status=$?
else
# Waiting for this to be detected by the "$cpprog $src $dsttmp" command
# might cause directories to be created, which would be especially bad
# if $src (and thus $dsttmp) contains '*'.
if test ! -f "$src" && test ! -d "$src"; then
echo "$0: $src does not exist." >&2
exit 1
fi
if test -z "$dst_arg"; then
echo "$0: no destination specified." >&2
exit 1
fi
dst=$dst_arg
# Protect names starting with `-'.
case $dst in
-*) dst=./$dst;;
esac
# If destination is a directory, append the input filename; won't work
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exit 1
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dst=$dstdir/`basename "$src"`
dstdir_status=0
else
# Prefer dirname, but fall back on a substitute if dirname fails.
dstdir=`
(dirname "$dst") 2>/dev/null ||
expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
X"$dst" : 'X\(//\)[^/]' \| \
X"$dst" : 'X\(//\)$' \| \
X"$dst" : 'X\(/\)' \| . 2>/dev/null ||
echo X"$dst" |
sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
s//\1/
q
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/^X\(\/\/\)[^/].*/{
s//\1/
q
}
/^X\(\/\/\)$/{
s//\1/
q
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/^X\(\/\).*/{
s//\1/
q
}
s/.*/./; q'
`
test -d "$dstdir"
dstdir_status=$?
fi
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obsolete_mkdir_used=false
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case $posix_mkdir in
'')
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umask=`umask`
case $stripcmd.$umask in
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mkdir_umask=`expr $umask + 22 \
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- $umask % 10 % 4 + $umask % 2
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# POSIX mkdir -p sets u+wx bits regardless of umask, which
# is incompatible with FreeBSD 'install' when (umask & 300) != 0.
;;
*)
tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
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exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
then
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$mkdirprog -m$different_mode -p -- "$tmpdir" && {
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fi
rmdir "$tmpdir/d" "$tmpdir"
else
# Remove any dirs left behind by ancient mkdir implementations.
rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
fi
trap '' 0;;
esac;;
esac
if
$posix_mkdir && (
umask $mkdir_umask &&
$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
)
then :
else
# The umask is ridiculous, or mkdir does not conform to POSIX,
# or it failed possibly due to a race condition. Create the
# directory the slow way, step by step, checking for races as we go.
case $dstdir in
/*) prefix='/';;
-*) prefix='./';;
*) prefix='';;
esac
eval "$initialize_posix_glob"
oIFS=$IFS
IFS=/
$posix_glob set -f
set fnord $dstdir
shift
$posix_glob set +f
IFS=$oIFS
prefixes=
for d
do
test -z "$d" && continue
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prefixes=
else
if $posix_mkdir; then
(umask=$mkdir_umask &&
$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
# Don't fail if two instances are running concurrently.
test -d "$prefix" || exit 1
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*) qprefix=$prefix;;
esac
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fi
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(umask $mkdir_umask &&
eval "\$doit_exec \$mkdirprog $prefixes") ||
test -d "$dstdir" || exit 1
obsolete_mkdir_used=true
fi
fi
fi
if test -n "$dir_arg"; then
{ test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
{ test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
{ test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
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dsttmp=$dstdir/_inst.$$_
rmtmp=$dstdir/_rm.$$_
# Trap to clean up those temp files at exit.
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# Copy the file name to the temp name.
(umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
# and set any options; do chmod last to preserve setuid bits.
#
# If any of these fail, we abort the whole thing. If we want to
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#
{ test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
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{ test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
{ test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
# If -C, don't bother to copy if it wouldn't change the file.
if $copy_on_change &&
old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` &&
new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` &&
eval "$initialize_posix_glob" &&
$posix_glob set -f &&
set X $old && old=:$2:$4:$5:$6 &&
set X $new && new=:$2:$4:$5:$6 &&
$posix_glob set +f &&
test "$old" = "$new" &&
$cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
then
rm -f "$dsttmp"
else
# Rename the file to the real destination.
$doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
# The rename failed, perhaps because mv can't rename something else
# to itself, or perhaps because mv is so ancient that it does not
# support -f.
{
# Now remove or move aside any old file at destination location.
# We try this two ways since rm can't unlink itself on some
# systems and the destination file might be busy for other
# reasons. In this case, the final cleanup might fail but the new
# file should still install successfully.
{
test ! -f "$dst" ||
$doit $rmcmd -f "$dst" 2>/dev/null ||
{ $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
{ $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
} ||
{ echo "$0: cannot unlink or rename $dst" >&2
(exit 1); exit 1
}
} &&
# Now rename the file to the real destination.
$doit $mvcmd "$dsttmp" "$dst"
}
fi || exit 1
trap '' 0
fi
done
# Local variables:
# eval: (add-hook 'write-file-hooks 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-end: "$"
# End:

42
libdaemon/Makefile.am Normal file
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@ -0,0 +1,42 @@
# This file is part of libdaemon.
#
# Copyright 2003-2008 Lennart Poettering
#
# libdaemon is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation, either version 2.1 of the
# License, or (at your option) any later version.
#
# libdaemon is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with libdaemon. If not, see
# <http://www.gnu.org/licenses/>.
AM_CPPFLAGS='-DLOCALSTATEDIR="$(localstatedir)"'
pkginclude_HEADERS = \
dlog.h \
dfork.h \
dsignal.h \
dnonblock.h \
dpid.h \
dexec.h \
daemon.h
lib_LTLIBRARIES = libdaemon.la
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dlog.c \
dfork.c \
dsignal.c \
dnonblock.c \
dpid.c \
dexec.c \
daemon.h \
$(pkg_include_HEADERS)
libdaemon_la_LDFLAGS = -version-info $(LIBDAEMON_VERSION_INFO) $(LDFLAGS_NOUNDEFINED)

609
libdaemon/Makefile.in Normal file
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@ -0,0 +1,609 @@
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# published by the Free Software Foundation, either version 2.1 of the
# License, or (at your option) any later version.
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# libdaemon is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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dfork.c \
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.NOEXPORT:

36
libdaemon/daemon.h Normal file
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@ -0,0 +1,36 @@
#ifndef foodaemonhfoo
#define foodaemonhfoo
/***
This file is part of libdaemon.
Copyright 2003-2008 Lennart Poettering
libdaemon is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 2.1 of the
License, or (at your option) any later version.
libdaemon is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with libdaemon. If not, see
<http://www.gnu.org/licenses/>.
***/
/** \file
*
* A header file including all other header files part of libdaemon
*/
#include <libdaemon/dfork.h>
#include <libdaemon/dlog.h>
#include <libdaemon/dpid.h>
#include <libdaemon/dsignal.h>
#include <libdaemon/dexec.h>
#include <libdaemon/dnonblock.h>
#endif

227
libdaemon/dexec.c Normal file
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@ -0,0 +1,227 @@
/***
This file is part of libdaemon.
Copyright 2003-2008 Lennart Poettering
libdaemon is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 2.1 of the
License, or (at your option) any later version.
libdaemon is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with libdaemon. If not, see
<http://www.gnu.org/licenses/>.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <sys/types.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <sys/stat.h>
#include <stdlib.h>
#include <signal.h>
#include <sys/wait.h>
#include <limits.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdarg.h>
#include <assert.h>
#include "dlog.h"
#include "dsignal.h"
#include "dfork.h"
#include "dexec.h"
#define MAX_ARGS 64
int daemon_execv(const char *dir, int *ret, const char *prog, va_list ap) {
pid_t pid;
int p[2];
unsigned n = 0;
static char buf[256];
int sigfd, r;
fd_set fds;
int saved_errno;
assert(daemon_signal_fd() >= 0);
if (pipe(p) < 0) {
daemon_log(LOG_ERR, "pipe() failed: %s", strerror(errno));
return -1;
}
if ((pid = fork()) < 0) {
daemon_log(LOG_ERR, "fork() failed: %s", strerror(errno));
saved_errno = errno;
close(p[0]);
close(p[1]);
errno = saved_errno;
return -1;
} else if (pid == 0) {
char *args[MAX_ARGS];
int i;
if (p[1] != 1)
if (dup2(p[1], 1) < 0) {
daemon_log(LOG_ERR, "dup2: %s", strerror(errno));
goto fail;
}
if (p[1] != 2)
if (dup2(p[1], 2) < 0) {
daemon_log(LOG_ERR, "dup2: %s", strerror(errno));
goto fail;
}
if (p[0] > 2)
close(p[0]);
if (p[1] > 2)
close(p[1]);
close(0);
if (open("/dev/null", O_RDONLY) != 0) {
daemon_log(LOG_ERR, "Unable to open /dev/null as STDIN");
goto fail;
}
daemon_close_all(-1);
daemon_reset_sigs(-1);
daemon_unblock_sigs(-1);
umask(0022); /* Set up a sane umask */
if (dir && chdir(dir) < 0) {
daemon_log(LOG_WARNING, "Failed to change to directory '%s'", dir);
chdir("/");
}
for (i = 0; i < MAX_ARGS-1; i++)
if (!(args[i] = va_arg(ap, char*)))
break;
args[i] = NULL;
execv(prog, args);
daemon_log(LOG_ERR, "execv(%s) failed: %s", prog, strerror(errno));
fail:
_exit(EXIT_FAILURE);
}
close(p[1]);
FD_ZERO(&fds);
FD_SET(p[0], &fds);
sigfd = daemon_signal_fd();
FD_SET(sigfd, &fds);
n = 0;
for (;;) {
fd_set qfds = fds;
if (select(FD_SETSIZE, &qfds, NULL, NULL, NULL) < 0) {
if (errno == EINTR)
continue;
daemon_log(LOG_ERR, "select() failed: %s", strerror(errno));
saved_errno = errno;
close(p[0]);
errno = saved_errno;
return -1;
}
if (FD_ISSET(p[0], &qfds)) {
char c;
if (read(p[0], &c, 1) != 1)
break;
buf[n] = c;
if (c == '\n' || n >= sizeof(buf) - 2) {
if (c != '\n') n++;
buf[n] = 0;
if (buf[0])
daemon_log(LOG_INFO, "client: %s", buf);
n = 0;
} else
n++;
}
if (FD_ISSET(sigfd, &qfds)) {
int sig;
if ((sig = daemon_signal_next()) < 0) {
saved_errno = errno;
close(p[0]);
errno = saved_errno;
return -1;
}
if (sig != SIGCHLD) {
daemon_log(LOG_WARNING, "Killing child.");
kill(pid, SIGTERM);
}
}
}
if (n > 0) {
buf[n] = 0;
daemon_log(LOG_WARNING, "client: %s", buf);
}
close(p[0]);
for (;;) {
if (waitpid(pid, &r, 0) < 0) {
if (errno == EINTR)
continue;
daemon_log(LOG_ERR, "waitpid(): %s", strerror(errno));
return -1;
} else {
if (!WIFEXITED(r)) {
errno = ECANCELED;
return -1;
}
if (ret)
*ret = WEXITSTATUS(r);
return 0;
}
}
}
int daemon_exec(const char *dir, int *ret, const char *prog, ...) {
va_list ap;
int r;
va_start(ap, prog);
r = daemon_execv(dir, ret, prog, ap);
va_end(ap);
return r;
}

79
libdaemon/dexec.h Normal file
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@ -0,0 +1,79 @@
#ifndef foodexechfoo
#define foodexechfoo
/***
This file is part of libdaemon.
Copyright 2003-2008 Lennart Poettering
libdaemon is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 2.1 of the
License, or (at your option) any later version.
libdaemon is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with libdaemon. If not, see
<http://www.gnu.org/licenses/>.
***/
#include <stdarg.h>
#ifdef __cplusplus
extern "C" {
#endif
/** \file
*
* Contains a robust API for running sub processes with STDOUT and
* STDERR redirected to syslog
*/
/** This variable is defined to 1 iff daemon_exec() is supported.
* @since 0.4
* @see daemon_exec() */
#define DAEMON_EXEC_AVAILABLE 1
#if defined(__GNUC__) && ! defined(DAEMON_GCC_SENTINEL)
#define DAEMON_GCC_SENTINEL __attribute__ ((sentinel))
#else
/** A macro for making use of GCCs printf compilation warnings */
#define DAEMON_GCC_SENTINEL
#endif
/** Run the specified executable with the specified arguments in the
* specified directory and return the return value of the program in
* the specified pointer. The calling process is blocked until the
* child finishes and all child output (either STDOUT or STDIN) has
* been written to syslog. Running this function requires that
* daemon_signal() has been called with SIGCHLD as argument.
*
* @param dir Working directory for the process.
* @param ret A pointer to an integer to write the return value of the program to.
* @param prog The path to the executable
* @param ... The arguments to be passed to the program, followed by a (char *) NULL
* @return Nonzero on failure, zero on success
* @since 0.4
* @see DAEMON_EXEC_AVAILABLE
*/
int daemon_exec(const char *dir, int *ret, const char *prog, ...) DAEMON_GCC_SENTINEL;
/** This variable is defined to 1 iff daemon_execv() is supported.
* @since 0.11
* @see daemon_execv() */
#define DAEMON_EXECV_AVAILABLE 1
/** The same as daemon_exec, but without variadic arguments
* @since 0.11
* @see DAEMON_EXECV_AVAILABLE */
int daemon_execv(const char *dir, int *ret, const char *prog, va_list ap);
#ifdef __cplusplus
}
#endif
#endif

