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2b778ceb | 1 | /* Copyright (C) 2002-2021 Free Software Foundation, Inc. |
76a50749 UD |
2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. | |
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 | |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
76a50749 UD |
18 | |
19 | #include <errno.h> | |
20 | #include <pthread.h> | |
21 | #include <stdio.h> | |
22 | #include <stdlib.h> | |
23 | #include <string.h> | |
24 | #include <time.h> | |
25 | #include <sys/time.h> | |
26 | ||
27 | ||
28 | static pthread_mutex_t mut; | |
29 | static pthread_cond_t cond = PTHREAD_COND_INITIALIZER; | |
30 | ||
31 | ||
32 | static int | |
33 | do_test (void) | |
34 | { | |
35 | pthread_mutexattr_t ma; | |
36 | int err; | |
37 | struct timespec ts; | |
38 | struct timeval tv; | |
39 | ||
40 | if (pthread_mutexattr_init (&ma) != 0) | |
41 | { | |
42 | puts ("mutexattr_init failed"); | |
43 | exit (1); | |
44 | } | |
45 | ||
46 | if (pthread_mutexattr_settype (&ma, PTHREAD_MUTEX_ERRORCHECK) != 0) | |
47 | { | |
48 | puts ("mutexattr_settype failed"); | |
49 | exit (1); | |
50 | } | |
51 | ||
52 | if (pthread_mutex_init (&mut, &ma) != 0) | |
53 | { | |
54 | puts ("mutex_init failed"); | |
55 | exit (1); | |
56 | } | |
57 | ||
58 | /* Get the mutex. */ | |
59 | if (pthread_mutex_lock (&mut) != 0) | |
60 | { | |
61 | puts ("mutex_lock failed"); | |
62 | exit (1); | |
63 | } | |
64 | ||
65 | /* Waiting for the condition will fail. But we want the timeout here. */ | |
66 | if (gettimeofday (&tv, NULL) != 0) | |
67 | { | |
68 | puts ("gettimeofday failed"); | |
69 | exit (1); | |
70 | } | |
71 | ||
72 | TIMEVAL_TO_TIMESPEC (&tv, &ts); | |
73 | ts.tv_nsec += 500000000; | |
74 | if (ts.tv_nsec >= 1000000000) | |
75 | { | |
76 | ts.tv_nsec -= 1000000000; | |
77 | ++ts.tv_sec; | |
78 | } | |
79 | err = pthread_cond_timedwait (&cond, &mut, &ts); | |
80 | if (err == 0) | |
81 | { | |
82 | /* This could in theory happen but here without any signal and | |
83 | additional waiter it should not. */ | |
84 | puts ("cond_timedwait succeeded"); | |
85 | exit (1); | |
86 | } | |
87 | else if (err != ETIMEDOUT) | |
88 | { | |
89 | printf ("cond_timedwait returned with %s\n", strerror (err)); | |
90 | exit (1); | |
91 | } | |
92 | ||
93 | err = pthread_mutex_unlock (&mut); | |
94 | if (err != 0) | |
95 | { | |
96 | printf ("mutex_unlock failed: %s\n", strerror (err)); | |
97 | exit (1); | |
98 | } | |
99 | ||
100 | return 0; | |
101 | } | |
102 | ||
103 | ||
104 | #define TEST_FUNCTION do_test () | |
105 | #include "../test-skeleton.c" |