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eaee348c AS |
1 | /* Test that pthread_mutex_timedlock properly times out. |
2 | Copyright (C) 2016 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 | <http://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #include <pthread.h> | |
20 | #include <stdio.h> | |
21 | #include <stdlib.h> | |
22 | #include <string.h> | |
23 | #include <errno.h> | |
24 | ||
25 | pthread_mutex_t mutex; | |
26 | ||
27 | static void * | |
28 | thr (void *arg) | |
29 | { | |
30 | struct timespec abstime; | |
31 | clock_gettime (CLOCK_REALTIME, &abstime); | |
32 | abstime.tv_sec += 1; | |
33 | int ret = pthread_mutex_timedlock (&mutex, &abstime); | |
34 | if (ret == 0) | |
35 | { | |
36 | puts ("mutex_timedlock didn't fail"); | |
37 | exit (1); | |
38 | } | |
39 | if (ret != ETIMEDOUT) | |
40 | { | |
41 | printf ("mutex_timedlock failed: %s\n", strerror (ret)); | |
42 | exit (1); | |
43 | } | |
44 | ||
45 | return 0; | |
46 | } | |
47 | ||
48 | static int | |
49 | do_test (void) | |
50 | { | |
51 | pthread_t pt; | |
52 | pthread_mutexattr_t ma; | |
53 | ||
54 | if (pthread_mutexattr_init (&ma) != 0) | |
55 | { | |
56 | puts ("mutexattr_init failed"); | |
57 | return 0; | |
58 | } | |
59 | if (pthread_mutexattr_setrobust_np (&ma, PTHREAD_MUTEX_ROBUST_NP) != 0) | |
60 | { | |
61 | puts ("mutexattr_setrobust failed"); | |
62 | return 1; | |
63 | } | |
64 | if (pthread_mutex_init (&mutex, &ma)) | |
65 | { | |
66 | puts ("mutex_init failed"); | |
67 | return 1; | |
68 | } | |
69 | ||
70 | if (pthread_mutexattr_destroy (&ma)) | |
71 | { | |
72 | puts ("mutexattr_destroy failed"); | |
73 | return 1; | |
74 | } | |
75 | ||
76 | if (pthread_mutex_lock (&mutex)) | |
77 | { | |
78 | puts ("mutex_lock failed"); | |
79 | return 1; | |
80 | } | |
81 | ||
82 | if (pthread_create (&pt, NULL, thr, NULL)) | |
83 | { | |
84 | puts ("pthread_create failed"); | |
85 | return 1; | |
86 | } | |
87 | ||
88 | if (pthread_join (pt, NULL)) | |
89 | { | |
90 | puts ("pthread_join failed"); | |
91 | return 1; | |
92 | } | |
93 | ||
94 | if (pthread_mutex_unlock (&mutex)) | |
95 | { | |
96 | puts ("mutex_unlock failed"); | |
97 | return 1; | |
98 | } | |
99 | ||
100 | if (pthread_mutex_destroy (&mutex)) | |
101 | { | |
102 | puts ("mutex_destroy failed"); | |
103 | return 1; | |
104 | } | |
105 | ||
106 | return 0; | |
107 | } | |
108 | ||
109 | #define TEST_FUNCTION do_test () | |
110 | #include "../test-skeleton.c" |