1/* Copyright (C) 2002-2020 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 <https://www.gnu.org/licenses/>. */
18
19#include <internal-signals.h>
20
21int
22__sigaction (int sig, const struct sigaction *act, struct sigaction *oact)
23{
24 if (sig <= 0 || sig >= NSIG || __is_internal_signal (sig))
25 {
26 __set_errno (EINVAL);
27 return -1;
28 }
29
30 return __libc_sigaction (sig, act, oact);
31}
32libc_hidden_weak (__sigaction)
33weak_alias (__sigaction, sigaction)
34