/* Support functionality for using signals.

   Copyright (C) 2016-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   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

   <http://www.gnu.org/licenses/>.  */

#ifndef SUPPORT_SIGNAL_H

#define SUPPORT_SIGNAL_H

#include <signal.h>

#include <sys/cdefs.h>

__BEGIN_DECLS

/* The following functions call the corresponding libc functions and

   terminate the process on error.  */

void xraise (int sig);

sighandler_t xsignal (int sig, sighandler_t handler);

void xsigaction (int sig, const struct sigaction *newact,

                 struct sigaction *oldact);

/* The following functions call the corresponding libpthread functions

   and terminate the process on error.  */

void xpthread_sigmask (int how, const sigset_t *set, sigset_t *oldset);

__END_DECLS

#endif /* SUPPORT_SIGNAL_H */