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ab18b1e1a3
* sysdeps/unix/sysv/linux/i386/sigaction.c: Make alias weak since it's overridden by libpthreads. * sysdeps/unix/sysv/linux/sigaction.c: Likewise. * sysdeps/unix/sysv/linux/arm/sigaction.c: Likewise. * sysdeps/unix/sysv/linux/ia64/sigaction.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c: Likewise.
55 lines
2.0 KiB
C
55 lines
2.0 KiB
C
/* Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Linux/IA64 specific sigaction
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Written by Jes Sorensen, <Jes.Sorensen@cern.ch>, April 1999.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* Linux/ia64 only has rt signals, thus we do not even want to try falling
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back to the old style signals as the default Linux handler does. */
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#include <errno.h>
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#include <signal.h>
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#include <string.h>
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#include <sysdep.h>
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#include <sys/syscall.h>
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#include <bp-checks.h>
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extern int __syscall_rt_sigaction (int, const struct sigaction *__unbounded,
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struct sigaction *__unbounded, size_t);
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/* The variable is shared between all wrappers around signal handling
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functions which have RT equivalents. This is the definition. */
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/* If ACT is not NULL, change the action for SIG to *ACT.
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If OACT is not NULL, put the old action for SIG in *OACT. */
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int
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__libc_sigaction (sig, act, oact)
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int sig;
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const struct sigaction *act;
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struct sigaction *oact;
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{
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/* XXX The size argument hopefully will have to be changed to the
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real size of the user-level sigset_t. */
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return INLINE_SYSCALL (rt_sigaction, 4, sig,
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CHECK_1opt (act), CHECK_1opt (oact), _NSIG / 8);
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}
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weak_alias (__libc_sigaction, __sigaction)
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weak_alias (__libc_sigaction, sigaction)
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