glibc/sysdeps/unix/sysv/linux/wait.c

46 lines
1.5 KiB
C
Raw Normal View History

Update. 2002-12-15 Ulrich Drepper <drepper@redhat.com> * sysdeps/generic/sysdep-cancel.h: Add dummy definitions for SINGLE_THREAD_P, LIBC_CANCEL_ASYNC, and LIBC_CANCEL_RESET. * sysdeps/unix/sysv/linux/open64.c: New file. * sysdeps/generic/pselect.c: Add support for cancellation handling. * sysdeps/posix/open64.c: Likewise. * sysdeps/posix/sigpause.c: Likewise. * sysdeps/posix/sigwait.c: Likewise. * sysdeps/posix/system.c: Likewise. * sysdeps/posix/waitid.c: Likewise. * sysdeps/unix/sysv/linux/accept.S: Likewise. * sysdeps/unix/sysv/linux/connect.S: Likewise. * sysdeps/unix/sysv/linux/llseek.c: Likewise. * sysdeps/unix/sysv/linux/msgrcv.c: Likewise. * sysdeps/unix/sysv/linux/msgsnd.c: Likewise. * sysdeps/unix/sysv/linux/poll.c: Likewise. * sysdeps/unix/sysv/linux/pread.c: Likewise. * sysdeps/unix/sysv/linux/pread64.c: Likewise. * sysdeps/unix/sysv/linux/pwrite.c: Likewise. * sysdeps/unix/sysv/linux/pwrite64.c: Likewise. * sysdeps/unix/sysv/linux/readv.c: Likewise. * sysdeps/unix/sysv/linux/recv.S: Likewise. * sysdeps/unix/sysv/linux/recvfrom.S: Likewise. * sysdeps/unix/sysv/linux/recvmsg.S: Likewise. * sysdeps/unix/sysv/linux/send.S: Likewise. * sysdeps/unix/sysv/linux/sendmsg.S: Likewise. * sysdeps/unix/sysv/linux/sendto.S: Likewise. * sysdeps/unix/sysv/linux/sigsuspend.c: Likewise. * sysdeps/unix/sysv/linux/sigtimedwait.c: Likewise. * sysdeps/unix/sysv/linux/sigwait.c: Likewise. * sysdeps/unix/sysv/linux/sigwaitinfo.c: Likewise. * sysdeps/unix/sysv/linux/tcdrain.c: Likewise. * sysdeps/unix/sysv/linux/wait.c: Likewise. * sysdeps/unix/sysv/linux/waitpid.c: Likewise. * sysdeps/unix/sysv/linux/writev.c: Likewise. * sysdeps/unix/sysv/linux/i386/fcntl.c: Likewise. * sysdeps/unix/sysv/linux/i386/socket.S: Likewise.
2002-12-15 10:26:23 +00:00
/* Copyright (C) 1991, 1995, 1996, 1997, 2002 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <sys/wait.h>
#include <errno.h>
#include <sys/resource.h>
#include <stddef.h>
#include <sysdep-cancel.h>
/* Wait for a child to die. When one does, put its status in *STAT_LOC
and return its process ID. For errors, return (pid_t) -1. */
__pid_t
__libc_wait (__WAIT_STATUS_DEFN stat_loc)
{
if (SINGLE_THREAD_P)
return INLINE_SYSCALL (wait4, 4, WAIT_ANY, stat_loc, 0,
(struct rusage *) NULL);
int oldtype = LIBC_CANCEL_ASYNC ();
int result = INLINE_SYSCALL (wait4, 4, WAIT_ANY, stat_loc, 0,
(struct rusage *) NULL);
LIBC_CANCEL_RESET (oldtype);
return result;
}
weak_alias (__libc_wait, __wait)
weak_alias (__libc_wait, wait)