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 <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 
30 static int
do_test(void)31 do_test (void)
32 {
33   pthread_mutex_t m;
34 
35   int e = pthread_mutex_init (&m, ATTR);
36   if (!ATTR_NULL && e == ENOTSUP)
37     {
38       puts ("cannot support selected type of mutexes");
39       return 0;
40     }
41   else if (e != 0)
42     {
43       puts ("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 ("mutexattr_destroy failed");
54       return 1;
55     }
56   DIAG_POP_NEEDS_COMMENT;
57 
58   if (pthread_mutex_lock (&m) != 0)
59     {
60       puts ("mutex_lock failed");
61       return 1;
62     }
63 
64   if (pthread_mutex_unlock (&m) != 0)
65     {
66       puts ("mutex_unlock failed");
67       return 1;
68     }
69 
70   if (pthread_mutex_destroy (&m) != 0)
71     {
72       puts ("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