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.
4
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.
9
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.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
18
19 #include <pthreadP.h>
20 #include <signal.h>
21
22 /* We use the libc implementation but we tell it to not allow
23 SIGCANCEL or SIGTIMER to be handled. */
24
25 libc_hidden_proto(sigaction)
26 extern __typeof(sigaction) __libc_sigaction;
27 int
sigaction(int sig,const struct sigaction * act,struct sigaction * oact)28 sigaction (int sig, const struct sigaction *act, struct sigaction *oact)
29 {
30 if (unlikely (sig == SIGCANCEL || sig == SIGSETXID))
31 {
32 __set_errno (EINVAL);
33 return -1;
34 }
35
36 return __libc_sigaction (sig, act, oact);
37 }
38 libc_hidden_def(sigaction)
39