725
libdaemon/dfork.c Normal file
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@ -0,0 +1,725 @@
/***
This file is part of libdaemon.
Copyright 2003-2008 Lennart Poettering
libdaemon is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 2.1 of the
License, or (at your option) any later version.
libdaemon is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with libdaemon. If not, see
<http://www.gnu.org/licenses/>.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <sys/types.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/wait.h>
#include <assert.h>
#include <sys/ioctl.h>
#include <signal.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <dirent.h>
#include "dfork.h"
#include "dnonblock.h"
#include "dlog.h"
#if defined(_NSIG) /* On glibc NSIG does not count RT signals */
# define SIGNAL_UPPER_BOUND _NSIG
#elif defined(NSIG) /* Solaris defines just this */
# define SIGNAL_UPPER_BOUND NSIG
#else
# error "Unknown upper bound for signals"
#endif
static int _daemon_retval_pipe[2] = { -1, -1 };
static int _null_open(int f, int fd) {
int fd2;
if ((fd2 = open("/dev/null", f)) < 0)
return -1;
if (fd2 == fd)
return fd;
if (dup2(fd2, fd) < 0)
return -1;
close(fd2);
return fd;
}
static ssize_t atomic_read(int fd, void *d, size_t l) {
ssize_t t = 0;
while (l > 0) {
ssize_t r;
if ((r = read(fd, d, l)) <= 0) {
if (r < 0)
return t > 0 ? t : -1;
else
return t;
}
t += r;
d = (char*) d + r;
l -= r;
}
return t;
}
static ssize_t atomic_write(int fd, const void *d, size_t l) {
ssize_t t = 0;
while (l > 0) {
ssize_t r;
if ((r = write(fd, d, l)) <= 0) {
if (r < 0)
return t > 0 ? t : -1;
else
return t;
}
t += r;
d = (const char*) d + r;
l -= r;
}
return t;
}
static int move_fd_up(int *fd) {
assert(fd);
while (*fd <= 2) {
if ((*fd = dup(*fd)) < 0) {
daemon_log(LOG_ERR, "dup(): %s", strerror(errno));
return -1;
}
}
return 0;
}
static void sigchld(int s) {
}
pid_t daemon_fork(void) {
pid_t pid;
int pipe_fds[2] = {-1, -1};
struct sigaction sa_old, sa_new;
sigset_t ss_old, ss_new;
int saved_errno;
memset(&sa_new, 0, sizeof(sa_new));
sa_new.sa_handler = sigchld;
sa_new.sa_flags = SA_RESTART;
if (sigemptyset(&ss_new) < 0) {
daemon_log(LOG_ERR, "sigemptyset() failed: %s", strerror(errno));
return (pid_t) -1;
}
if (sigaddset(&ss_new, SIGCHLD) < 0) {
daemon_log(LOG_ERR, "sigaddset() failed: %s", strerror(errno));
return (pid_t) -1;
}
if (sigaction(SIGCHLD, &sa_new, &sa_old) < 0) {
daemon_log(LOG_ERR, "sigaction() failed: %s", strerror(errno));
return (pid_t) -1;
}
if (sigprocmask(SIG_UNBLOCK, &ss_new, &ss_old) < 0) {
daemon_log(LOG_ERR, "sigprocmask() failed: %s", strerror(errno));
saved_errno = errno;
sigaction(SIGCHLD, &sa_old, NULL);
errno = saved_errno;
return (pid_t) -1;
}
if (pipe(pipe_fds) < 0) {
daemon_log(LOG_ERR, "pipe() failed: %s", strerror(errno));
saved_errno = errno;
sigaction(SIGCHLD, &sa_old, NULL);
sigprocmask(SIG_SETMASK, &ss_old, NULL);
errno = saved_errno;
return (pid_t) -1;
}
if ((pid = fork()) < 0) { /* First fork */
daemon_log(LOG_ERR, "First fork() failed: %s", strerror(errno));
saved_errno = errno;
close(pipe_fds[0]);
close(pipe_fds[1]);
sigaction(SIGCHLD, &sa_old, NULL);
sigprocmask(SIG_SETMASK, &ss_old, NULL);
errno = saved_errno;
return (pid_t) -1;
} else if (pid == 0) {
pid_t dpid;
/* First child. Now we are sure not to be a session leader or
* process group leader anymore, i.e. we know that setsid()
* will succeed. */
if (daemon_log_use & DAEMON_LOG_AUTO)
daemon_log_use = DAEMON_LOG_SYSLOG;
if (close(pipe_fds[0]) < 0) {
daemon_log(LOG_ERR, "close() failed: %s", strerror(errno));
goto fail;
}
/* Move file descriptors up*/
if (move_fd_up(&pipe_fds[1]) < 0)
goto fail;
if (_daemon_retval_pipe[0] >= 0 && move_fd_up(&_daemon_retval_pipe[0]) < 0)
goto fail;
if (_daemon_retval_pipe[1] >= 0 && move_fd_up(&_daemon_retval_pipe[1]) < 0)
goto fail;
if (_null_open(O_RDONLY, 0) < 0) {
daemon_log(LOG_ERR, "Failed to open /dev/null for STDIN: %s", strerror(errno));
goto fail;
}
if (_null_open(O_WRONLY, 1) < 0) {
daemon_log(LOG_ERR, "Failed to open /dev/null for STDOUT: %s", strerror(errno));
goto fail;
}
if (_null_open(O_WRONLY, 2) < 0) {
daemon_log(LOG_ERR, "Failed to open /dev/null for STDERR: %s", strerror(errno));
goto fail;
}
/* Create a new session. This will create a new session and a
* new process group for us and we will be the ledaer of
* both. This should always succeed because we cannot be the
* process group leader because we just forked. */
if (setsid() < 0) {
daemon_log(LOG_ERR, "setsid() failed: %s", strerror(errno));
goto fail;
}
umask(0077);
if (chdir("/") < 0) {
daemon_log(LOG_ERR, "chdir() failed: %s", strerror(errno));
goto fail;
}
if ((pid = fork()) < 0) { /* Second fork */
daemon_log(LOG_ERR, "Second fork() failed: %s", strerror(errno));
goto fail;
} else if (pid == 0) {
/* Second child. Our father will exit right-away. That way
* we can be sure that we are a child of init now, even if
* the process which spawned us stays around for a longer
* time. Also, since we are no session leader anymore we
* can be sure that we will never acquire a controlling
* TTY. */
if (sigaction(SIGCHLD, &sa_old, NULL) < 0) {
daemon_log(LOG_ERR, "close() failed: %s", strerror(errno));
goto fail;
}
if (sigprocmask(SIG_SETMASK, &ss_old, NULL) < 0) {
daemon_log(LOG_ERR, "sigprocmask() failed: %s", strerror(errno));
goto fail;
}
if (signal(SIGTTOU, SIG_IGN) == SIG_ERR) {
daemon_log(LOG_ERR, "signal(SIGTTOU, SIG_IGN) failed: %s", strerror(errno));
goto fail;
}
if (signal(SIGTTIN, SIG_IGN) == SIG_ERR) {
daemon_log(LOG_ERR, "signal(SIGTTIN, SIG_IGN) failed: %s", strerror(errno));
goto fail;
}
if (signal(SIGTSTP, SIG_IGN) == SIG_ERR) {
daemon_log(LOG_ERR, "signal(SIGTSTP, SIG_IGN) failed: %s", strerror(errno));
goto fail;
}
dpid = getpid();
if (atomic_write(pipe_fds[1], &dpid, sizeof(dpid)) != sizeof(dpid)) {
daemon_log(LOG_ERR, "write() failed: %s", strerror(errno));
goto fail;
}
if (close(pipe_fds[1]) < 0) {
daemon_log(LOG_ERR, "close() failed: %s", strerror(errno));
goto fail;
}
return 0;
} else {
/* Second father */
close(pipe_fds[1]);
_exit(0);
}
fail:
dpid = (pid_t) -1;
if (atomic_write(pipe_fds[1], &dpid, sizeof(dpid)) != sizeof(dpid))
daemon_log(LOG_ERR, "Failed to write error PID: %s", strerror(errno));
close(pipe_fds[1]);
_exit(0);
} else {
/* First father */
pid_t dpid;
close(pipe_fds[1]);
if (waitpid(pid, NULL, WUNTRACED) < 0) {
saved_errno = errno;
close(pipe_fds[0]);
sigaction(SIGCHLD, &sa_old, NULL);
sigprocmask(SIG_SETMASK, &ss_old, NULL);
errno = saved_errno;
return -1;
}
sigprocmask(SIG_SETMASK, &ss_old, NULL);
sigaction(SIGCHLD, &sa_old, NULL);
if (atomic_read(pipe_fds[0], &dpid, sizeof(dpid)) != sizeof(dpid)) {
daemon_log(LOG_ERR, "Failed to read daemon PID.");
dpid = (pid_t) -1;
errno = EINVAL;
} else if (dpid == (pid_t) -1)
errno = EIO;
saved_errno = errno;
close(pipe_fds[0]);
errno = saved_errno;
return dpid;
}
}
int daemon_retval_init(void) {
if (_daemon_retval_pipe[0] < 0 || _daemon_retval_pipe[1] < 0) {
if (pipe(_daemon_retval_pipe) < 0) {
daemon_log(LOG_ERR, "pipe(): %s", strerror(errno));
return -1;
}
}
return 0;
}
void daemon_retval_done(void) {
int saved_errno = errno;
if (_daemon_retval_pipe[0] >= 0)
close(_daemon_retval_pipe[0]);
if (_daemon_retval_pipe[1] >= 0)
close(_daemon_retval_pipe[1]);
_daemon_retval_pipe[0] = _daemon_retval_pipe[1] = -1;
errno = saved_errno;
}
int daemon_retval_send(int i) {
ssize_t r;
if (_daemon_retval_pipe[1] < 0) {
errno = EINVAL;
return -1;
}
r = atomic_write(_daemon_retval_pipe[1], &i, sizeof(i));
daemon_retval_done();
if (r != sizeof(i)) {
if (r < 0)
daemon_log(LOG_ERR, "write() failed while writing return value to pipe: %s", strerror(errno));
else {
daemon_log(LOG_ERR, "write() too short while writing return value from pipe");
errno = EINVAL;
}
return -1;
}
return 0;
}
int daemon_retval_wait(int timeout) {
ssize_t r;
int i;
if (timeout > 0) {
struct timeval tv;
int s;
fd_set fds;
tv.tv_sec = timeout;
tv.tv_usec = 0;
FD_ZERO(&fds);
FD_SET(_daemon_retval_pipe[0], &fds);
if ((s = select(FD_SETSIZE, &fds, 0, 0, &tv)) != 1) {
if (s < 0)
daemon_log(LOG_ERR, "select() failed while waiting for return value: %s", strerror(errno));
else {
errno = ETIMEDOUT;
daemon_log(LOG_ERR, "Timeout reached while wating for return value");
}
return -1;
}
}
if ((r = atomic_read(_daemon_retval_pipe[0], &i, sizeof(i))) != sizeof(i)) {
if (r < 0)
daemon_log(LOG_ERR, "read() failed while reading return value from pipe: %s", strerror(errno));
else if (r == 0) {
daemon_log(LOG_ERR, "read() failed with EOF while reading return value from pipe.");
errno = EINVAL;
} else if (r > 0) {
daemon_log(LOG_ERR, "read() too short while reading return value from pipe.");
errno = EINVAL;
}
return -1;
}
daemon_retval_done();
return i;
}
int daemon_close_all(int except_fd, ...) {
va_list ap;
int n = 0, i, r;
int *p;
int saved_errno;
va_start(ap, except_fd);
if (except_fd >= 0)
for (n = 1; va_arg(ap, int) >= 0; n++)
;
va_end(ap);
if (!(p = malloc(sizeof(int) * (n+1))))
return -1;
va_start(ap, except_fd);
i = 0;
if (except_fd >= 0) {
int fd;
p[i++] = except_fd;
while ((fd = va_arg(ap, int)) >= 0)
p[i++] = fd;
}
p[i] = -1;
va_end(ap);
r = daemon_close_allv(p);
saved_errno = errno;
free(p);
errno = saved_errno;
return r;
}
/** Same as daemon_close_all but takes an array of fds, terminated by -1 */
int daemon_close_allv(const int except_fds[]) {
struct rlimit rl;
int fd, maxfd;
#ifdef __linux__
int saved_errno;
DIR *d;
if ((d = opendir("/proc/self/fd"))) {
struct dirent *de;
while ((de = readdir(d))) {
int found;
long l;
char *e = NULL;
int i;
if (de->d_name[0] == '.')
continue;
errno = 0;
l = strtol(de->d_name, &e, 10);
if (errno != 0 || !e || *e) {
closedir(d);
errno = EINVAL;
return -1;
}
fd = (int) l;
if ((long) fd != l) {
closedir(d);
errno = EINVAL;
return -1;
}
if (fd < 3)
continue;
if (fd == dirfd(d))
continue;
if (fd == _daemon_retval_pipe[1])
continue;
found = 0;
for (i = 0; except_fds[i] >= 0; i++)
if (except_fds[i] == fd) {
found = 1;
break;
}
if (found)
continue;
if (close(fd) < 0) {
saved_errno = errno;
closedir(d);
errno = saved_errno;
return -1;
}
if (fd == _daemon_retval_pipe[0])
_daemon_retval_pipe[0] = -1; /* mark as closed */
}
closedir(d);
return 0;
}
#endif
if (getrlimit(RLIMIT_NOFILE, &rl) > 0)
maxfd = (int) rl.rlim_max;
else
maxfd = sysconf(_SC_OPEN_MAX);
for (fd = 3; fd < maxfd; fd++) {
int i, found;
if (fd == _daemon_retval_pipe[1])
continue;
found = 0;
for (i = 0; except_fds[i] >= 0; i++)
if (except_fds[i] == fd) {
found = 1;
break;
}
if (found)
continue;
if (close(fd) < 0 && errno != EBADF)
return -1;
if (fd == _daemon_retval_pipe[0])
_daemon_retval_pipe[0] = -1; /* mark as closed */
}
return 0;
}
int daemon_unblock_sigs(int except, ...) {
va_list ap;
int n = 0, i, r;
int *p;
int saved_errno;
va_start(ap, except);
if (except >= 1)
for (n = 1; va_arg(ap, int) >= 0; n++)
;
va_end(ap);
if (!(p = malloc(sizeof(int) * (n+1))))
return -1;
va_start(ap, except);
i = 0;
if (except >= 1) {
int sig;
p[i++] = except;
while ((sig = va_arg(ap, int)) >= 0)
p[i++] = sig;
}
p[i] = -1;
va_end(ap);
r = daemon_unblock_sigsv(p);
saved_errno = errno;
free(p);
errno = saved_errno;
return r;
}
int daemon_unblock_sigsv(const int except[]) {
int i;
sigset_t ss;
if (sigemptyset(&ss) < 0)
return -1;
for (i = 0; except[i] > 0; i++)
if (sigaddset(&ss, except[i]) < 0)
return -1;
return sigprocmask(SIG_SETMASK, &ss, NULL);
}
int daemon_reset_sigs(int except, ...) {
va_list ap;
int n = 0, i, r;
int *p;
int saved_errno;
va_start(ap, except);
if (except >= 1)
for (n = 1; va_arg(ap, int) >= 0; n++)
;
va_end(ap);
if (!(p = malloc(sizeof(int) * (n+1))))
return -1;
va_start(ap, except);
i = 0;
if (except >= 1) {
int sig;
p[i++] = except;
while ((sig = va_arg(ap, int)) >= 0)
p[i++] = sig;
}
p[i] = -1;
va_end(ap);
r = daemon_reset_sigsv(p);
saved_errno = errno;
free(p);
errno = saved_errno;
return r;
}
int daemon_reset_sigsv(const int except[]) {
int sig;
for (sig = 1; sig < SIGNAL_UPPER_BOUND; sig++) {
int reset = 1;
switch (sig) {
case SIGKILL:
case SIGSTOP:
reset = 0;
break;
default: {
int i;
for (i = 0; except[i] > 0; i++) {
if (sig == except[i]) {
reset = 0;
break;
}
}
}
}
if (reset) {
struct sigaction sa;
memset(&sa, 0, sizeof(sa));
sa.sa_handler = SIG_DFL;
/* On Linux the first two RT signals are reserved by
* glibc, and sigaction() will return EINVAL for them. */
if ((sigaction(sig, &sa, NULL) < 0))
if (errno != EINVAL)
return -1;
}
}
return 0;
}

