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git.ipfire.org Git - thirdparty/glibc.git/blob - sysdeps/unix/sysv/linux/ia64/sigaction.c
1 /* Copyright (C) 1997-2000,2002,2003,2005 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Linux/IA64 specific sigaction
4 Written by Jes Sorensen, <Jes.Sorensen@cern.ch>, April 1999.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
20 /* Linux/ia64 only has rt signals, thus we do not even want to try falling
21 back to the old style signals as the default Linux handler does. */
28 #include <sys/syscall.h>
29 #include <bp-checks.h>
31 /* The variable is shared between all wrappers around signal handling
32 functions which have RT equivalents. This is the definition. */
35 /* If ACT is not NULL, change the action for SIG to *ACT.
36 If OACT is not NULL, put the old action for SIG in *OACT. */
38 __libc_sigaction (sig
, act
, oact
)
40 const struct sigaction
*act
;
41 struct sigaction
*oact
;
43 /* XXX The size argument hopefully will have to be changed to the
44 real size of the user-level sigset_t. */
45 return INLINE_SYSCALL (rt_sigaction
, 4, sig
,
46 CHECK_1_NULL_OK (act
), CHECK_1_NULL_OK (oact
), _NSIG
/ 8);
48 libc_hidden_def (__libc_sigaction
)
50 #ifdef WRAPPER_INCLUDE
51 # include WRAPPER_INCLUDE
54 #ifndef LIBC_SIGACTION
55 weak_alias (__libc_sigaction
, __sigaction
)
56 libc_hidden_def (__sigaction
)
57 weak_alias (__libc_sigaction
, sigaction
)