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/* Copyright (C) 1997,1998,1999,2000,2002,2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Linux/IA64 specific sigaction
Written by Jes Sorensen, <Jes.Sorensen@cern.ch>, April 1999.
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. */
/* Linux/ia64 only has rt signals, thus we do not even want to try falling
back to the old style signals as the default Linux handler does. */
#include <errno.h>
#include <signal.h>
#include <string.h>
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
extern int __syscall_rt_sigaction (int, const struct sigaction *__unbounded,
struct sigaction *__unbounded, size_t);
/* The variable is shared between all wrappers around signal handling
functions which have RT equivalents. This is the definition. */
/* If ACT is not NULL, change the action for SIG to *ACT.
If OACT is not NULL, put the old action for SIG in *OACT. */
int
__libc_sigaction (sig, act, oact)
int sig;
const struct sigaction *act;
struct sigaction *oact;
{
/* XXX The size argument hopefully will have to be changed to the
real size of the user-level sigset_t. */
return INLINE_SYSCALL (rt_sigaction, 4, sig,
CHECK_1_NULL_OK (act), CHECK_1_NULL_OK (oact), _NSIG / 8);
}
libc_hidden_def (__libc_sigaction)
#ifndef LIBC_SIGACTION
weak_alias (__libc_sigaction, __sigaction)
libc_hidden_def (__sigaction)
weak_alias (__libc_sigaction, sigaction)
#endif
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