160
libdaemon/dfork.h Normal file
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@ -0,0 +1,160 @@
#ifndef foodaemonforkhfoo
#define foodaemonforkhfoo
/***
This file is part of libdaemon.
Copyright 2003-2008 Lennart Poettering
libdaemon is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 2.1 of the
License, or (at your option) any later version.
libdaemon is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with libdaemon. If not, see
<http://www.gnu.org/licenses/>.
***/
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
/** \mainpage libdaemon
*
* libdaemon
*
* For a brief explanation of libdaemons's purpose, have a look on the
* README file. Thank you!
*
*/
/** \example testd.c
* This is an example for the usage of libdaemon
*/
/** \file
*
* Contains an API for doing a daemonizing fork().
*
* You may daemonize by calling daemon_fork(), a function similar to
* the plain fork(). If you want to return a return value of the
* initialization procedure of the child from the parent, you may use
* the daemon_retval_xxx() functions.
*/
/** Does a daemonizing fork(). For the new daemon process STDIN,
* STDOUT, STDERR are connected to /dev/null, the process is a session
* leader, the current directory is changed to /, the umask is set to
* 777.
* @return On success, the PID of the child process is returned in the
* parent's thread of execution, and a 0 is returned in the child's
* thread of execution. On failure, -1 will be returned in the
* parent's context, no child process will be created, and errno will
* be set appropriately.
*/
pid_t daemon_fork(void);
/** Allocate and initialize resources required by the
* daemon_retval_xxx() functions. These functions allow the child to
* send a value to the parent after completing its initialisation.
* Call this in the parent before forking.
* @return zero on success, nonzero on failure.
*/
int daemon_retval_init(void);
/** Frees the resources allocated by daemon_retval_init(). This should
* be called if neither daemon_retval_wait() nor daemon_retval_send()
* is called in the current process. The resources allocated by
* daemon_retval_init() should be freed in both parent and daemon
* process. This may be achieved by using daemon_retval_wait()
* resp. daemon_retval_send(), or by using daemon_retval_done().
*/
void daemon_retval_done(void);
/** Return the value sent by the child via the daemon_retval_send()
* function, but wait only the specified number of seconds before
* timing out and returning a negative number. Should be called just
* once from the parent process only. A subsequent call to
* daemon_retval_done() in the parent is ignored.
*
* @param timeout Thetimeout in seconds
* @return The integer passed daemon_retval_send() in the daemon process, or -1 on failure.
*/
int daemon_retval_wait(int timeout);
/** Send the specified integer to the parent process. Do not send -1
* because this signifies a library error. Should be called just once
* from the daemon process only. A subsequent call to
* daemon_retval_done() in the daemon is ignored. @param s The
* integer to pass to daemon_retval_wait() in the parent process
* @return Zero on success, nonzero on failure.
*/
int daemon_retval_send(int s);
/** This variable is defined to 1 iff daemon_close_all() and
* daemon_close_allv() are supported.
* @since 0.11
* @see daemon_close_all(), daemon_close_allv() */
#define DAEMON_CLOSE_ALL_AVAILABLE 1
/** Close all file descriptors except those passed. List needs to be
* terminated by -1. FDs 0, 1, 2 will be kept open anyway.
* @since 0.11
* @see DAEMON_CLOSE_ALL_AVAILABLE */
int daemon_close_all(int except_fd, ...);
/** Same as daemon_close_all but takes an array of fds, terminated by
* -1
* @since 0.11
* @see DAEMON_CLOSE_ALL_AVAILABLE */
int daemon_close_allv(const int except_fds[]);
/** This variable is defined to 1 iff daemon_unblock_sigs() and
* daemon_unblock_sigsv() are supported.
* @since 0.13
* @see daemon_unblock_sigs(), daemon_unblock_sigsv()*/
#define DAEMON_UNBLOCK_SIGS_AVAILABLE 1
/** Unblock all signals except those passed. List needs to be
* terminated by -1.
* @since 0.13
* @see DAEMON_UNBLOCK_SIGS_AVAILABLE */
int daemon_unblock_sigs(int except, ...);
/** Same as daemon_unblock_sigs() but takes an array of signals,
* terminated by -1
* @since 0.13
* @see DAEMON_UNBLOCK_SIGS_AVAILABLE */
int daemon_unblock_sigsv(const int except[]);
/** This variable is defined to 1 iff daemon_reset_sigs() and
* daemon_reset_sigsv() are supported.
* @since 0.13
* @see daemon_reset_sigs(), daemon_reset_sigsv() */
#define DAEMON_RESET_SIGS_AVAILABLE 1
/** Reset all signal handlers except those passed. List needs to be
* terminated by -1.
* @since 0.13
* @see DAEMON_RESET_SIGS_AVAILABLE */
int daemon_reset_sigs(int except, ...);
/** Same as daemon_reset_sigs() but takes an array of signals,
* terminated by -1
* @since 0.13
* @see DAEMON_RESET_SIGS_AVAILABLE */
int daemon_reset_sigsv(const int except[]);
#ifdef __cplusplus
}
#endif
#endif

88
libdaemon/dlog.c Normal file
View File

@ -0,0 +1,88 @@
/***
This file is part of libdaemon.
Copyright 2003-2008 Lennart Poettering
libdaemon is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 2.1 of the
License, or (at your option) any later version.
libdaemon is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with libdaemon. If not, see
<http://www.gnu.org/licenses/>.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include "dlog.h"
enum daemon_log_flags daemon_log_use = DAEMON_LOG_AUTO|DAEMON_LOG_STDERR;
const char* daemon_log_ident = NULL;
static int daemon_verbosity_level = LOG_INFO;
void daemon_set_verbosity(int verbosity_prio) {
/* Allow using negative verbosity levels to hide _all_ messages */
if (verbosity_prio > 0 && (verbosity_prio & LOG_PRIMASK) != LOG_PRIMASK)
daemon_log(LOG_ERR, "The value %d is not a valid priority value", verbosity_prio);
daemon_verbosity_level = verbosity_prio & LOG_PRIMASK;
}
void daemon_logv(int prio, const char* template, va_list arglist) {
int saved_errno;
saved_errno = errno;
if (daemon_log_use & DAEMON_LOG_SYSLOG) {
openlog(daemon_log_ident ? daemon_log_ident : "UNKNOWN", LOG_PID, LOG_DAEMON);
vsyslog(prio | LOG_DAEMON, template, arglist);
}
if (prio > daemon_verbosity_level)
goto end_daemon_logv;
if (daemon_log_use & DAEMON_LOG_STDERR) {
vfprintf(stderr, template, arglist);
fprintf(stderr, "\n");
}
if (daemon_log_use & DAEMON_LOG_STDOUT) {
vfprintf(stdout, template, arglist);
fprintf(stdout, "\n");
}
end_daemon_logv:
errno = saved_errno;
}
void daemon_log(int prio, const char* template, ...) {
va_list arglist;
va_start(arglist, template);
daemon_logv(prio, template, arglist);
va_end(arglist);
}
char *daemon_ident_from_argv0(char *argv0) {
char *p;
if ((p = strrchr(argv0, '/')))
return p+1;
return argv0;
}

