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Diffstat (limited to 'tests-m32/check_sigign.c')
-rw-r--r-- | tests-m32/check_sigign.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/tests-m32/check_sigign.c b/tests-m32/check_sigign.c new file mode 100644 index 000000000..bace31704 --- /dev/null +++ b/tests-m32/check_sigign.c @@ -0,0 +1,49 @@ +/* + * Check that the signal handler for the specified signal number is set + * to SIG_IGN/SIG_DFL. + * + * Copyright (c) 2017 Dmitry V. Levin <ldv@altlinux.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#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); +} |