/*
 *  This file is part of uIRCd. (https://git.redxen.eu/caskd/uIRCd)
 *  Copyright (c) 2019, 2020 Alex-David Denes
 *
 *  uIRCd is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  any later version.
 *
 *  uIRCd 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with uIRCd.  If not, see <https://www.gnu.org/licenses/>.
 */

#include "signal.h"

#include "logging.h"

#include <errno.h>   // errno
#include <signal.h>  // sig_atomic_t
#include <stdbool.h> // true, false
#include <stdio.h>   // NULL, fprintf()
#include <string.h>  // strerror()

sig_atomic_t volatile run = true;

void
stop_loop(int sig, siginfo_t* info, void* ucontext)
{
	run = 0;
}
int
setup_signals(void)
{
	int              res = 1;
	struct sigaction sa  = { .sa_flags = SA_SIGINFO, .sa_sigaction = stop_loop };
	sigemptyset(&sa.sa_mask);
	if (sigaction(SIGINT, &sa, NULL) == -1) {
		LOG(LOG_WARN, "sigaction() failed. Children won't respond to signal SIGINT. " ERRNOFMT, strerror(errno), errno);
		res = 0;
	}
	if (sigaction(SIGTERM, &sa, NULL) == -1) {
		LOG(LOG_WARN, "sigaction() failed. Children won't respond to signal SIGTERM. " ERRNOFMT, strerror(errno), errno);
		res = 0;
	}
	return res;
}