/* Copyright (C) 2002-2020 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ #include <internal-signals.h> int __sigaction (int sig, const struct sigaction *act, struct sigaction *oact) { if (sig <= 0 || sig >= NSIG || __is_internal_signal (sig)) { __set_errno (EINVAL); return -1; } return __libc_sigaction (sig, act, oact); } libc_hidden_weak (__sigaction) weak_alias (__sigaction, sigaction)