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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 <time.h> | |
23 | #include <unistd.h> | |
24 | #include <sys/time.h> | |
e401d5ca | 25 | #include <stdint.h> |
68cc2935 | 26 | #include <config.h> |
ce5b73a7 MC |
27 | #include <support/check.h> |
28 | #include <support/timespec.h> | |
76a50749 | 29 | |
71eeae03 AZ |
30 | #ifdef ENABLE_PP |
31 | #include "tst-tpp.h" | |
32 | #endif | |
76a50749 | 33 | |
2c0b891a UD |
34 | #ifndef TYPE |
35 | # define TYPE PTHREAD_MUTEX_NORMAL | |
36 | #endif | |
37 | ||
9d20e22e MC |
38 | /* A bogus clock value that tells run_test to use |
39 | pthread_mutex_timedlock rather than pthread_mutex_clocklock. */ | |
40 | #define CLOCK_USE_TIMEDLOCK (-1) | |
2c0b891a | 41 | |
76a50749 | 42 | static int |
9d20e22e | 43 | do_test_clock (clockid_t clockid, const char *fnname) |
76a50749 UD |
44 | { |
45 | pthread_mutex_t m; | |
2c0b891a | 46 | pthread_mutexattr_t a; |
9d20e22e MC |
47 | const clockid_t clockid_for_get = |
48 | (clockid == CLOCK_USE_TIMEDLOCK) ? CLOCK_REALTIME : clockid; | |
2c0b891a | 49 | |
ce5b73a7 MC |
50 | TEST_COMPARE (pthread_mutexattr_init (&a), 0); |
51 | TEST_COMPARE (pthread_mutexattr_settype (&a, TYPE), 0); | |
76a50749 | 52 | |
71eeae03 | 53 | #if defined ENABLE_PI |
ce5b73a7 | 54 | TEST_COMPARE (pthread_mutexattr_setprotocol (&a, PTHREAD_PRIO_INHERIT), 0); |
71eeae03 AZ |
55 | #elif defined ENABLE_PP |
56 | TEST_COMPARE (pthread_mutexattr_setprotocol (&a, PTHREAD_PRIO_PROTECT), 0); | |
57 | TEST_COMPARE (pthread_mutexattr_setprioceiling (&a, 6), 0); | |
df47504c UD |
58 | #endif |
59 | ||
ce5b73a7 | 60 | int err = pthread_mutex_init (&m, &a); |
df47504c UD |
61 | if (err != 0) |
62 | { | |
63 | #ifdef ENABLE_PI | |
64 | if (err == ENOTSUP) | |
ce5b73a7 | 65 | FAIL_UNSUPPORTED ("PI mutexes unsupported"); |
df47504c | 66 | #endif |
ce5b73a7 | 67 | FAIL_EXIT1 ("mutex_init failed"); |
76a50749 UD |
68 | } |
69 | ||
ce5b73a7 MC |
70 | TEST_COMPARE (pthread_mutexattr_destroy (&a), 0); |
71 | TEST_COMPARE (pthread_mutex_lock (&m), 0); | |
76a50749 | 72 | if (pthread_mutex_trylock (&m) == 0) |
ce5b73a7 | 73 | FAIL_EXIT1 ("mutex_trylock succeeded"); |
76a50749 | 74 | |
ce5b73a7 | 75 | /* Wait 2 seconds. */ |
9d20e22e | 76 | struct timespec ts_timeout = timespec_add (xclock_now (clockid_for_get), |
ce5b73a7 | 77 | make_timespec (2, 0)); |
76a50749 | 78 | |
9d20e22e MC |
79 | if (clockid == CLOCK_USE_TIMEDLOCK) |
80 | TEST_COMPARE (pthread_mutex_timedlock (&m, &ts_timeout), ETIMEDOUT); | |
81 | else | |
82 | TEST_COMPARE (pthread_mutex_clocklock (&m, clockid, &ts_timeout), | |
83 | ETIMEDOUT); | |
84 | TEST_TIMESPEC_BEFORE_NOW (ts_timeout, clockid_for_get); | |
1c82b97f | 85 | |
1c82b97f | 86 | /* The following makes the ts value invalid. */ |
ce5b73a7 | 87 | ts_timeout.tv_nsec += 1000000000; |
1c82b97f | 88 | |
9d20e22e MC |
89 | if (clockid == CLOCK_USE_TIMEDLOCK) |
90 | TEST_COMPARE (pthread_mutex_timedlock (&m, &ts_timeout), EINVAL); | |
91 | else | |
92 | TEST_COMPARE (pthread_mutex_clocklock (&m, clockid, &ts_timeout), EINVAL); | |
ce5b73a7 | 93 | TEST_COMPARE (pthread_mutex_unlock (&m), 0); |
1c82b97f | 94 | |
ce5b73a7 | 95 | const struct timespec ts_start = xclock_now (CLOCK_REALTIME); |
76a50749 | 96 | |
ce5b73a7 MC |
97 | /* Wait 2 seconds. */ |
98 | ts_timeout = timespec_add (ts_start, make_timespec (2, 0)); | |
1c82b97f | 99 | |
9d20e22e MC |
100 | if (clockid == CLOCK_USE_TIMEDLOCK) |
101 | TEST_COMPARE (pthread_mutex_timedlock (&m, &ts_timeout), 0); | |
102 | else | |
103 | TEST_COMPARE (pthread_mutex_clocklock (&m, clockid, &ts_timeout), 0); | |
1c82b97f | 104 | |
9d20e22e | 105 | const struct timespec ts_end = xclock_now (clockid_for_get); |
1c82b97f UD |
106 | |
107 | /* Check that timedlock didn't delay. We use a limit of 0.1 secs. */ | |
ce5b73a7 MC |
108 | TEST_TIMESPEC_BEFORE (ts_end, |
109 | timespec_add (ts_start, make_timespec (0, 100000000))); | |
1c82b97f | 110 | |
ce5b73a7 MC |
111 | TEST_COMPARE (pthread_mutex_unlock (&m), 0); |
112 | TEST_COMPARE (pthread_mutex_destroy (&m), 0); | |
76a50749 UD |
113 | |
114 | return 0; | |
115 | } | |
116 | ||
9d20e22e MC |
117 | static int do_test (void) |
118 | { | |
71eeae03 AZ |
119 | #ifdef ENABLE_PP |
120 | init_tpp_test (); | |
121 | #endif | |
122 | ||
9d20e22e MC |
123 | do_test_clock (CLOCK_USE_TIMEDLOCK, "timedlock"); |
124 | do_test_clock (CLOCK_REALTIME, "clocklock(realtime)"); | |
74f418b2 | 125 | #ifndef ENABLE_PI |
9d20e22e | 126 | do_test_clock (CLOCK_MONOTONIC, "clocklock(monotonic)"); |
74f418b2 | 127 | #endif |
9d20e22e MC |
128 | return 0; |
129 | } | |
130 | ||
ce5b73a7 | 131 | #include <support/test-driver.c> |