1/* Copyright (C) 2002-2024 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 <stdio.h>
20#include <errno.h>
21#include <stdbool.h>
22#include <libc-diag.h>
23
24#ifndef ATTR
25# define ATTR NULL
26# define ATTR_NULL true
27#endif
28
29
30static int
31do_test (void)
32{
33 pthread_mutex_t m;
34
35 int e = pthread_mutex_init (mutex: &m, ATTR);
36 if (!ATTR_NULL && e == ENOTSUP)
37 {
38 puts (s: "cannot support selected type of mutexes");
39 return 0;
40 }
41 else if (e != 0)
42 {
43 puts (s: "mutex_init failed");
44 return 1;
45 }
46
47 /* This deliberately tests supplying a null pointer to a function whose
48 argument is marked __attribute__ ((nonnull)). */
49 DIAG_PUSH_NEEDS_COMMENT;
50 DIAG_IGNORE_NEEDS_COMMENT (5, "-Wnonnull");
51 if (!ATTR_NULL && pthread_mutexattr_destroy (ATTR) != 0)
52 {
53 puts (s: "mutexattr_destroy failed");
54 return 1;
55 }
56 DIAG_POP_NEEDS_COMMENT;
57
58 if (pthread_mutex_lock (mutex: &m) != 0)
59 {
60 puts (s: "mutex_lock failed");
61 return 1;
62 }
63
64 if (pthread_mutex_unlock (mutex: &m) != 0)
65 {
66 puts (s: "mutex_unlock failed");
67 return 1;
68 }
69
70 if (pthread_mutex_destroy (mutex: &m) != 0)
71 {
72 puts (s: "mutex_destroy failed");
73 return 1;
74 }
75
76 return 0;
77}
78
79#ifndef TEST_FUNCTION
80# define TEST_FUNCTION do_test ()
81#endif
82#include "../test-skeleton.c"
83

source code of glibc/sysdeps/pthread/tst-mutex1.c