114
libdaemon/dlog.h Normal file
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@ -0,0 +1,114 @@
#ifndef foodaemonloghfoo
#define foodaemonloghfoo
/***
This file is part of libdaemon.
Copyright 2003-2008 Lennart Poettering
libdaemon is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 2.1 of the
License, or (at your option) any later version.
libdaemon is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with libdaemon. If not, see
<http://www.gnu.org/licenses/>.
***/
#include <syslog.h>
#include <stdarg.h>
#ifdef __cplusplus
extern "C" {
#endif
/** \file
*
* Contains a robust API for logging messages
*/
/** Specifies where to send the log messages to. The global variable daemon_log_use takes values of this type.
*/
enum daemon_log_flags {
DAEMON_LOG_SYSLOG = 1, /**< Log messages are written to syslog */
DAEMON_LOG_STDERR = 2, /**< Log messages are written to STDERR */
DAEMON_LOG_STDOUT = 4, /**< Log messages are written to STDOUT */
DAEMON_LOG_AUTO = 8 /**< If this is set a daemon_fork() will
change this to DAEMON_LOG_SYSLOG in
the daemon process. */
};
/** This variable is used to specify the log target(s) to
* use. Defaults to DAEMON_LOG_STDERR|DAEMON_LOG_AUTO */
extern enum daemon_log_flags daemon_log_use;
/** Specifies the syslog identification, use daemon_ident_from_argv0()
* to set this to a sensible value or generate your own. */
extern const char* daemon_log_ident;
#if defined(__GNUC__) && ! defined(DAEMON_GCC_PRINTF_ATTR)
#define DAEMON_GCC_PRINTF_ATTR(a,b) __attribute__ ((format (printf, a, b)))
#else
/** A macro for making use of GCCs printf compilation warnings */
#define DAEMON_GCC_PRINTF_ATTR(a,b)
#endif
/** Log a message using printf format strings using the specified syslog priority
* @param prio The syslog priority (PRIO_xxx constants)
* @param t,... The text message to log
*/
void daemon_log(int prio, const char* t, ...) DAEMON_GCC_PRINTF_ATTR(2,3);
/** This variable is defined to 1 iff daemon_logv() is supported.
* @since 0.11
* @see daemon_logv()
*/
#define DAEMON_LOGV_AVAILABLE 1
/** Same as daemon_log(), but without variadic arguments
* @since 0.11
* @see DAEMON_LOGV_AVAILABLE
*/
void daemon_logv(int prio, const char* t, va_list ap);
/** Return a sensible syslog identification for daemon_log_ident
* generated from argv[0]. This will return a pointer to the file name
* of argv[0], i.e. strrchr(argv[0], '\')+1
* @param argv0 argv[0] as passed to main()
* @return The identification string
*/
char *daemon_ident_from_argv0(char *argv0);
/** This variable is defined to 1 iff daemon_set_verbosity() is available.
* @since 0.14
* @see daemon_set_verbosity()
*/
#define DAEMON_SET_VERBOSITY_AVAILABLE 1
/** Setter for the verbosity level of standard output.
*
* @param verbosity_prio Minimum priority level for messages to output
* on standard output/error
*
* Allows to decide which messages to output on standard output/error
* streams. All messages are logged to syslog and this setting does
* not influence that.
*
* The default value is LOG_WARNING.
*
* @since 0.14
* @see DAEMON_SET_VERBOSITY_AVAILABLE
*/
void daemon_set_verbosity(int verbosity_prio);
#ifdef __cplusplus
}
#endif
#endif

44
libdaemon/dnonblock.c Normal file
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@ -0,0 +1,44 @@
/***
This file is part of libdaemon.
Copyright 2003-2008 Lennart Poettering
libdaemon is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 2.1 of the
License, or (at your option) any later version.
libdaemon is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with libdaemon. If not, see
<http://www.gnu.org/licenses/>.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <fcntl.h>
#include "dnonblock.h"
int daemon_nonblock(int fd, int b) {
int a, c;
if ((a = fcntl(fd, F_GETFL)) < 0)
return -1;
if (b)
c = a | O_NONBLOCK;
else
c = a & ~O_NONBLOCK;
if (c == a)
return 0;
return fcntl(fd, F_SETFL, c);
}

47
libdaemon/dnonblock.h Normal file
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@ -0,0 +1,47 @@
#ifndef foodaemonnonblockhfoo
#define foodaemonnonblockhfoo
/***
This file is part of libdaemon.
Copyright 2003-2008 Lennart Poettering
libdaemon is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 2.1 of the
License, or (at your option) any later version.
libdaemon is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with libdaemon. If not, see
<http://www.gnu.org/licenses/>.
***/
#ifdef __cplusplus
extern "C" {
#endif
/** \file
*
* Contains a single function used to change a file descriptor to
* non-blocking mode using fcntl().
*/
/** Change the passed file descriptor to non-blocking or blocking
* mode, depending on b.
* @param fd The file descriptor to manipulation
* @param b TRUE if non-blocking mode should be enabled, FALSE if it
* should be disabled
* @return Zero on success, nonzero on failure.
*/
int daemon_nonblock(int fd, int b);
#ifdef __cplusplus
}
#endif
#endif

276
libdaemon/dpid.c Normal file
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@ -0,0 +1,276 @@
/***
This file is part of libdaemon.
Copyright 2003-2008 Lennart Poettering
libdaemon is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 2.1 of the
License, or (at your option) any later version.
libdaemon is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with libdaemon. If not, see
<http://www.gnu.org/licenses/>.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <time.h>
#include <sys/select.h>
#include <fcntl.h>
#include <stddef.h>
#include <sys/time.h>
#include "dpid.h"
#include "dlog.h"
#ifndef ETIME
#define ETIME ETIMEDOUT /* For FreeBSD */
#endif
#ifndef PATH_MAX
#define PATH_MAX 512
#endif
#define VARRUN LOCALSTATEDIR "/run"
const char *daemon_pid_file_ident = NULL;
daemon_pid_file_proc_t daemon_pid_file_proc = daemon_pid_file_proc_default;
const char *daemon_pid_file_proc_default(void) {
#ifdef HAVE_ASPRINTF
static char *fn = NULL;
free(fn);
asprintf(&fn, "%s/%s.pid", VARRUN, daemon_pid_file_ident ? daemon_pid_file_ident : "unknown");
#else
static char fn[PATH_MAX];
snprintf(fn, sizeof(fn), "%s/%s.pid", VARRUN, daemon_pid_file_ident ? daemon_pid_file_ident : "unknown");
#endif
return fn;
}
static int lock_file(int fd, int enable) {
struct flock f;
memset(&f, 0, sizeof(f));
f.l_type = enable ? F_WRLCK : F_UNLCK;
f.l_whence = SEEK_SET;
f.l_start = 0;
f.l_len = 0;
if (fcntl(fd, F_SETLKW, &f) < 0) {
if (enable && errno == EBADF) {
f.l_type = F_RDLCK;
if (fcntl(fd, F_SETLKW, &f) >= 0)
return 0;
}
daemon_log(LOG_WARNING, "fcntl(F_SETLKW) failed: %s", strerror(errno));
return -1;
}
return 0;
}
pid_t daemon_pid_file_is_running(void) {
const char *fn;
static char txt[256];
int fd = -1, locked = -1;
pid_t ret = (pid_t) -1, pid;
ssize_t l;
long lpid;
char *e = NULL;
if (!(fn = daemon_pid_file_proc())) {
errno = EINVAL;
goto finish;
}
if ((fd = open(fn, O_RDWR, 0644)) < 0) {
if ((fd = open(fn, O_RDONLY, 0644)) < 0) {
if (errno != ENOENT)
daemon_log(LOG_WARNING, "Failed to open PID file: %s", strerror(errno));
goto finish;
}
}
if ((locked = lock_file(fd, 1)) < 0)
goto finish;
if ((l = read(fd, txt, sizeof(txt)-1)) < 0) {
int saved_errno = errno;
daemon_log(LOG_WARNING, "read(): %s", strerror(errno));
unlink(fn);
errno = saved_errno;
goto finish;
}
txt[l] = 0;
txt[strcspn(txt, "\r\n")] = 0;
errno = 0;
lpid = strtol(txt, &e, 10);
pid = (pid_t) lpid;
if (errno != 0 || !e || *e || (long) pid != lpid) {
daemon_log(LOG_WARNING, "PID file corrupt, removing. (%s)", fn);
unlink(fn);
errno = EINVAL;
goto finish;
}
if (kill(pid, 0) != 0 && errno != EPERM) {
int saved_errno = errno;
daemon_log(LOG_WARNING, "Process %lu died: %s; trying to remove PID file. (%s)", (unsigned long) pid, strerror(errno), fn);
unlink(fn);
errno = saved_errno;
goto finish;
}
ret = pid;
finish:
if (fd >= 0) {
int saved_errno = errno;
if (locked >= 0)
lock_file(fd, 0);
close(fd);
errno = saved_errno;
}
return ret;
}
int daemon_pid_file_kill(int s) {
pid_t pid;
if ((pid = daemon_pid_file_is_running()) == (pid_t) -1)
return -1;
if (kill(pid, s) < 0)
return -1;
return 0;
}
int daemon_pid_file_kill_wait(int s, int m) {
pid_t pid;
time_t t;
if ((pid = daemon_pid_file_is_running()) < 0)
return -1;
if (kill(pid, s) < 0)
return -1;
t = time(NULL) + m;
for (;;) {
int r;
struct timeval tv = { 0, 100000 };
if (time(NULL) > t) {
errno = ETIME;
return -1;
}
if ((r = kill(pid, 0)) < 0 && errno != ESRCH)
return -1;
if (r)
return 0;
if (select(0, NULL, NULL, NULL, &tv) < 0)
return -1;
}
}
int daemon_pid_file_create(void) {
const char *fn;
int fd = -1;
int ret = -1;
int locked = -1;
char t[64];
ssize_t l;
mode_t u;
u = umask(022);
if (!(fn = daemon_pid_file_proc())) {
errno = EINVAL;
goto finish;
}
if ((fd = open(fn, O_CREAT|O_RDWR|O_EXCL, 0644)) < 0) {
daemon_log(LOG_ERR, "open(%s): %s", fn, strerror(errno));
goto finish;
}
if ((locked = lock_file(fd, 1)) < 0) {
int saved_errno = errno;
unlink(fn);
errno = saved_errno;
goto finish;
}
snprintf(t, sizeof(t), "%lu\n", (unsigned long) getpid());
l = strlen(t);
if (write(fd, t, l) != l) {
int saved_errno = errno;
daemon_log(LOG_WARNING, "write(): %s", strerror(errno));
unlink(fn);
errno = saved_errno;
goto finish;
}
ret = 0;
finish:
if (fd >= 0) {
int saved_errno = errno;
if (locked >= 0)
lock_file(fd, 0);
close(fd);
errno = saved_errno;
}
umask(u);
return ret;
}
int daemon_pid_file_remove(void) {
const char *fn;
if (!(fn = daemon_pid_file_proc())) {
errno = EINVAL;
return -1;
}
return unlink(fn);
}

101
libdaemon/dpid.h Normal file
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@ -0,0 +1,101 @@
#ifndef foodaemonpidhfoo
#define foodaemonpidhfoo
/***
This file is part of libdaemon.
Copyright 2003-2008 Lennart Poettering
libdaemon is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 2.1 of the
License, or (at your option) any later version.
libdaemon is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with libdaemon. If not, see
<http://www.gnu.org/licenses/>.
***/
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
/** \file
*
* Contains an API for manipulating PID files.
*/
/** Prototype of a function for generating the name of a PID file.
*/
typedef const char* (*daemon_pid_file_proc_t)(void);
/** Identification string for the PID file name, only used when
* daemon_pid_file_proc is set to daemon_pid_file_proc_default(). Use
* daemon_ident_from_argv0() to generate an identification string from
* argv[0]
*/
extern const char *daemon_pid_file_ident;
/** A function pointer which is used to generate the name of the PID
* file to manipulate. Points to daemon_pid_file_proc_default() by
* default.
*/
extern daemon_pid_file_proc_t daemon_pid_file_proc;
/** A function for creating a pid file name from
* daemon_pid_file_ident
* @return The PID file path
*/
const char *daemon_pid_file_proc_default(void);
/** Creates PID pid file for the current process
* @return zero on success, nonzero on failure
*/
int daemon_pid_file_create(void);
/** Removes the PID file of the current process
* @return zero on success, nonzero on failure
*/
int daemon_pid_file_remove(void);
/** Returns the PID file of a running daemon, if available
* @return The PID or negative on failure
*/
pid_t daemon_pid_file_is_running(void);
/** Kills a running daemon, if available
* @param s The signal to send
* @return zero on success, nonzero on failure
*/
int daemon_pid_file_kill(int s);
/** This variable is defined to 1 iff daemon_pid_file_kill_wait() is supported.
* @since 0.3
* @see daemon_pid_file_kill_wait() */
#define DAEMON_PID_FILE_KILL_WAIT_AVAILABLE 1
/** Similar to daemon_pid_file_kill() but waits until the process
* died. This functions is new in libdaemon 0.3. The macro
* DAEMON_PID_FILE_KILL_WAIT_AVAILABLE is defined iff libdaemon
* supports this function.
*
* @param s The signal to send
* @param m Seconds to wait at maximum
* @return zero on success, nonzero on failure (timeout condition is considered a failure)
* @since 0.3
* @see DAEMON_PID_FILE_KILL_WAIT_AVAILABLE
*/
int daemon_pid_file_kill_wait(int s, int m);
#ifdef __cplusplus
}
#endif
#endif

