1/* Tests for sigisemptyset and pthread_sigmask.
2 Copyright (C) 2020-2024 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
21#include <support/check.h>
22#include <support/xthread.h>
23
24static void *
25tf (void *arg)
26{
27 {
28 sigset_t set;
29 sigemptyset (&set);
30 TEST_COMPARE (pthread_sigmask (SIG_BLOCK, 0, &set), 0);
31 TEST_COMPARE (sigisemptyset (&set), 1);
32 }
33
34 {
35 sigset_t set;
36 sigfillset (&set);
37 TEST_COMPARE (pthread_sigmask (SIG_BLOCK, 0, &set), 0);
38 TEST_COMPARE (sigisemptyset (&set), 1);
39 }
40
41 return NULL;
42}
43
44static int
45do_test (void)
46{
47 /* Ensure current SIG_BLOCK mask empty. */
48 {
49 sigset_t set;
50 sigemptyset (&set);
51 TEST_COMPARE (sigprocmask (SIG_BLOCK, &set, 0), 0);
52 }
53
54 {
55 pthread_t thr = xpthread_create (NULL, thread_func: tf, NULL);
56 xpthread_join (thr);
57 }
58
59 return 0;
60}
61
62#include <support/test-driver.c>
63

source code of glibc/sysdeps/pthread/tst-signal8.c