1 /* Copyright (C) 2001-2013 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
18 /* 64 bit Linux for S/390 only has rt signals, thus we do not even want to try
19 falling back to the old style signals as the default Linux handler does. */
26 #include <sys/syscall.h>
28 /* The variable is shared between all wrappers around signal handling
29 functions which have RT equivalents. This is the definition. */
32 /* If ACT is not NULL, change the action for SIG to *ACT.
33 If OACT is not NULL, put the old action for SIG in *OACT. */
35 __libc_sigaction (sig
, act
, oact
)
37 const struct sigaction
*act
;
38 struct sigaction
*oact
;
40 /* XXX The size argument hopefully will have to be changed to the
41 real size of the user-level sigset_t. */
42 return INLINE_SYSCALL (rt_sigaction
, 4, sig
, act
, oact
, _NSIG
/ 8);
44 libc_hidden_def (__libc_sigaction
)
46 #ifdef WRAPPER_INCLUDE
47 # include WRAPPER_INCLUDE
50 #ifndef LIBC_SIGACTION
51 weak_alias (__libc_sigaction
, __sigaction
)
52 libc_hidden_weak (__sigaction
)
53 weak_alias (__libc_sigaction
, sigaction
)