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04277e02 | 1 | /* Copyright (C) 2002-2019 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 UD |
29 | |
30 | ||
2c0b891a UD |
31 | #ifndef TYPE |
32 | # define TYPE PTHREAD_MUTEX_NORMAL | |
33 | #endif | |
34 | ||
9d20e22e MC |
35 | /* A bogus clock value that tells run_test to use |
36 | pthread_mutex_timedlock rather than pthread_mutex_clocklock. */ | |
37 | #define CLOCK_USE_TIMEDLOCK (-1) | |
2c0b891a | 38 | |
76a50749 | 39 | static int |
9d20e22e | 40 | do_test_clock (clockid_t clockid, const char *fnname) |
76a50749 UD |
41 | { |
42 | pthread_mutex_t m; | |
2c0b891a | 43 | pthread_mutexattr_t a; |
9d20e22e MC |
44 | const clockid_t clockid_for_get = |
45 | (clockid == CLOCK_USE_TIMEDLOCK) ? CLOCK_REALTIME : clockid; | |
2c0b891a | 46 | |
ce5b73a7 MC |
47 | TEST_COMPARE (pthread_mutexattr_init (&a), 0); |
48 | TEST_COMPARE (pthread_mutexattr_settype (&a, TYPE), 0); | |
76a50749 | 49 | |
df47504c | 50 | #ifdef ENABLE_PI |
ce5b73a7 | 51 | TEST_COMPARE (pthread_mutexattr_setprotocol (&a, PTHREAD_PRIO_INHERIT), 0); |
df47504c UD |
52 | #endif |
53 | ||
ce5b73a7 | 54 | int err = pthread_mutex_init (&m, &a); |
df47504c UD |
55 | if (err != 0) |
56 | { | |
57 | #ifdef ENABLE_PI | |
58 | if (err == ENOTSUP) | |
ce5b73a7 | 59 | FAIL_UNSUPPORTED ("PI mutexes unsupported"); |
df47504c | 60 | #endif |
ce5b73a7 | 61 | FAIL_EXIT1 ("mutex_init failed"); |
76a50749 UD |
62 | } |
63 | ||
ce5b73a7 MC |
64 | TEST_COMPARE (pthread_mutexattr_destroy (&a), 0); |
65 | TEST_COMPARE (pthread_mutex_lock (&m), 0); | |
76a50749 | 66 | if (pthread_mutex_trylock (&m) == 0) |
ce5b73a7 | 67 | FAIL_EXIT1 ("mutex_trylock succeeded"); |
76a50749 | 68 | |
ce5b73a7 | 69 | /* Wait 2 seconds. */ |
9d20e22e | 70 | struct timespec ts_timeout = timespec_add (xclock_now (clockid_for_get), |
ce5b73a7 | 71 | make_timespec (2, 0)); |
76a50749 | 72 | |
9d20e22e MC |
73 | if (clockid == CLOCK_USE_TIMEDLOCK) |
74 | TEST_COMPARE (pthread_mutex_timedlock (&m, &ts_timeout), ETIMEDOUT); | |
75 | else | |
76 | TEST_COMPARE (pthread_mutex_clocklock (&m, clockid, &ts_timeout), | |
77 | ETIMEDOUT); | |
78 | TEST_TIMESPEC_BEFORE_NOW (ts_timeout, clockid_for_get); | |
1c82b97f | 79 | |
1c82b97f | 80 | /* The following makes the ts value invalid. */ |
ce5b73a7 | 81 | ts_timeout.tv_nsec += 1000000000; |
1c82b97f | 82 | |
9d20e22e MC |
83 | if (clockid == CLOCK_USE_TIMEDLOCK) |
84 | TEST_COMPARE (pthread_mutex_timedlock (&m, &ts_timeout), EINVAL); | |
85 | else | |
86 | TEST_COMPARE (pthread_mutex_clocklock (&m, clockid, &ts_timeout), EINVAL); | |
ce5b73a7 | 87 | TEST_COMPARE (pthread_mutex_unlock (&m), 0); |
1c82b97f | 88 | |
ce5b73a7 | 89 | const struct timespec ts_start = xclock_now (CLOCK_REALTIME); |
76a50749 | 90 | |
ce5b73a7 MC |
91 | /* Wait 2 seconds. */ |
92 | ts_timeout = timespec_add (ts_start, make_timespec (2, 0)); | |
1c82b97f | 93 | |
9d20e22e MC |
94 | if (clockid == CLOCK_USE_TIMEDLOCK) |
95 | TEST_COMPARE (pthread_mutex_timedlock (&m, &ts_timeout), 0); | |
96 | else | |
97 | TEST_COMPARE (pthread_mutex_clocklock (&m, clockid, &ts_timeout), 0); | |
1c82b97f | 98 | |
9d20e22e | 99 | const struct timespec ts_end = xclock_now (clockid_for_get); |
1c82b97f UD |
100 | |
101 | /* Check that timedlock didn't delay. We use a limit of 0.1 secs. */ | |
ce5b73a7 MC |
102 | TEST_TIMESPEC_BEFORE (ts_end, |
103 | timespec_add (ts_start, make_timespec (0, 100000000))); | |
1c82b97f | 104 | |
ce5b73a7 MC |
105 | TEST_COMPARE (pthread_mutex_unlock (&m), 0); |
106 | TEST_COMPARE (pthread_mutex_destroy (&m), 0); | |
76a50749 UD |
107 | |
108 | return 0; | |
109 | } | |
110 | ||
9d20e22e MC |
111 | static int do_test (void) |
112 | { | |
113 | do_test_clock (CLOCK_USE_TIMEDLOCK, "timedlock"); | |
114 | do_test_clock (CLOCK_REALTIME, "clocklock(realtime)"); | |
115 | do_test_clock (CLOCK_MONOTONIC, "clocklock(monotonic)"); | |
116 | return 0; | |
117 | } | |
118 | ||
ce5b73a7 | 119 | #include <support/test-driver.c> |