155
libdaemon/dsignal.c Normal file
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/***
This file is part of libdaemon.
Copyright 2003-2008 Lennart Poettering
libdaemon is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 2.1 of the
License, or (at your option) any later version.
libdaemon is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with libdaemon. If not, see
<http://www.gnu.org/licenses/>.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <stdarg.h>
#include <signal.h>
#include "dsignal.h"
#include "dlog.h"
#include "dnonblock.h"
static int _signal_pipe[2] = { -1, -1 };
static void _sigfunc(int s) {
int saved_errno = errno;
write(_signal_pipe[1], &s, sizeof(s));
errno = saved_errno;
}
static int _init(void) {
if (_signal_pipe[0] < 0 || _signal_pipe[1] < 0) {
if (pipe(_signal_pipe) < 0) {
daemon_log(LOG_ERR, "pipe(): %s", strerror(errno));
return -1;
}
if (daemon_nonblock(_signal_pipe[0], 1) < 0 || daemon_nonblock(_signal_pipe[1], 1) < 0) {
daemon_signal_done();
return -1;
}
}
return 0;
}
int daemon_signal_install(int s){
sigset_t ss;
struct sigaction sa;
if (_init() < 0)
return -1;
if (sigemptyset(&ss) < 0) {
daemon_log(LOG_ERR, "sigemptyset(): %s", strerror(errno));
return -1;
}
if (sigaddset(&ss, s) < 0) {
daemon_log(LOG_ERR, "sigaddset(): %s", strerror(errno));
return -1;
}
if (sigprocmask(SIG_UNBLOCK, &ss, NULL) < 0) {
daemon_log(LOG_ERR, "sigprocmask(): %s", strerror(errno));
return -1;
}
memset(&sa, 0, sizeof(sa));
sa.sa_handler = _sigfunc;
sigemptyset(&sa.sa_mask);
sa.sa_flags = SA_RESTART;
if (sigaction(s, &sa, NULL) < 0) {
daemon_log(LOG_ERR, "sigaction(%s, ...) failed: %s", strsignal(s), strerror(errno));
return -1;
}
return 0;
}
int daemon_signal_init(int s, ...) {
int sig, r = 0;
va_list ap;
if (_init() < 0)
return -1;
va_start(ap, s);
sig = s;
while (sig > 0) {
if ((r = daemon_signal_install(sig)) < 0)
break;
sig = va_arg(ap, int);
}
va_end(ap);
return r;
}
void daemon_signal_done(void) {
int saved_errno = errno;
if (_signal_pipe[0] != -1)
close(_signal_pipe[0]);
if (_signal_pipe[1] != -1)
close(_signal_pipe[1]);
_signal_pipe[0] = _signal_pipe[1] = -1;
errno = saved_errno;
}
int daemon_signal_next(void) {
int s;
ssize_t r;
if ((r = read(_signal_pipe[0], &s, sizeof(s))) == sizeof(s))
return s;
if (r < 0) {
if (errno == EAGAIN)
return 0;
else {
daemon_log(LOG_ERR, "read(signal_pipe[0], ...): %s", strerror(errno));
return -1;
}
}
daemon_log(LOG_ERR, "Short read() on signal pipe.");
return -1;
}
int daemon_signal_fd(void) {
return _signal_pipe[0];
}

75
libdaemon/dsignal.h Normal file
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@ -0,0 +1,75 @@
#ifndef foodaemonsignalhfoo
#define foodaemonsignalhfoo
/***
This file is part of libdaemon.
Copyright 2003-2008 Lennart Poettering
libdaemon is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 2.1 of the
License, or (at your option) any later version.
libdaemon is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with libdaemon. If not, see
<http://www.gnu.org/licenses/>.
***/
#ifdef __cplusplus
extern "C" {
#endif
/** \file
*
* Contains the API for serializing signals to a pipe for
* usage with select() or poll().
*
* You should register all signals you
* wish to handle with select() in your main loop with
* daemon_signal_init() or daemon_signal_install(). After that you
* should sleep on the file descriptor returned by daemon_signal_fd()
* and get the next signal recieved with daemon_signal_next(). You
* should call daemon_signal_done() before exiting.
*/
/** Installs signal handlers for the specified signals
* @param s, ... The signals to install handlers for. The list should be terminated by 0
* @return zero on success, nonzero on failure
*/
int daemon_signal_init(int s, ...);
/** Install a signal handler for the specified signal
* @param s The signalto install handler for
* @return zero onsuccess,nonzero on failure
*/
int daemon_signal_install(int s);
/** Free resources of signal handling, should be called before daemon exit
*/
void daemon_signal_done(void);
/** Return the next signal recieved. This function will not
* block. Instead it returns 0 if no signal is queued.
* @return The next queued signal if one is queued, zero if none is
* queued, negative on failure.
*/
int daemon_signal_next(void);
/** Return the file descriptor the daemon should select() on for
* reading. Whenever the descriptor is ready you should call
* daemon_signal_next() to get the next signal queued.
* @return The file descriptor or negative on failure
*/
int daemon_signal_fd(void);
#ifdef __cplusplus
}
#endif
#endif

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311
m4/attributes.m4 Normal file
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dnl Macros to check the presence of generic (non-typed) symbols.
dnl Copyright (c) 2006-2007 Diego Pettenò <flameeyes@gmail.com>
dnl Copyright (c) 2006-2007 xine project
dnl
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2, or (at your option)
dnl any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this program; if not, write to the Free Software
dnl Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
dnl 02110-1301, USA.
dnl
dnl As a special exception, the copyright owners of the
dnl macro gives unlimited permission to copy, distribute and modify the
dnl configure scripts that are the output of Autoconf when processing the
dnl Macro. You need not follow the terms of the GNU General Public
dnl License when using or distributing such scripts, even though portions
dnl of the text of the Macro appear in them. The GNU General Public
dnl License (GPL) does govern all other use of the material that
dnl constitutes the Autoconf Macro.
dnl
dnl This special exception to the GPL applies to versions of the
dnl Autoconf Macro released by this project. When you make and
dnl distribute a modified version of the Autoconf Macro, you may extend
dnl this special exception to the GPL to apply to your modified version as
dnl well.
dnl Check if the flag is supported by compiler
dnl CC_CHECK_CFLAGS_SILENT([FLAG], [ACTION-IF-FOUND],[ACTION-IF-NOT-FOUND])
AC_DEFUN([CC_CHECK_CFLAGS_SILENT], [
AC_CACHE_VAL(AS_TR_SH([cc_cv_cflags_$1]),
[ac_save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $1"
AC_COMPILE_IFELSE([int a;],
[eval "AS_TR_SH([cc_cv_cflags_$1])='yes'"],
[eval "AS_TR_SH([cc_cv_cflags_$1])='no'"])
CFLAGS="$ac_save_CFLAGS"
])
AS_IF([eval test x$]AS_TR_SH([cc_cv_cflags_$1])[ = xyes],
[$2], [$3])
])
dnl Check if the flag is supported by compiler (cacheable)
dnl CC_CHECK_CFLAGS([FLAG], [ACTION-IF-FOUND],[ACTION-IF-NOT-FOUND])
AC_DEFUN([CC_CHECK_CFLAGS], [
AC_CACHE_CHECK([if $CC supports $1 flag],
AS_TR_SH([cc_cv_cflags_$1]),
CC_CHECK_CFLAGS_SILENT([$1]) dnl Don't execute actions here!
)
AS_IF([eval test x$]AS_TR_SH([cc_cv_cflags_$1])[ = xyes],
[$2], [$3])
])
dnl CC_CHECK_CFLAG_APPEND(FLAG, [action-if-found], [action-if-not-found])
dnl Check for CFLAG and appends them to CFLAGS if supported
AC_DEFUN([CC_CHECK_CFLAG_APPEND], [
AC_CACHE_CHECK([if $CC supports $1 flag],
AS_TR_SH([cc_cv_cflags_$1]),
CC_CHECK_CFLAGS_SILENT([$1]) dnl Don't execute actions here!
)
AS_IF([eval test x$]AS_TR_SH([cc_cv_cflags_$1])[ = xyes],
[CFLAGS="$CFLAGS $1"; $2], [$3])
])
dnl CC_CHECK_CFLAGS_APPEND([FLAG1 FLAG2], [action-if-found], [action-if-not])
AC_DEFUN([CC_CHECK_CFLAGS_APPEND], [
for flag in $1; do
CC_CHECK_CFLAG_APPEND($flag, [$2], [$3])
done
])
dnl Check if the flag is supported by linker (cacheable)
dnl CC_CHECK_LDFLAGS([FLAG], [ACTION-IF-FOUND],[ACTION-IF-NOT-FOUND])
AC_DEFUN([CC_CHECK_LDFLAGS], [
AC_CACHE_CHECK([if $CC supports $1 flag],
AS_TR_SH([cc_cv_ldflags_$1]),
[ac_save_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS $1"
AC_LINK_IFELSE([int main() { return 1; }],
[eval "AS_TR_SH([cc_cv_ldflags_$1])='yes'"],
[eval "AS_TR_SH([cc_cv_ldflags_$1])="])
LDFLAGS="$ac_save_LDFLAGS"
])
AS_IF([eval test x$]AS_TR_SH([cc_cv_ldflags_$1])[ = xyes],
[$2], [$3])
])
dnl define the LDFLAGS_NOUNDEFINED variable with the correct value for
dnl the current linker to avoid undefined references in a shared object.
AC_DEFUN([CC_NOUNDEFINED], [
dnl We check $host for which systems to enable this for.
AC_REQUIRE([AC_CANONICAL_HOST])
case $host in
dnl FreeBSD (et al.) does not complete linking for shared objects when pthreads
dnl are requested, as different implementations are present; to avoid problems
dnl use -Wl,-z,defs only for those platform not behaving this way.
*-freebsd*) ;;
*)
dnl First of all check for the --no-undefined variant of GNU ld. This allows
dnl for a much more readable commandline, so that people can understand what
dnl it does without going to look for what the heck -z defs does.
for possible_flags in "-Wl,--no-undefined" "-Wl,-z,defs"; do
CC_CHECK_LDFLAGS([$possible_flags], [LDFLAGS_NOUNDEFINED="$possible_flags"])
break
done
;;
esac
AC_SUBST([LDFLAGS_NOUNDEFINED])
])
dnl Check for a -Werror flag or equivalent. -Werror is the GCC
dnl and ICC flag that tells the compiler to treat all the warnings
dnl as fatal. We usually need this option to make sure that some
dnl constructs (like attributes) are not simply ignored.
dnl
dnl Other compilers don't support -Werror per se, but they support
dnl an equivalent flag:
dnl - Sun Studio compiler supports -errwarn=%all
AC_DEFUN([CC_CHECK_WERROR], [
AC_CACHE_CHECK(
[for $CC way to treat warnings as errors],
[cc_cv_werror],
[CC_CHECK_CFLAGS_SILENT([-Werror], [cc_cv_werror=-Werror],
[CC_CHECK_CFLAGS_SILENT([-errwarn=%all], [cc_cv_werror=-errwarn=%all])])
])
])
AC_DEFUN([CC_CHECK_ATTRIBUTE], [
AC_REQUIRE([CC_CHECK_WERROR])
AC_CACHE_CHECK([if $CC supports __attribute__(( ifelse([$2], , [$1], [$2]) ))],
AS_TR_SH([cc_cv_attribute_$1]),
[ac_save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $cc_cv_werror"
AC_COMPILE_IFELSE([$3],
[eval "AS_TR_SH([cc_cv_attribute_$1])='yes'"],
[eval "AS_TR_SH([cc_cv_attribute_$1])='no'"])
CFLAGS="$ac_save_CFLAGS"
])
AS_IF([eval test x$]AS_TR_SH([cc_cv_attribute_$1])[ = xyes],
[AC_DEFINE(
AS_TR_CPP([SUPPORT_ATTRIBUTE_$1]), 1,
[Define this if the compiler supports __attribute__(( ifelse([$2], , [$1], [$2]) ))]
)
$4],
[$5])
])
AC_DEFUN([CC_ATTRIBUTE_CONSTRUCTOR], [
CC_CHECK_ATTRIBUTE(
[constructor],,
[void __attribute__((constructor)) ctor() { int a; }],
[$1], [$2])
])
AC_DEFUN([CC_ATTRIBUTE_FORMAT], [
CC_CHECK_ATTRIBUTE(
[format], [format(printf, n, n)],
[void __attribute__((format(printf, 1, 2))) printflike(const char *fmt, ...) { fmt = (void *)0; }],
[$1], [$2])
])
AC_DEFUN([CC_ATTRIBUTE_FORMAT_ARG], [
CC_CHECK_ATTRIBUTE(
[format_arg], [format_arg(printf)],
[char *__attribute__((format_arg(1))) gettextlike(const char *fmt) { fmt = (void *)0; }],
[$1], [$2])
])
AC_DEFUN([CC_ATTRIBUTE_VISIBILITY], [
CC_CHECK_ATTRIBUTE(
[visibility_$1], [visibility("$1")],
[void __attribute__((visibility("$1"))) $1_function() { }],
[$2], [$3])
])
AC_DEFUN([CC_ATTRIBUTE_NONNULL], [
CC_CHECK_ATTRIBUTE(
[nonnull], [nonnull()],
[void __attribute__((nonnull())) some_function(void *foo, void *bar) { foo = (void*)0; bar = (void*)0; }],
[$1], [$2])
])
AC_DEFUN([CC_ATTRIBUTE_UNUSED], [
CC_CHECK_ATTRIBUTE(
[unused], ,
[void some_function(void *foo, __attribute__((unused)) void *bar);],
[$1], [$2])
])
AC_DEFUN([CC_ATTRIBUTE_SENTINEL], [
CC_CHECK_ATTRIBUTE(
[sentinel], ,
[void some_function(void *foo, ...) __attribute__((sentinel));],
[$1], [$2])
])
AC_DEFUN([CC_ATTRIBUTE_DEPRECATED], [
CC_CHECK_ATTRIBUTE(
[deprecated], ,
[void some_function(void *foo, ...) __attribute__((deprecated));],
[$1], [$2])
])
AC_DEFUN([CC_ATTRIBUTE_ALIAS], [
CC_CHECK_ATTRIBUTE(
[alias], [weak, alias],
[void other_function(void *foo) { }
void some_function(void *foo) __attribute__((weak, alias("other_function")));],
[$1], [$2])
])
AC_DEFUN([CC_ATTRIBUTE_MALLOC], [
CC_CHECK_ATTRIBUTE(
[malloc], ,
[void * __attribute__((malloc)) my_alloc(int n);],
[$1], [$2])
])
AC_DEFUN([CC_ATTRIBUTE_PACKED], [
CC_CHECK_ATTRIBUTE(
[packed], ,
[struct astructure { char a; int b; long c; void *d; } __attribute__((packed));],
[$1], [$2])
])
AC_DEFUN([CC_ATTRIBUTE_CONST], [
CC_CHECK_ATTRIBUTE(
[const], ,
[int __attribute__((const)) twopow(int n) { return 1 << n; } ],
[$1], [$2])
])
AC_DEFUN([CC_FLAG_VISIBILITY], [
AC_REQUIRE([CC_CHECK_WERROR])
AC_CACHE_CHECK([if $CC supports -fvisibility=hidden],
[cc_cv_flag_visibility],
[cc_flag_visibility_save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $cc_cv_werror"
CC_CHECK_CFLAGS_SILENT([-fvisibility=hidden],
cc_cv_flag_visibility='yes',
cc_cv_flag_visibility='no')
CFLAGS="$cc_flag_visibility_save_CFLAGS"])
AS_IF([test "x$cc_cv_flag_visibility" = "xyes"],
[AC_DEFINE([SUPPORT_FLAG_VISIBILITY], 1,
[Define this if the compiler supports the -fvisibility flag])
$1],
[$2])
])
AC_DEFUN([CC_FUNC_EXPECT], [
AC_REQUIRE([CC_CHECK_WERROR])
AC_CACHE_CHECK([if compiler has __builtin_expect function],
[cc_cv_func_expect],
[ac_save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $cc_cv_werror"
AC_COMPILE_IFELSE(
[int some_function() {
int a = 3;
return (int)__builtin_expect(a, 3);
}],
[cc_cv_func_expect=yes],
[cc_cv_func_expect=no])
CFLAGS="$ac_save_CFLAGS"
])
AS_IF([test "x$cc_cv_func_expect" = "xyes"],
[AC_DEFINE([SUPPORT__BUILTIN_EXPECT], 1,
[Define this if the compiler supports __builtin_expect() function])
$1],
[$2])
])
AC_DEFUN([CC_ATTRIBUTE_ALIGNED], [
AC_REQUIRE([CC_CHECK_WERROR])
AC_CACHE_CHECK([highest __attribute__ ((aligned ())) supported],
[cc_cv_attribute_aligned],
[ac_save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $cc_cv_werror"
for cc_attribute_align_try in 64 32 16 8 4 2; do
AC_COMPILE_IFELSE([
int main() {
static char c __attribute__ ((aligned($cc_attribute_align_try))) = 0;
return c;
}], [cc_cv_attribute_aligned=$cc_attribute_align_try; break])
done
CFLAGS="$ac_save_CFLAGS"
])
if test "x$cc_cv_attribute_aligned" != "x"; then
AC_DEFINE_UNQUOTED([ATTRIBUTE_ALIGNED_MAX], [$cc_cv_attribute_aligned],
[Define the highest alignment supported])
fi
])

