glibc/sysdeps/unix/sysv/linux/sigwait.c
Ulrich Drepper e5e45b5337 Update.
2002-12-09  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/unix/sysv/linux/syscalls.list: Add __libc_creat and
	__libc_select aliases.

	* sysdeps/unix/sysv/linux/sigwaitinfo.c: Define __libc_sigwaitinfo
	alias.

	* sysdeps/unix/sysv/linux/sigwait.c: Define __libc_sigwait alias.

	* sysdeps/unix/sysv/linux/sigsuspend.c: Define __libc_sigsuspend alias.

	* sysdeps/unix/sysv/linux/poll.c: Define __libc_poll alias.

	* sysdeps/unix/syscalls.list: Define __libc_select alias.

	* sysdeps/posix/waitid.c: Define __libc_waitid alias.

	* sysdeps/posix/sigpause.c: Define __libc_sigpause and
	__libc___xpg_sigpause aliases.

	* sysdeps/generic/pselect.c: Define __libc_pselect alias.

	* misc/error.c: Remove use of USE_IN_LIBIO.
2002-12-10 04:05:39 +00:00

73 lines
2.0 KiB
C

/* Copyright (C) 1997, 1998, 2000, 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 <errno.h>
#include <signal.h>
#define __need_NULL
#include <stddef.h>
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#ifdef __NR_rt_sigtimedwait
extern int __syscall_rt_sigtimedwait (const sigset_t *__unbounded, siginfo_t *__unbounded,
const struct timespec *__unbounded, size_t);
/* Return any pending signal or wait for one for the given time. */
int
__sigwait (set, sig)
const sigset_t *set;
int *sig;
{
int ret;
/* XXX The size argument hopefully will have to be changed to the
real size of the user-level sigset_t. */
#ifdef INTERNAL_SYSCALL
ret = INTERNAL_SYSCALL (rt_sigtimedwait, 4, CHECK_SIGSET (set),
NULL, NULL, _NSIG / 8);
if (! INTERNAL_SYSCALL_ERROR_P (ret))
{
*sig = ret;
ret = 0;
}
else
ret = INTERNAL_SYSCALL_ERRNO (ret);
#else
ret = INLINE_SYSCALL (rt_sigtimedwait, 4, CHECK_SIGSET (set),
NULL, NULL, _NSIG / 8);
if (ret != -1)
{
*sig = ret;
ret = 0;
}
else
ret = errno;
#endif
return ret;
}
libc_hidden_def (__sigwait)
weak_alias (__sigwait, sigwait)
#else
# include <sysdeps/posix/sigwait.c>
#endif
strong_alias (__sigwait, __libc_sigwait)