1 | /* Copyright (C) 2003-2024 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 <errno.h> |
19 | #include <pthread.h> |
20 | #include <stdio.h> |
21 | #include <time.h> |
22 | #include <unistd.h> |
23 | #include <support/check.h> |
24 | #include <support/test-driver.h> |
25 | #include <support/timespec.h> |
26 | #include <support/xthread.h> |
27 | #include <support/xtime.h> |
28 | |
29 | /* A bogus clock value that tells run_test to use pthread_cond_timedwait |
30 | rather than pthread_condclockwait. */ |
31 | #define CLOCK_USE_ATTR_CLOCK (-1) |
32 | |
33 | #if defined _POSIX_CLOCK_SELECTION && _POSIX_CLOCK_SELECTION >= 0 |
34 | static int |
35 | run_test (clockid_t attr_clock, clockid_t wait_clock) |
36 | { |
37 | pthread_condattr_t condattr; |
38 | pthread_cond_t cond; |
39 | pthread_mutexattr_t mutattr; |
40 | pthread_mutex_t mut; |
41 | |
42 | verbose_printf ("attr_clock = %d\n" , (int) attr_clock); |
43 | |
44 | TEST_COMPARE (pthread_condattr_init (&condattr), 0); |
45 | TEST_COMPARE (pthread_condattr_setclock (&condattr, attr_clock), 0); |
46 | |
47 | clockid_t attr_clock_read; |
48 | TEST_COMPARE (pthread_condattr_getclock (&condattr, &attr_clock_read), 0); |
49 | TEST_COMPARE (attr_clock, attr_clock_read); |
50 | |
51 | TEST_COMPARE (pthread_cond_init (&cond, &condattr), 0); |
52 | TEST_COMPARE (pthread_condattr_destroy (&condattr), 0); |
53 | |
54 | xpthread_mutexattr_init (&mutattr); |
55 | xpthread_mutexattr_settype (&mutattr, PTHREAD_MUTEX_ERRORCHECK); |
56 | xpthread_mutex_init (&mut, &mutattr); |
57 | xpthread_mutexattr_destroy (&mutattr); |
58 | |
59 | xpthread_mutex_lock (mutex: &mut); |
60 | TEST_COMPARE (pthread_mutex_lock (&mut), EDEADLK); |
61 | |
62 | struct timespec ts_timeout; |
63 | xclock_gettime (clock: wait_clock == CLOCK_USE_ATTR_CLOCK ? attr_clock : wait_clock, |
64 | ts: &ts_timeout); |
65 | |
66 | /* Wait one second. */ |
67 | ++ts_timeout.tv_sec; |
68 | |
69 | if (wait_clock == CLOCK_USE_ATTR_CLOCK) { |
70 | TEST_COMPARE (pthread_cond_timedwait (&cond, &mut, &ts_timeout), ETIMEDOUT); |
71 | TEST_TIMESPEC_BEFORE_NOW (ts_timeout, attr_clock); |
72 | } else { |
73 | TEST_COMPARE (pthread_cond_clockwait (&cond, &mut, wait_clock, &ts_timeout), |
74 | ETIMEDOUT); |
75 | TEST_TIMESPEC_BEFORE_NOW (ts_timeout, wait_clock); |
76 | } |
77 | |
78 | xpthread_mutex_unlock (mutex: &mut); |
79 | xpthread_mutex_destroy (&mut); |
80 | TEST_COMPARE (pthread_cond_destroy (&cond), 0); |
81 | |
82 | return 0; |
83 | } |
84 | #endif |
85 | |
86 | |
87 | static int |
88 | do_test (void) |
89 | { |
90 | #if !defined _POSIX_CLOCK_SELECTION || _POSIX_CLOCK_SELECTION == -1 |
91 | |
92 | FAIL_UNSUPPORTED ("_POSIX_CLOCK_SELECTION not supported, test skipped" ); |
93 | |
94 | #else |
95 | |
96 | run_test (CLOCK_REALTIME, CLOCK_USE_ATTR_CLOCK); |
97 | |
98 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
99 | # if _POSIX_MONOTONIC_CLOCK == 0 |
100 | int e = sysconf (_SC_MONOTONIC_CLOCK); |
101 | if (e < 0) |
102 | puts (s: "CLOCK_MONOTONIC not supported" ); |
103 | else if (e == 0) |
104 | FAIL_RET ("sysconf (_SC_MONOTONIC_CLOCK) must not return 0" ); |
105 | else |
106 | # endif |
107 | { |
108 | run_test (CLOCK_MONOTONIC, CLOCK_USE_ATTR_CLOCK); |
109 | run_test (CLOCK_REALTIME, CLOCK_MONOTONIC); |
110 | run_test (CLOCK_MONOTONIC, CLOCK_MONOTONIC); |
111 | run_test (CLOCK_MONOTONIC, CLOCK_REALTIME); |
112 | } |
113 | # else |
114 | puts ("_POSIX_MONOTONIC_CLOCK not defined" ); |
115 | # endif |
116 | |
117 | return 0; |
118 | #endif |
119 | } |
120 | |
121 | #include <support/test-driver.c> |
122 | |