1/* Test sigaction regression for BZ #23069.
2 Copyright (C) 2018-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <signal.h>
20#include <unistd.h>
21
22#include <support/check.h>
23
24static void
25my_sig_handler (int signum)
26{
27}
28
29static int
30do_test (void)
31{
32 /* Define a simple signal handler */
33 struct sigaction act;
34 act.sa_handler = my_sig_handler;
35 act.sa_flags = 0;
36 sigemptyset (&act.sa_mask);
37
38 /* Set it as SIGUSR1 signal handler */
39 TEST_VERIFY_EXIT (sigaction (SIGUSR1, &act, NULL) == 0);
40
41 /* Get SIGUSR1 signal handler */
42 TEST_VERIFY_EXIT (sigaction (SIGUSR1, NULL, &act) == 0);
43
44 /* Check it is consistent with the defined one */
45 TEST_VERIFY (act.sa_handler == my_sig_handler);
46 TEST_VERIFY (!(act.sa_flags & SA_RESETHAND));
47
48 for (int i = 1; i < _NSIG; i++)
49 {
50 TEST_VERIFY (!sigismember (&act.sa_mask, i));
51 }
52
53 return 0;
54}
55
56#include <support/test-driver.c>
57

source code of glibc/signal/tst-sigaction.c