30 lines
619 B
C
30 lines
619 B
C
/*
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* Check that the signal handler for the specified signal number is set
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* to SIG_IGN/SIG_DFL.
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*
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* Copyright (c) 2017-2018 Dmitry V. Levin <ldv@altlinux.org>
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* All rights reserved.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "tests.h"
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#include <signal.h>
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#include <stdlib.h>
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int
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main(int ac, char **av)
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{
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if (ac != 3)
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error_msg_and_fail("usage: check_sigign 0|1 signum");
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const int ign = !!atoi(av[1]);
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const int signum = atoi(av[2]);
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struct sigaction act;
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if (sigaction(signum, NULL, &act))
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perror_msg_and_fail("sigaction: %s", av[2]);
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return ign ^ (act.sa_handler == SIG_IGN);
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}
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