7359
m4/libtool.m4 vendored Normal file
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368
m4/ltoptions.m4 vendored Normal file
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@ -0,0 +1,368 @@
# Helper functions for option handling. -*- Autoconf -*-
#
# Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
# Written by Gary V. Vaughan, 2004
#
# This file is free software; the Free Software Foundation gives
# unlimited permission to copy and/or distribute it, with or without
# modifications, as long as this notice is preserved.
# serial 6 ltoptions.m4
# This is to help aclocal find these macros, as it can't see m4_define.
AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])])
# _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME)
# ------------------------------------------
m4_define([_LT_MANGLE_OPTION],
[[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])])
# _LT_SET_OPTION(MACRO-NAME, OPTION-NAME)
# ---------------------------------------
# Set option OPTION-NAME for macro MACRO-NAME, and if there is a
# matching handler defined, dispatch to it. Other OPTION-NAMEs are
# saved as a flag.
m4_define([_LT_SET_OPTION],
[m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl
m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]),
_LT_MANGLE_DEFUN([$1], [$2]),
[m4_warning([Unknown $1 option `$2'])])[]dnl
])
# _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET])
# ------------------------------------------------------------
# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
m4_define([_LT_IF_OPTION],
[m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])])
# _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET)
# -------------------------------------------------------
# Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME
# are set.
m4_define([_LT_UNLESS_OPTIONS],
[m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
[m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option),
[m4_define([$0_found])])])[]dnl
m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3
])[]dnl
])
# _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST)
# ----------------------------------------
# OPTION-LIST is a space-separated list of Libtool options associated
# with MACRO-NAME. If any OPTION has a matching handler declared with
# LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about
# the unknown option and exit.
m4_defun([_LT_SET_OPTIONS],
[# Set options
m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
[_LT_SET_OPTION([$1], _LT_Option)])
m4_if([$1],[LT_INIT],[
dnl
dnl Simply set some default values (i.e off) if boolean options were not
dnl specified:
_LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no
])
_LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no
])
dnl
dnl If no reference was made to various pairs of opposing options, then
dnl we run the default mode handler for the pair. For example, if neither
dnl `shared' nor `disable-shared' was passed, we enable building of shared
dnl archives by default:
_LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED])
_LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC])
_LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC])
_LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install],
[_LT_ENABLE_FAST_INSTALL])
])
])# _LT_SET_OPTIONS
## --------------------------------- ##
## Macros to handle LT_INIT options. ##
## --------------------------------- ##
# _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME)
# -----------------------------------------
m4_define([_LT_MANGLE_DEFUN],
[[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])])
# LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE)
# -----------------------------------------------
m4_define([LT_OPTION_DEFINE],
[m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl
])# LT_OPTION_DEFINE
# dlopen
# ------
LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes
])
AU_DEFUN([AC_LIBTOOL_DLOPEN],
[_LT_SET_OPTION([LT_INIT], [dlopen])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you
put the `dlopen' option into LT_INIT's first parameter.])
])
dnl aclocal-1.4 backwards compatibility:
dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], [])
# win32-dll
# ---------
# Declare package support for building win32 dll's.
LT_OPTION_DEFINE([LT_INIT], [win32-dll],
[enable_win32_dll=yes
case $host in
*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-cegcc*)
AC_CHECK_TOOL(AS, as, false)
AC_CHECK_TOOL(DLLTOOL, dlltool, false)
AC_CHECK_TOOL(OBJDUMP, objdump, false)
;;
esac
test -z "$AS" && AS=as
_LT_DECL([], [AS], [0], [Assembler program])dnl
test -z "$DLLTOOL" && DLLTOOL=dlltool
_LT_DECL([], [DLLTOOL], [0], [DLL creation program])dnl
test -z "$OBJDUMP" && OBJDUMP=objdump
_LT_DECL([], [OBJDUMP], [0], [Object dumper program])dnl
])# win32-dll
AU_DEFUN([AC_LIBTOOL_WIN32_DLL],
[AC_REQUIRE([AC_CANONICAL_HOST])dnl
_LT_SET_OPTION([LT_INIT], [win32-dll])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you
put the `win32-dll' option into LT_INIT's first parameter.])
])
dnl aclocal-1.4 backwards compatibility:
dnl AC_DEFUN([AC_LIBTOOL_WIN32_DLL], [])
# _LT_ENABLE_SHARED([DEFAULT])
# ----------------------------
# implement the --enable-shared flag, and supports the `shared' and
# `disable-shared' LT_INIT options.
# DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'.
m4_define([_LT_ENABLE_SHARED],
[m4_define([_LT_ENABLE_SHARED_DEFAULT], [m4_if($1, no, no, yes)])dnl
AC_ARG_ENABLE([shared],
[AS_HELP_STRING([--enable-shared@<:@=PKGS@:>@],
[build shared libraries @<:@default=]_LT_ENABLE_SHARED_DEFAULT[@:>@])],
[p=${PACKAGE-default}
case $enableval in
yes) enable_shared=yes ;;
no) enable_shared=no ;;
*)
enable_shared=no
# Look at the argument we got. We use all the common list separators.
lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
for pkg in $enableval; do
IFS="$lt_save_ifs"
if test "X$pkg" = "X$p"; then
enable_shared=yes
fi
done
IFS="$lt_save_ifs"
;;
esac],
[enable_shared=]_LT_ENABLE_SHARED_DEFAULT)
_LT_DECL([build_libtool_libs], [enable_shared], [0],
[Whether or not to build shared libraries])
])# _LT_ENABLE_SHARED
LT_OPTION_DEFINE([LT_INIT], [shared], [_LT_ENABLE_SHARED([yes])])
LT_OPTION_DEFINE([LT_INIT], [disable-shared], [_LT_ENABLE_SHARED([no])])
# Old names:
AC_DEFUN([AC_ENABLE_SHARED],
[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[shared])
])
AC_DEFUN([AC_DISABLE_SHARED],
[_LT_SET_OPTION([LT_INIT], [disable-shared])
])
AU_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)])
AU_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)])
dnl aclocal-1.4 backwards compatibility:
dnl AC_DEFUN([AM_ENABLE_SHARED], [])
dnl AC_DEFUN([AM_DISABLE_SHARED], [])
# _LT_ENABLE_STATIC([DEFAULT])
# ----------------------------
# implement the --enable-static flag, and support the `static' and
# `disable-static' LT_INIT options.
# DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'.
m4_define([_LT_ENABLE_STATIC],
[m4_define([_LT_ENABLE_STATIC_DEFAULT], [m4_if($1, no, no, yes)])dnl
AC_ARG_ENABLE([static],
[AS_HELP_STRING([--enable-static@<:@=PKGS@:>@],
[build static libraries @<:@default=]_LT_ENABLE_STATIC_DEFAULT[@:>@])],
[p=${PACKAGE-default}
case $enableval in
yes) enable_static=yes ;;
no) enable_static=no ;;
*)
enable_static=no
# Look at the argument we got. We use all the common list separators.
lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
for pkg in $enableval; do
IFS="$lt_save_ifs"
if test "X$pkg" = "X$p"; then
enable_static=yes
fi
done
IFS="$lt_save_ifs"
;;
esac],
[enable_static=]_LT_ENABLE_STATIC_DEFAULT)
_LT_DECL([build_old_libs], [enable_static], [0],
[Whether or not to build static libraries])
])# _LT_ENABLE_STATIC
LT_OPTION_DEFINE([LT_INIT], [static], [_LT_ENABLE_STATIC([yes])])
LT_OPTION_DEFINE([LT_INIT], [disable-static], [_LT_ENABLE_STATIC([no])])
# Old names:
AC_DEFUN([AC_ENABLE_STATIC],
[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static])
])
AC_DEFUN([AC_DISABLE_STATIC],
[_LT_SET_OPTION([LT_INIT], [disable-static])
])
AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)])
AU_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)])
dnl aclocal-1.4 backwards compatibility:
dnl AC_DEFUN([AM_ENABLE_STATIC], [])
dnl AC_DEFUN([AM_DISABLE_STATIC], [])
# _LT_ENABLE_FAST_INSTALL([DEFAULT])
# ----------------------------------
# implement the --enable-fast-install flag, and support the `fast-install'
# and `disable-fast-install' LT_INIT options.
# DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'.
m4_define([_LT_ENABLE_FAST_INSTALL],
[m4_define([_LT_ENABLE_FAST_INSTALL_DEFAULT], [m4_if($1, no, no, yes)])dnl
AC_ARG_ENABLE([fast-install],
[AS_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@],
[optimize for fast installation @<:@default=]_LT_ENABLE_FAST_INSTALL_DEFAULT[@:>@])],
[p=${PACKAGE-default}
case $enableval in
yes) enable_fast_install=yes ;;
no) enable_fast_install=no ;;
*)
enable_fast_install=no
# Look at the argument we got. We use all the common list separators.
lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
for pkg in $enableval; do
IFS="$lt_save_ifs"
if test "X$pkg" = "X$p"; then
enable_fast_install=yes
fi
done
IFS="$lt_save_ifs"
;;
esac],
[enable_fast_install=]_LT_ENABLE_FAST_INSTALL_DEFAULT)
_LT_DECL([fast_install], [enable_fast_install], [0],
[Whether or not to optimize for fast installation])dnl
])# _LT_ENABLE_FAST_INSTALL
LT_OPTION_DEFINE([LT_INIT], [fast-install], [_LT_ENABLE_FAST_INSTALL([yes])])
LT_OPTION_DEFINE([LT_INIT], [disable-fast-install], [_LT_ENABLE_FAST_INSTALL([no])])
# Old names:
AU_DEFUN([AC_ENABLE_FAST_INSTALL],
[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[fast-install])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you put
the `fast-install' option into LT_INIT's first parameter.])
])
AU_DEFUN([AC_DISABLE_FAST_INSTALL],
[_LT_SET_OPTION([LT_INIT], [disable-fast-install])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you put
the `disable-fast-install' option into LT_INIT's first parameter.])
])
dnl aclocal-1.4 backwards compatibility:
dnl AC_DEFUN([AC_ENABLE_FAST_INSTALL], [])
dnl AC_DEFUN([AM_DISABLE_FAST_INSTALL], [])
# _LT_WITH_PIC([MODE])
# --------------------
# implement the --with-pic flag, and support the `pic-only' and `no-pic'
# LT_INIT options.
# MODE is either `yes' or `no'. If omitted, it defaults to `both'.
m4_define([_LT_WITH_PIC],
[AC_ARG_WITH([pic],
[AS_HELP_STRING([--with-pic],
[try to use only PIC/non-PIC objects @<:@default=use both@:>@])],
[pic_mode="$withval"],
[pic_mode=default])
test -z "$pic_mode" && pic_mode=m4_default([$1], [default])
_LT_DECL([], [pic_mode], [0], [What type of objects to build])dnl
])# _LT_WITH_PIC
LT_OPTION_DEFINE([LT_INIT], [pic-only], [_LT_WITH_PIC([yes])])
LT_OPTION_DEFINE([LT_INIT], [no-pic], [_LT_WITH_PIC([no])])
# Old name:
AU_DEFUN([AC_LIBTOOL_PICMODE],
[_LT_SET_OPTION([LT_INIT], [pic-only])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you
put the `pic-only' option into LT_INIT's first parameter.])
])
dnl aclocal-1.4 backwards compatibility:
dnl AC_DEFUN([AC_LIBTOOL_PICMODE], [])
## ----------------- ##
## LTDL_INIT Options ##
## ----------------- ##
m4_define([_LTDL_MODE], [])
LT_OPTION_DEFINE([LTDL_INIT], [nonrecursive],
[m4_define([_LTDL_MODE], [nonrecursive])])
LT_OPTION_DEFINE([LTDL_INIT], [recursive],
[m4_define([_LTDL_MODE], [recursive])])
LT_OPTION_DEFINE([LTDL_INIT], [subproject],
[m4_define([_LTDL_MODE], [subproject])])
m4_define([_LTDL_TYPE], [])
LT_OPTION_DEFINE([LTDL_INIT], [installable],
[m4_define([_LTDL_TYPE], [installable])])
LT_OPTION_DEFINE([LTDL_INIT], [convenience],
[m4_define([_LTDL_TYPE], [convenience])])

