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/*
* Check that the signal handler for the specified signal number is set
* to SIG_IGN/SIG_DFL.
*
* Copyright (c) 2017-2021 Dmitry V. Levin <ldv@strace.io>
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include <signal.h>
#include <stdlib.h>
int
main(int ac, char **av)
{
if (ac != 3)
error_msg_and_fail("usage: check_sigign 0|1 signum");
const int ign = !!atoi(av[1]);
const int signum = atoi(av[2]);
struct sigaction act;
if (sigaction(signum, NULL, &act))
perror_msg_and_fail("sigaction: %s", av[2]);
return ign ^ (act.sa_handler == SIG_IGN);
}
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