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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 <stdlib.h> | |
22 | #include <stdio.h> | |
23 | #include <string.h> | |
24 | #include <sys/time.h> | |
495514ee MC |
25 | #include <support/check.h> |
26 | #include <support/timespec.h> | |
27 | #include <support/xthread.h> | |
28 | #include <support/xtime.h> | |
76a50749 UD |
29 | |
30 | ||
e996fa72 MC |
31 | /* A bogus clock value that tells run_test to use pthread_rwlock_timedrdlock |
32 | and pthread_rwlock_timedwrlock rather than pthread_rwlock_clockrdlock and | |
33 | pthread_rwlock_clockwrlock. */ | |
34 | #define CLOCK_USE_TIMEDLOCK (-1) | |
35 | ||
76a50749 UD |
36 | static int kind[] = |
37 | { | |
38 | PTHREAD_RWLOCK_PREFER_READER_NP, | |
39 | PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP, | |
40 | PTHREAD_RWLOCK_PREFER_WRITER_NP, | |
41 | }; | |
42 | ||
e996fa72 MC |
43 | struct thread_args |
44 | { | |
45 | pthread_rwlock_t *rwlock; | |
46 | clockid_t clockid; | |
47 | const char *fnname; | |
48 | }; | |
76a50749 UD |
49 | |
50 | static void * | |
51 | tf (void *arg) | |
52 | { | |
e996fa72 MC |
53 | struct thread_args *args = arg; |
54 | pthread_rwlock_t *r = args->rwlock; | |
55 | const clockid_t clockid = args->clockid; | |
56 | const clockid_t clockid_for_get = | |
57 | (clockid == CLOCK_USE_TIMEDLOCK) ? CLOCK_REALTIME : clockid; | |
58 | const char *fnname = args->fnname; | |
76a50749 UD |
59 | |
60 | /* Timeout: 0.3 secs. */ | |
495514ee | 61 | struct timespec ts_start; |
e996fa72 | 62 | xclock_gettime (clockid_for_get, &ts_start); |
495514ee MC |
63 | const struct timespec ts_timeout = timespec_add (ts_start, |
64 | make_timespec (0, 300000000)); | |
76a50749 | 65 | |
e996fa72 MC |
66 | if (clockid == CLOCK_USE_TIMEDLOCK) |
67 | TEST_COMPARE (pthread_rwlock_timedwrlock (r, &ts_timeout), ETIMEDOUT); | |
68 | else | |
69 | TEST_COMPARE (pthread_rwlock_clockwrlock (r, clockid, &ts_timeout), | |
70 | ETIMEDOUT); | |
71 | printf ("child: %swrlock failed with ETIMEDOUT", fnname); | |
76a50749 | 72 | |
e996fa72 | 73 | TEST_TIMESPEC_NOW_OR_AFTER (clockid_for_get, ts_timeout); |
76a50749 | 74 | |
495514ee | 75 | struct timespec ts_invalid; |
e996fa72 | 76 | xclock_gettime (clockid_for_get, &ts_invalid); |
495514ee | 77 | ts_invalid.tv_sec += 10; |
0a37669a | 78 | /* Note that the following operation makes ts invalid. */ |
495514ee MC |
79 | ts_invalid.tv_nsec += 1000000000; |
80 | ||
e996fa72 MC |
81 | if (clockid == CLOCK_USE_TIMEDLOCK) |
82 | TEST_COMPARE (pthread_rwlock_timedwrlock (r, &ts_invalid), EINVAL); | |
83 | else | |
84 | TEST_COMPARE (pthread_rwlock_clockwrlock (r, clockid, &ts_invalid), EINVAL); | |
0a37669a | 85 | |
e996fa72 | 86 | printf ("child: %swrlock failed with EINVAL", fnname); |
0a37669a | 87 | |
76a50749 UD |
88 | return NULL; |
89 | } | |
90 | ||
91 | ||
92 | static int | |
e996fa72 | 93 | do_test_clock (clockid_t clockid, const char *fnname) |
76a50749 | 94 | { |
e996fa72 MC |
95 | const clockid_t clockid_for_get = |
96 | (clockid == CLOCK_USE_TIMEDLOCK) ? CLOCK_REALTIME : clockid; | |
f9657e88 | 97 | size_t cnt; |
76a50749 UD |
98 | for (cnt = 0; cnt < sizeof (kind) / sizeof (kind[0]); ++cnt) |
99 | { | |
100 | pthread_rwlock_t r; | |
101 | pthread_rwlockattr_t a; | |
102 | ||
103 | if (pthread_rwlockattr_init (&a) != 0) | |
495514ee | 104 | FAIL_EXIT1 ("round %Zu: rwlockattr_t failed\n", cnt); |
76a50749 UD |
105 | |
106 | if (pthread_rwlockattr_setkind_np (&a, kind[cnt]) != 0) | |
495514ee | 107 | FAIL_EXIT1 ("round %Zu: rwlockattr_setkind failed\n", cnt); |
76a50749 UD |
108 | |
109 | if (pthread_rwlock_init (&r, &a) != 0) | |
495514ee | 110 | FAIL_EXIT1 ("round %Zu: rwlock_init failed\n", cnt); |
76a50749 UD |
111 | |
112 | if (pthread_rwlockattr_destroy (&a) != 0) | |
495514ee | 113 | FAIL_EXIT1 ("round %Zu: rwlockattr_destroy failed\n", cnt); |
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114 | |
115 | struct timespec ts; | |
e996fa72 | 116 | xclock_gettime (clockid_for_get, &ts); |
76a50749 UD |
117 | |
118 | ++ts.tv_sec; | |
119 | ||
120 | /* Get a read lock. */ | |
e996fa72 MC |
121 | if (clockid == CLOCK_USE_TIMEDLOCK) { |
122 | if (pthread_rwlock_timedrdlock (&r, &ts) != 0) | |
123 | FAIL_EXIT1 ("round %Zu: rwlock_timedrdlock failed\n", cnt); | |
124 | } else { | |
125 | if (pthread_rwlock_clockrdlock (&r, clockid, &ts) != 0) | |
126 | FAIL_EXIT1 ("round %Zu: rwlock_%srdlock failed\n", cnt, fnname); | |
127 | } | |
128 | ||
129 | printf ("%zu: got %srdlock\n", cnt, fnname); | |
130 | ||
131 | struct thread_args args; | |
132 | args.rwlock = &r; | |
133 | args.clockid = clockid; | |
134 | args.fnname = fnname; | |
135 | pthread_t th = xpthread_create (NULL, tf, &args); | |
136 | void *status = xpthread_join (th); | |
76a50749 | 137 | if (status != NULL) |
495514ee | 138 | FAIL_EXIT1 ("failure in round %Zu\n", cnt); |
76a50749 UD |
139 | |
140 | if (pthread_rwlock_destroy (&r) != 0) | |
495514ee | 141 | FAIL_EXIT1 ("round %Zu: rwlock_destroy failed\n", cnt); |
76a50749 UD |
142 | } |
143 | ||
144 | return 0; | |
145 | } | |
146 | ||
e996fa72 MC |
147 | static int |
148 | do_test (void) | |
149 | { | |
150 | do_test_clock (CLOCK_USE_TIMEDLOCK, "timed"); | |
151 | do_test_clock (CLOCK_MONOTONIC, "clock(monotonic)"); | |
152 | do_test_clock (CLOCK_REALTIME, "clock(realtime)"); | |
153 | ||
154 | return 0; | |
155 | } | |
156 | ||
495514ee | 157 | #include <support/test-driver.c> |