123
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# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*-
#
# Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
# Written by Gary V. Vaughan, 2004
#
# This file is free software; the Free Software Foundation gives
# unlimited permission to copy and/or distribute it, with or without
# modifications, as long as this notice is preserved.
# serial 6 ltsugar.m4
# This is to help aclocal find these macros, as it can't see m4_define.
AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])])
# lt_join(SEP, ARG1, [ARG2...])
# -----------------------------
# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their
# associated separator.
# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier
# versions in m4sugar had bugs.
m4_define([lt_join],
[m4_if([$#], [1], [],
[$#], [2], [[$2]],
[m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])])
m4_define([_lt_join],
[m4_if([$#$2], [2], [],
[m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])])
# lt_car(LIST)
# lt_cdr(LIST)
# ------------
# Manipulate m4 lists.
# These macros are necessary as long as will still need to support
# Autoconf-2.59 which quotes differently.
m4_define([lt_car], [[$1]])
m4_define([lt_cdr],
[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])],
[$#], 1, [],
[m4_dquote(m4_shift($@))])])
m4_define([lt_unquote], $1)
# lt_append(MACRO-NAME, STRING, [SEPARATOR])
# ------------------------------------------
# Redefine MACRO-NAME to hold its former content plus `SEPARATOR'`STRING'.
# Note that neither SEPARATOR nor STRING are expanded; they are appended
# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked).
# No SEPARATOR is output if MACRO-NAME was previously undefined (different
# than defined and empty).
#
# This macro is needed until we can rely on Autoconf 2.62, since earlier
# versions of m4sugar mistakenly expanded SEPARATOR but not STRING.
m4_define([lt_append],
[m4_define([$1],
m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])])
# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...])
# ----------------------------------------------------------
# Produce a SEP delimited list of all paired combinations of elements of
# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list
# has the form PREFIXmINFIXSUFFIXn.
# Needed until we can rely on m4_combine added in Autoconf 2.62.
m4_define([lt_combine],
[m4_if(m4_eval([$# > 3]), [1],
[m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl
[[m4_foreach([_Lt_prefix], [$2],
[m4_foreach([_Lt_suffix],
]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[,
[_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])])
# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ])
# -----------------------------------------------------------------------
# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited
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m4_define([lt_if_append_uniq],
[m4_ifdef([$1],
[m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1],
[lt_append([$1], [$2], [$3])$4],
[$5])],
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# lt_dict_add(DICT, KEY, VALUE)
# -----------------------------
m4_define([lt_dict_add],
[m4_define([$1($2)], [$3])])
# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE)
# --------------------------------------------
m4_define([lt_dict_add_subkey],
[m4_define([$1($2:$3)], [$4])])
# lt_dict_fetch(DICT, KEY, [SUBKEY])
# ----------------------------------
m4_define([lt_dict_fetch],
[m4_ifval([$3],
m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]),
m4_ifdef([$1($2)], [m4_defn([$1($2)])]))])
# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE])
# -----------------------------------------------------------------
m4_define([lt_if_dict_fetch],
[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4],
[$5],
[$6])])
# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...])
# --------------------------------------------------------------
m4_define([lt_dict_filter],
[m4_if([$5], [], [],
[lt_join(m4_quote(m4_default([$4], [[, ]])),
lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]),
[lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl
])

23
m4/ltversion.m4 vendored Normal file
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@ -0,0 +1,23 @@
# ltversion.m4 -- version numbers -*- Autoconf -*-
#
# Copyright (C) 2004 Free Software Foundation, Inc.
# Written by Scott James Remnant, 2004
#
# This file is free software; the Free Software Foundation gives
# unlimited permission to copy and/or distribute it, with or without
# modifications, as long as this notice is preserved.
# Generated from ltversion.in.
# serial 3012 ltversion.m4
# This file is part of GNU Libtool
m4_define([LT_PACKAGE_VERSION], [2.2.6])
m4_define([LT_PACKAGE_REVISION], [1.3012])
AC_DEFUN([LTVERSION_VERSION],
[macro_version='2.2.6'
macro_revision='1.3012'
_LT_DECL(, macro_version, 0, [Which release of libtool.m4 was used?])
_LT_DECL(, macro_revision, 0)
])

92
m4/lt~obsolete.m4 vendored Normal file
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@ -0,0 +1,92 @@
# lt~obsolete.m4 -- aclocal satisfying obsolete definitions. -*-Autoconf-*-
#
# Copyright (C) 2004, 2005, 2007 Free Software Foundation, Inc.
# Written by Scott James Remnant, 2004.
#
# This file is free software; the Free Software Foundation gives
# unlimited permission to copy and/or distribute it, with or without
# modifications, as long as this notice is preserved.
# serial 4 lt~obsolete.m4
# These exist entirely to fool aclocal when bootstrapping libtool.
#
# In the past libtool.m4 has provided macros via AC_DEFUN (or AU_DEFUN)
# which have later been changed to m4_define as they aren't part of the
# exported API, or moved to Autoconf or Automake where they belong.
#
# The trouble is, aclocal is a bit thick. It'll see the old AC_DEFUN
# in /usr/share/aclocal/libtool.m4 and remember it, then when it sees us
# using a macro with the same name in our local m4/libtool.m4 it'll
# pull the old libtool.m4 in (it doesn't see our shiny new m4_define
# and doesn't know about Autoconf macros at all.)
#
# So we provide this file, which has a silly filename so it's always
# included after everything else. This provides aclocal with the
# AC_DEFUNs it wants, but when m4 processes it, it doesn't do anything
# because those macros already exist, or will be overwritten later.
# We use AC_DEFUN over AU_DEFUN for compatibility with aclocal-1.6.
#
# Anytime we withdraw an AC_DEFUN or AU_DEFUN, remember to add it here.
# Yes, that means every name once taken will need to remain here until
# we give up compatibility with versions before 1.7, at which point
# we need to keep only those names which we still refer to.
# This is to help aclocal find these macros, as it can't see m4_define.
AC_DEFUN([LTOBSOLETE_VERSION], [m4_if([1])])
m4_ifndef([AC_LIBTOOL_LINKER_OPTION], [AC_DEFUN([AC_LIBTOOL_LINKER_OPTION])])
m4_ifndef([AC_PROG_EGREP], [AC_DEFUN([AC_PROG_EGREP])])
m4_ifndef([_LT_AC_PROG_ECHO_BACKSLASH], [AC_DEFUN([_LT_AC_PROG_ECHO_BACKSLASH])])
m4_ifndef([_LT_AC_SHELL_INIT], [AC_DEFUN([_LT_AC_SHELL_INIT])])
m4_ifndef([_LT_AC_SYS_LIBPATH_AIX], [AC_DEFUN([_LT_AC_SYS_LIBPATH_AIX])])
m4_ifndef([_LT_PROG_LTMAIN], [AC_DEFUN([_LT_PROG_LTMAIN])])
m4_ifndef([_LT_AC_TAGVAR], [AC_DEFUN([_LT_AC_TAGVAR])])
m4_ifndef([AC_LTDL_ENABLE_INSTALL], [AC_DEFUN([AC_LTDL_ENABLE_INSTALL])])
m4_ifndef([AC_LTDL_PREOPEN], [AC_DEFUN([AC_LTDL_PREOPEN])])
m4_ifndef([_LT_AC_SYS_COMPILER], [AC_DEFUN([_LT_AC_SYS_COMPILER])])
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m4_ifndef([AC_LIBTOOL_SYS_OLD_ARCHIVE], [AC_DEFUN([AC_LIBTOOL_SYS_OLD_ARCHIVE])])
m4_ifndef([_LT_AC_TRY_DLOPEN_SELF], [AC_DEFUN([_LT_AC_TRY_DLOPEN_SELF])])
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m4_ifndef([AC_LIBTOOL_SYS_HARD_LINK_LOCKS], [AC_DEFUN([AC_LIBTOOL_SYS_HARD_LINK_LOCKS])])
m4_ifndef([AC_LIBTOOL_OBJDIR], [AC_DEFUN([AC_LIBTOOL_OBJDIR])])
m4_ifndef([AC_LTDL_OBJDIR], [AC_DEFUN([AC_LTDL_OBJDIR])])
m4_ifndef([AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH], [AC_DEFUN([AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH])])
m4_ifndef([AC_LIBTOOL_SYS_LIB_STRIP], [AC_DEFUN([AC_LIBTOOL_SYS_LIB_STRIP])])
m4_ifndef([AC_PATH_MAGIC], [AC_DEFUN([AC_PATH_MAGIC])])
m4_ifndef([AC_PROG_LD_GNU], [AC_DEFUN([AC_PROG_LD_GNU])])
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m4_ifndef([AC_DEPLIBS_CHECK_METHOD], [AC_DEFUN([AC_DEPLIBS_CHECK_METHOD])])
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m4_ifndef([_LT_AC_CHECK_DLFCN], [AC_DEFUN([_LT_AC_CHECK_DLFCN])])
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m4_ifndef([_LT_AC_TAGCONFIG], [AC_DEFUN([_LT_AC_TAGCONFIG])])
m4_ifndef([AC_DISABLE_FAST_INSTALL], [AC_DEFUN([AC_DISABLE_FAST_INSTALL])])
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m4_ifndef([_LT_AC_LANG_RC_CONFIG], [AC_DEFUN([_LT_AC_LANG_RC_CONFIG])])
m4_ifndef([AC_LIBTOOL_CONFIG], [AC_DEFUN([AC_LIBTOOL_CONFIG])])
m4_ifndef([_LT_AC_FILE_LTDLL_C], [AC_DEFUN([_LT_AC_FILE_LTDLL_C])])

