1/* Copyright (C) 2002-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18#include <pthread.h>
19#include <signal.h>
20#include <stdio.h>
21#include <unistd.h>
22#include <errno.h>
23#include <stdbool.h>
24
25#ifndef TEST_FUNCTION
26static int do_test (void);
27# define TEST_FUNCTION do_test ()
28#endif
29#include "../test-skeleton.c"
30
31#ifndef ATTR
32pthread_mutexattr_t *attr;
33# define ATTR attr
34#endif
35
36#ifndef ATTR_NULL
37# define ATTR_NULL (ATTR == NULL)
38#endif
39
40static int
41do_test (void)
42{
43 pthread_mutex_t m;
44
45 int e = pthread_mutex_init (mutex: &m, ATTR);
46 if (!ATTR_NULL && e == ENOTSUP)
47 {
48 puts (s: "cannot support selected type of mutexes");
49 e = pthread_mutex_init (mutex: &m, NULL);
50 }
51 if (e != 0)
52 {
53 puts (s: "mutex_init failed");
54 return 1;
55 }
56
57 if (!ATTR_NULL && pthread_mutexattr_destroy (ATTR) != 0)
58 {
59 puts (s: "mutexattr_destroy failed");
60 return 1;
61 }
62
63 if (pthread_mutex_lock (mutex: &m) != 0)
64 {
65 puts (s: "1st mutex_lock failed");
66 return 1;
67 }
68
69 delayed_exit (seconds: 1);
70 /* This call should never return. */
71 xpthread_mutex_lock (mutex: &m);
72
73 puts (s: "2nd mutex_lock returned");
74 return 1;
75}
76

source code of glibc/sysdeps/pthread/tst-mutex6.c