mirror of https://gitee.com/openkylin/wget.git
130 lines
3.7 KiB
C
130 lines
3.7 KiB
C
/* A POSIX-like <sys/wait.h>.
|
|
Copyright (C) 2001-2003, 2005-2019 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 3, 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 <https://www.gnu.org/licenses/>. */
|
|
|
|
|
|
#ifndef _@GUARD_PREFIX@_SYS_WAIT_H
|
|
|
|
#if __GNUC__ >= 3
|
|
@PRAGMA_SYSTEM_HEADER@
|
|
#endif
|
|
@PRAGMA_COLUMNS@
|
|
|
|
/* The include_next requires a split double-inclusion guard. */
|
|
#if !(defined _WIN32 && ! defined __CYGWIN__)
|
|
# @INCLUDE_NEXT@ @NEXT_SYS_WAIT_H@
|
|
#endif
|
|
|
|
#ifndef _@GUARD_PREFIX@_SYS_WAIT_H
|
|
#define _@GUARD_PREFIX@_SYS_WAIT_H
|
|
|
|
/* Get pid_t. */
|
|
#include <sys/types.h>
|
|
|
|
|
|
/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
|
|
|
|
/* The definition of _GL_WARN_ON_USE is copied here. */
|
|
|
|
|
|
#if !(defined _WIN32 && ! defined __CYGWIN__)
|
|
/* Unix API. */
|
|
|
|
/* The following macros apply to an argument x, that is a status of a process,
|
|
as returned by waitpid().
|
|
On nearly all systems, including Linux/x86, WEXITSTATUS are bits 15..8 and
|
|
WTERMSIG are bits 7..0, while BeOS uses the opposite. Therefore programs
|
|
have to use the abstract macros. */
|
|
|
|
/* For valid x, exactly one of WIFSIGNALED(x), WIFEXITED(x), WIFSTOPPED(x)
|
|
is true. */
|
|
# ifndef WIFSIGNALED
|
|
# define WIFSIGNALED(x) (WTERMSIG (x) != 0 && WTERMSIG(x) != 0x7f)
|
|
# endif
|
|
# ifndef WIFEXITED
|
|
# define WIFEXITED(x) (WTERMSIG (x) == 0)
|
|
# endif
|
|
# ifndef WIFSTOPPED
|
|
# define WIFSTOPPED(x) (WTERMSIG (x) == 0x7f)
|
|
# endif
|
|
|
|
/* The termination signal. Only to be accessed if WIFSIGNALED(x) is true. */
|
|
# ifndef WTERMSIG
|
|
# define WTERMSIG(x) ((x) & 0x7f)
|
|
# endif
|
|
|
|
/* The exit status. Only to be accessed if WIFEXITED(x) is true. */
|
|
# ifndef WEXITSTATUS
|
|
# define WEXITSTATUS(x) (((x) >> 8) & 0xff)
|
|
# endif
|
|
|
|
/* The stopping signal. Only to be accessed if WIFSTOPPED(x) is true. */
|
|
# ifndef WSTOPSIG
|
|
# define WSTOPSIG(x) (((x) >> 8) & 0x7f)
|
|
# endif
|
|
|
|
/* True if the process dumped core. Not standardized by POSIX. */
|
|
# ifndef WCOREDUMP
|
|
# define WCOREDUMP(x) ((x) & 0x80)
|
|
# endif
|
|
|
|
#else
|
|
/* Native Windows API. */
|
|
|
|
# include <signal.h> /* for SIGTERM */
|
|
|
|
/* The following macros apply to an argument x, that is a status of a process,
|
|
as returned by waitpid() or, equivalently, _cwait() or GetExitCodeProcess().
|
|
This value is simply an 'int', not composed of bit fields. */
|
|
|
|
/* When an unhandled fatal signal terminates a process, the exit code is 3. */
|
|
# define WIFSIGNALED(x) ((x) == 3)
|
|
# define WIFEXITED(x) ((x) != 3)
|
|
# define WIFSTOPPED(x) 0
|
|
|
|
/* The signal that terminated a process is not known posthum. */
|
|
# define WTERMSIG(x) SIGTERM
|
|
|
|
# define WEXITSTATUS(x) (x)
|
|
|
|
/* There are no stopping signals. */
|
|
# define WSTOPSIG(x) 0
|
|
|
|
/* There are no core dumps. */
|
|
# define WCOREDUMP(x) 0
|
|
|
|
#endif
|
|
|
|
|
|
/* Declarations of functions. */
|
|
|
|
#if @GNULIB_WAITPID@
|
|
# if defined _WIN32 && ! defined __CYGWIN__
|
|
_GL_FUNCDECL_SYS (waitpid, pid_t, (pid_t pid, int *statusp, int options));
|
|
# endif
|
|
_GL_CXXALIAS_SYS (waitpid, pid_t, (pid_t pid, int *statusp, int options));
|
|
_GL_CXXALIASWARN (waitpid);
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef waitpid
|
|
# if HAVE_RAW_DECL_WAITPID
|
|
_GL_WARN_ON_USE (waitpid, "waitpid is unportable - "
|
|
"use gnulib module sys_wait for portability");
|
|
# endif
|
|
#endif
|
|
|
|
|
|
#endif /* _@GUARD_PREFIX@_SYS_WAIT_H */
|
|
#endif /* _@GUARD_PREFIX@_SYS_WAIT_H */
|