1/* Copyright (C) 2002-2018 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
20/* This is no complete implementation. The file is meant to be
21 included in the real implementation to provide the wrapper around
22 __libc_sigaction. */
23
24#include <nptl/pthreadP.h>
25
26/* We use the libc implementation but we tell it to not allow
27 SIGCANCEL or SIGTIMER to be handled. */
28#define LIBC_SIGACTION 1
29
30
31int
32__sigaction (int sig, const struct sigaction *act, struct sigaction *oact)
33{
34 if (__glibc_unlikely (sig == SIGCANCEL || sig == SIGSETXID))
35 {
36 __set_errno (EINVAL);
37 return -1;
38 }
39
40 return __libc_sigaction (sig, act, oact);
41}
42libc_hidden_weak (__sigaction)
43weak_alias (__sigaction, sigaction)
44