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Daniel P. Berrange 285c2fdf0f Allow handshake with child process during startup 
Allow the parent process to perform a bi-directional handshake
with the child process during fork/exec. The child process
will fork and do its initial setup. Immediately prior to the
exec(), it will stop & wait for a handshake from the parent
process. The parent process will spawn the child and wait
until the child reaches the handshake point. It will do
whatever extra setup work is required, before signalling the
child to continue.

The implementation of this is done using two pairs of blocking
pipes. The first pair is used to block the parent, until the
child writes a single byte. Then the second pair pair is used
to block the child, until the parent confirms with another
single byte.

* src/util/command.c, src/util/command.h,
  src/libvirt_private.syms: Add APIs to perform a handshake
 		2011-06-02 10:53:58 +01:00
.gnulib@9d196fad05 build: avoid strerror_r pitfalls 2011-05-25 10:12:35 -06:00
daemon remote generator: Handle some virTypedParameterPtr using functions 2011-06-01 17:38:39 +02:00
docs build: avoid corrupting / in RHEL 5 2011-06-01 15:26:13 -06:00
examples Introduce a new event emitted when a virtualization failure occurs 2011-05-29 20:21:53 +08:00
include Fix virTypedParameter alias comments 2011-05-31 09:03:06 +02:00
m4 tests: Lower stack usage below 4096 bytes 2011-04-30 19:59:52 +02:00
po Add sexpr.c to the list of file with translatable messages 2011-05-27 15:48:47 +02:00
python Introduce a new event emitted when a virtualization failure occurs 2011-05-29 20:21:53 +08:00
src Allow handshake with child process during startup 2011-06-02 10:53:58 +01:00
tests tests: really fix QEMU XML-2-ARGV graphics-spice-timeout test 2011-06-01 15:41:24 -06:00
tools Fix sysinfo/virsh build problems on Win32 2011-05-31 14:17:21 +01:00
.dir-locals.el maint: make spacing in .sh files easier 2011-03-14 21:57:42 -06:00
.gitignore * .gitignore: Exempt a new test binary. 2011-05-31 11:35:32 -06:00
.gitmodules make .gnulib a submodule 2009-07-08 16:17:51 +02:00
.mailmap qemu: allow blkstat/blkinfo calls during migration 2011-05-26 11:05:04 -06:00
AUTHORS openvz: Fix regression in config file parsing 2011-05-26 19:49:18 +02:00
COPYING.LIB remove all trailing blank lines 2009-07-16 15:06:42 +02:00
ChangeLog-old generate ChangeLog from git logs into distribution tarball 2009-07-08 16:17:51 +02:00
HACKING maint: rename virBufferVSprintf to virBufferAsprintf 2011-05-05 13:47:40 -06:00
Makefile.am Re-add libvirt.spec to tarball to allwo "make rpm" 2011-05-09 14:23:19 +08:00
Makefile.nonreentrant Ban use of all inet_* functions 2010-10-22 11:59:23 +01:00
README Correct typos in the documentation (Atsushi SAKAI) 2008-01-24 10:15:13 +00:00
README-hacking maint: relax git minimum version 2010-02-24 14:29:27 -05:00
TODO Update todo list file to point at bugzilla/website 2010-10-13 16:45:26 +01:00
autobuild.sh Remove the Open Nebula driver 2011-03-28 14:09:11 +01:00
autogen.sh build: avoid problems with autogen.sh runs from tarball 2011-02-12 06:28:28 -07:00
bootstrap build: update to latest gnulib 2011-05-18 08:31:33 -06:00
bootstrap.conf build: require newer gettext 2011-05-19 17:54:47 -06:00
cfg.mk Pass graphics setup from dst back to src via migration cookies 2011-05-16 15:18:21 +01:00
configure.ac remote generator: Legacy support for hyper to long mappings 2011-06-01 15:51:01 +02:00
libvirt.pc.in * libvirt.pc.in: applied patch from Daniel Berrange to fix --cflags 2006-03-24 13:18:12 +00:00
libvirt.spec.in libvirt.spec: /var/cache/libvirt should be 0711. 2011-05-20 16:18:11 +01:00
mingw32-libvirt.spec.in Remove iohelper on Win32 since it is not required 2011-03-31 17:41:51 +01:00

README 

         LibVirt : simple API for virtualization

  Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.

Daniel Veillard <veillard@redhat.com>