glibc/sysdeps/unix/sysv/linux/sigwait.c
Ulrich Drepper 6aca81bb9d Update.
2003-01-08  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/unix/sysv/linux/arm/sysdep.h (INTERNAL_SYSCALL,
	INTERNAL_SYSCALL_ERROR_P, INTERNAL_SYSCALL_ERRNO): Add err
	argument.
	(INTERNAL_SYSCALL_DECL): Define.

2003-01-06  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/unix/sysv/linux/ia64/sysdep.h (INTERNAL_SYSCALL,
	INTERNAL_SYSCALL_ERROR_P, INTERNAL_SYSCALL_ERRNO): Add err
	argument.
	(INTERNAL_SYSCALL_DECL): Define.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/i386/sysdep.h: Likewise.
	(INLINE_SYSCALL): Adjust.
	* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/m68k/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/sysdep.h: Likewise.
	* elf/dl-misc.c (_dl_debug_vdprintf): Add INTERNAL_SYSCALL_DECL,
	add err argument to INTERNAL_SYSCALL* macros.
	* sysdeps/unix/sysv/linux/i386/brk.c (__brk): Likewise.
	* sysdeps/unix/sysv/linux/i386/system.c (cancel_handler): Likewise.
	* sysdeps/unix/sysv/linux/m68k/brk.c (__brk): Likewise.
	* sysdeps/unix/sysv/linux/m68k/getpagesize.c  (__getpagesize):
	Likewise.
	* sysdeps/unix/sysv/linux/sigwait.c (do_sigwait): Likewise.
	* sysdeps/unix/sysv/linux/i386/sigaction.c (__libc_sigaction): Use
	INLINE_SYSCALL instead of INTERNAL_SYSCALL and setting errno.
2003-01-09 04:19:03 +00:00

89 lines
2.3 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-cancel.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. */
static int
do_sigwait (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
INTERNAL_SYSCALL_DECL (err);
ret = INTERNAL_SYSCALL (rt_sigtimedwait, err, 4, CHECK_SIGSET (set),
NULL, NULL, _NSIG / 8);
if (! INTERNAL_SYSCALL_ERROR_P (ret, err))
{
*sig = ret;
ret = 0;
}
else
ret = INTERNAL_SYSCALL_ERRNO (ret, err);
#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;
}
int
__sigwait (set, sig)
const sigset_t *set;
int *sig;
{
if (SINGLE_THREAD_P)
return do_sigwait (set, sig);
int oldtype = LIBC_CANCEL_ASYNC ();
int result = do_sigwait (set, sig);
LIBC_CANCEL_RESET (oldtype);
return result;
}
libc_hidden_def (__sigwait)
weak_alias (__sigwait, sigwait)
#else
# include <sysdeps/posix/sigwait.c>
#endif
strong_alias (__sigwait, __libc_sigwait)