24
m4/zp_lynx_doc.m4 Normal file
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@ -0,0 +1,24 @@
dnl Macro for enabling LYNX-based documentation generation
AC_DEFUN([ZP_LYNX_DOC], [
AC_ARG_ENABLE(lynx,
AS_HELP_STRING([--disable-lynx],
[Turn off lynx usage for documentation generation]),,
[enable_lynx=yes])
case "${enable_lynx}" in
yes)
AC_CHECK_PROG(have_lynx, lynx, yes, no)
if test x$have_lynx = xno ; then
AC_MSG_WARN([*** lynx not found, plain text README will not be built ***])
fi
;;
no)
have_lynx=no ;;
*)
AC_MSG_ERROR(bad value ${enableval} for --disable-lynx) ;;
esac
AM_CONDITIONAL([USE_LYNX], [test "x$have_lynx" = xyes])
])

367
missing Executable file
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@ -0,0 +1,367 @@
#! /bin/sh
# Common stub for a few missing GNU programs while installing.
scriptversion=2006-05-10.23
# Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005, 2006
# Free Software Foundation, Inc.
# Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.
if test $# -eq 0; then
echo 1>&2 "Try \`$0 --help' for more information"
exit 1
fi
run=:
sed_output='s/.* --output[ =]\([^ ]*\).*/\1/p'
sed_minuso='s/.* -o \([^ ]*\).*/\1/p'
# In the cases where this matters, `missing' is being run in the
# srcdir already.
if test -f configure.ac; then
configure_ac=configure.ac
else
configure_ac=configure.in
fi
msg="missing on your system"
case $1 in
--run)
# Try to run requested program, and just exit if it succeeds.
run=
shift
"$@" && exit 0
# Exit code 63 means version mismatch. This often happens
# when the user try to use an ancient version of a tool on
# a file that requires a minimum version. In this case we
# we should proceed has if the program had been absent, or
# if --run hadn't been passed.
if test $? = 63; then
run=:
msg="probably too old"
fi
;;
-h|--h|--he|--hel|--help)
echo "\
$0 [OPTION]... PROGRAM [ARGUMENT]...
Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an
error status if there is no known handling for PROGRAM.
Options:
-h, --help display this help and exit
-v, --version output version information and exit
--run try to run the given command, and emulate it if it fails
Supported PROGRAM values:
aclocal touch file \`aclocal.m4'
autoconf touch file \`configure'
autoheader touch file \`config.h.in'
autom4te touch the output file, or create a stub one
automake touch all \`Makefile.in' files
bison create \`y.tab.[ch]', if possible, from existing .[ch]
flex create \`lex.yy.c', if possible, from existing .c
help2man touch the output file
lex create \`lex.yy.c', if possible, from existing .c
makeinfo touch the output file
tar try tar, gnutar, gtar, then tar without non-portable flags
yacc create \`y.tab.[ch]', if possible, from existing .[ch]
Send bug reports to <bug-automake@gnu.org>."
exit $?
;;
-v|--v|--ve|--ver|--vers|--versi|--versio|--version)
echo "missing $scriptversion (GNU Automake)"
exit $?
;;
-*)
echo 1>&2 "$0: Unknown \`$1' option"
echo 1>&2 "Try \`$0 --help' for more information"
exit 1
;;
esac
# Now exit if we have it, but it failed. Also exit now if we
# don't have it and --version was passed (most likely to detect
# the program).
case $1 in
lex|yacc)
# Not GNU programs, they don't have --version.
;;
tar)
if test -n "$run"; then
echo 1>&2 "ERROR: \`tar' requires --run"
exit 1
elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
exit 1
fi
;;
*)
if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
# We have it, but it failed.
exit 1
elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
# Could not run --version or --help. This is probably someone
# running `$TOOL --version' or `$TOOL --help' to check whether
# $TOOL exists and not knowing $TOOL uses missing.
exit 1
fi
;;
esac
# If it does not exist, or fails to run (possibly an outdated version),
# try to emulate it.
case $1 in
aclocal*)
echo 1>&2 "\
WARNING: \`$1' is $msg. You should only need it if
you modified \`acinclude.m4' or \`${configure_ac}'. You might want
to install the \`Automake' and \`Perl' packages. Grab them from
any GNU archive site."
touch aclocal.m4
;;
autoconf)
echo 1>&2 "\
WARNING: \`$1' is $msg. You should only need it if
you modified \`${configure_ac}'. You might want to install the
\`Autoconf' and \`GNU m4' packages. Grab them from any GNU
archive site."
touch configure
;;
autoheader)
echo 1>&2 "\
WARNING: \`$1' is $msg. You should only need it if
you modified \`acconfig.h' or \`${configure_ac}'. You might want
to install the \`Autoconf' and \`GNU m4' packages. Grab them
from any GNU archive site."
files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}`
test -z "$files" && files="config.h"
touch_files=
for f in $files; do
case $f in
*:*) touch_files="$touch_files "`echo "$f" |
sed -e 's/^[^:]*://' -e 's/:.*//'`;;
*) touch_files="$touch_files $f.in";;
esac
done
touch $touch_files
;;
automake*)
echo 1>&2 "\
WARNING: \`$1' is $msg. You should only need it if
you modified \`Makefile.am', \`acinclude.m4' or \`${configure_ac}'.
You might want to install the \`Automake' and \`Perl' packages.
Grab them from any GNU archive site."
find . -type f -name Makefile.am -print |
sed 's/\.am$/.in/' |
while read f; do touch "$f"; done
;;
autom4te)
echo 1>&2 "\
WARNING: \`$1' is needed, but is $msg.
You might have modified some files without having the
proper tools for further handling them.
You can get \`$1' as part of \`Autoconf' from any GNU
archive site."
file=`echo "$*" | sed -n "$sed_output"`
test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
if test -f "$file"; then
touch $file
else
test -z "$file" || exec >$file
echo "#! /bin/sh"
echo "# Created by GNU Automake missing as a replacement of"
echo "# $ $@"
echo "exit 0"
chmod +x $file
exit 1
fi
;;
bison|yacc)
echo 1>&2 "\
WARNING: \`$1' $msg. You should only need it if
you modified a \`.y' file. You may need the \`Bison' package
in order for those modifications to take effect. You can get
\`Bison' from any GNU archive site."
rm -f y.tab.c y.tab.h
if test $# -ne 1; then
eval LASTARG="\${$#}"
case $LASTARG in
*.y)
SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
if test -f "$SRCFILE"; then
cp "$SRCFILE" y.tab.c
fi
SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
if test -f "$SRCFILE"; then
cp "$SRCFILE" y.tab.h
fi
;;
esac
fi
if test ! -f y.tab.h; then
echo >y.tab.h
fi
if test ! -f y.tab.c; then
echo 'main() { return 0; }' >y.tab.c
fi
;;
lex|flex)
echo 1>&2 "\
WARNING: \`$1' is $msg. You should only need it if
you modified a \`.l' file. You may need the \`Flex' package
in order for those modifications to take effect. You can get
\`Flex' from any GNU archive site."
rm -f lex.yy.c
if test $# -ne 1; then
eval LASTARG="\${$#}"
case $LASTARG in
*.l)
SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
if test -f "$SRCFILE"; then
cp "$SRCFILE" lex.yy.c
fi
;;
esac
fi
if test ! -f lex.yy.c; then
echo 'main() { return 0; }' >lex.yy.c
fi
;;
help2man)
echo 1>&2 "\
WARNING: \`$1' is $msg. You should only need it if
you modified a dependency of a manual page. You may need the
\`Help2man' package in order for those modifications to take
effect. You can get \`Help2man' from any GNU archive site."
file=`echo "$*" | sed -n "$sed_output"`
test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
if test -f "$file"; then
touch $file
else
test -z "$file" || exec >$file
echo ".ab help2man is required to generate this page"
exit 1
fi
;;
makeinfo)
echo 1>&2 "\
WARNING: \`$1' is $msg. You should only need it if
you modified a \`.texi' or \`.texinfo' file, or any other file
indirectly affecting the aspect of the manual. The spurious
call might also be the consequence of using a buggy \`make' (AIX,
DU, IRIX). You might want to install the \`Texinfo' package or
the \`GNU make' package. Grab either from any GNU archive site."
# The file to touch is that specified with -o ...
file=`echo "$*" | sed -n "$sed_output"`
test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
if test -z "$file"; then
# ... or it is the one specified with @setfilename ...
infile=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`
file=`sed -n '
/^@setfilename/{
s/.* \([^ ]*\) *$/\1/
p
q
}' $infile`
# ... or it is derived from the source name (dir/f.texi becomes f.info)
test -z "$file" && file=`echo "$infile" | sed 's,.*/,,;s,.[^.]*$,,'`.info
fi
# If the file does not exist, the user really needs makeinfo;
# let's fail without touching anything.
test -f $file || exit 1
touch $file
;;
tar)
shift
# We have already tried tar in the generic part.
# Look for gnutar/gtar before invocation to avoid ugly error
# messages.
if (gnutar --version > /dev/null 2>&1); then
gnutar "$@" && exit 0
fi
if (gtar --version > /dev/null 2>&1); then
gtar "$@" && exit 0
fi
firstarg="$1"
if shift; then
case $firstarg in
*o*)
firstarg=`echo "$firstarg" | sed s/o//`
tar "$firstarg" "$@" && exit 0
;;
esac
case $firstarg in
*h*)
firstarg=`echo "$firstarg" | sed s/h//`
tar "$firstarg" "$@" && exit 0
;;
esac
fi
echo 1>&2 "\
WARNING: I can't seem to be able to run \`tar' with the given arguments.
You may want to install GNU tar or Free paxutils, or check the
command line arguments."
exit 1
;;
*)
echo 1>&2 "\
WARNING: \`$1' is needed, and is $msg.
You might have modified some files without having the
proper tools for further handling them. Check the \`README' file,
it often tells you about the needed prerequisites for installing
this package. You may also peek at any GNU archive site, in case
some other package would contain this missing \`$1' program."
exit 1
;;
esac
exit 0
# Local variables:
# eval: (add-hook 'write-file-hooks 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-end: "$"
# End:

8
pkgconfig/libdaemon-uninstalled.pc.in Normal file
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@ -0,0 +1,8 @@
libdir=@abs_top_builddir@/libdaemon/.libs
includedir=@abs_top_srcdir@
Name: libdaemon
Description: a lightweight C library that eases the writing of UNIX daemons
Version: @PACKAGE_VERSION@
Libs: -L${libdir} -R${libdir} -ldaemon
Cflags: -D_REENTRANT -I${includedir}

10
pkgconfig/libdaemon.pc.in Normal file
View File

@ -0,0 +1,10 @@
prefix=@prefix@
exec_prefix=${prefix}
libdir=@libdir@
includedir=${prefix}/include
Name: libdaemon
Description: a lightweight C library that eases the writing of UNIX daemons
Version: @PACKAGE_VERSION@
Libs: -L${libdir} -ldaemon
Cflags: -D_REENTRANT -I${includedir}