mes/scaffold/tests/95-signal.c

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/* -*-comment-start: "//";comment-end:""-*-
* Mes --- Maxwell Equations of Software
* Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
*
* This file is part of Mes.
*
* Mes 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 (at
* your option) any later version.
*
* Mes 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 Mes. If not, see <http://www.gnu.org/licenses/>.
*/
#include <libmes.h>
#include <signal.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
int g_alarm_handled_p = 0;
void
handler (int signum)
{
eputs ("handle:"); eputs (itoa (signum)); eputs ("\n");
if (signum != SIGALRM)
exit (1);
g_alarm_handled_p = 1;
}
int
main (void)
{
signal (SIGALRM, handler);
kill (getpid (), SIGALRM);
if (!g_alarm_handled_p)
return 2;
return 0;
}