.
[glibc/history.git] / nptl / sigaction.c
blob60e1f1d355e9e586b4faaa313a8344a560890628
1 /* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307 USA. */
21 /* This is no complete implementation. The file is meant to be
22 included in the real implementation to provide the wrapper around
23 __libc_sigaction. */
25 #include <nptl/pthreadP.h>
27 /* We use the libc implementation but we tell it to not allow
28 SIGCANCEL or SIGTIMER to be handled. */
29 #define LIBC_SIGACTION 1
32 int
33 __sigaction (sig, act, oact)
34 int sig;
35 const struct sigaction *act;
36 struct sigaction *oact;
38 if (__builtin_expect (sig == SIGCANCEL || sig == SIGSETXID, 0))
40 __set_errno (EINVAL);
41 return -1;
44 return __libc_sigaction (sig, act, oact);
46 libc_hidden_weak (__sigaction)
47 weak_alias (__sigaction, sigaction)