glibc/sysdeps/unix/sysv/linux/waitpid.c
Joseph Myers 688903eb3e Update copyright dates with scripts/update-copyrights.
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2018-01-01 00:32:25 +00:00

46 lines
1.4 KiB
C

/* Copyright (C) 1991-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library 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.
The GNU C Library 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 the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <sysdep-cancel.h>
#include <stdlib.h>
#include <sys/wait.h>
#include <not-cancel.h>
__pid_t
__waitpid (__pid_t pid, int *stat_loc, int options)
{
#ifdef __NR_waitpid
return SYSCALL_CANCEL (waitpid, pid, stat_loc, options);
#else
return SYSCALL_CANCEL (wait4, pid, stat_loc, options, NULL);
#endif
}
libc_hidden_def (__waitpid)
weak_alias (__waitpid, waitpid)
__pid_t
__waitpid_nocancel (__pid_t pid, int *stat_loc, int options)
{
#ifdef __NR_waitpid
return INLINE_SYSCALL_CALL (waitpid, pid, stat_loc, options);
#else
return INLINE_SYSCALL_CALL (wait4, pid, stat_loc, options, NULL);
#endif
}
libc_hidden_def (__waitpid_nocancel)