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04277e02 | 1 | /* Copyright (C) 2004-2019 Free Software Foundation, Inc. |
46f4c578 UD |
2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2004. | |
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 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
46f4c578 UD |
18 | |
19 | #include <errno.h> | |
20 | #include <pthread.h> | |
21 | #include <stdio.h> | |
22 | #include <stdlib.h> | |
23 | #include <time.h> | |
24 | ||
25 | ||
26 | static pthread_barrier_t b; | |
27 | static pthread_rwlock_t r = PTHREAD_RWLOCK_INITIALIZER; | |
28 | ||
29 | ||
30 | static void * | |
31 | tf (void *arg) | |
32 | { | |
33 | /* Lock the read-write lock. */ | |
34 | if (pthread_rwlock_wrlock (&r) != 0) | |
35 | { | |
36 | puts ("tf: cannot lock rwlock"); | |
37 | exit (EXIT_FAILURE); | |
38 | } | |
39 | ||
3cabdafa | 40 | pthread_t mt = *(pthread_t *) arg; |
46f4c578 | 41 | |
3cabdafa | 42 | pthread_barrier_wait (&b); |
46f4c578 UD |
43 | |
44 | /* This call will never return. */ | |
3cabdafa | 45 | pthread_join (mt, NULL); |
46f4c578 UD |
46 | |
47 | return NULL; | |
48 | } | |
49 | ||
50 | ||
51 | static int | |
52 | do_test (void) | |
53 | { | |
54 | int result = 0; | |
55 | struct timespec ts; | |
56 | ||
57 | if (clock_gettime (CLOCK_REALTIME, &ts) != 0) | |
58 | { | |
59 | puts ("clock_gettime failed"); | |
60 | return 1; | |
61 | } | |
62 | ||
63 | if (pthread_barrier_init (&b, NULL, 2) != 0) | |
64 | { | |
65 | puts ("barrier_init failed"); | |
66 | return 1; | |
67 | } | |
68 | ||
69 | pthread_t me = pthread_self (); | |
70 | pthread_t th; | |
71 | if (pthread_create (&th, NULL, tf, &me) != 0) | |
72 | { | |
73 | puts ("create failed"); | |
74 | return 1; | |
75 | } | |
76 | ||
77 | /* Wait until the rwlock is locked. */ | |
78 | pthread_barrier_wait (&b); | |
79 | ||
80 | ts.tv_nsec = -1; | |
81 | ||
82 | int e = pthread_rwlock_timedrdlock (&r, &ts); | |
83 | if (e == 0) | |
84 | { | |
85 | puts ("first rwlock_timedrdlock did not fail"); | |
86 | result = 1; | |
87 | } | |
88 | else if (e != EINVAL) | |
89 | { | |
90 | puts ("first rwlock_timedrdlock did not return EINVAL"); | |
91 | result = 1; | |
92 | } | |
93 | ||
94 | e = pthread_rwlock_timedwrlock (&r, &ts); | |
95 | if (e == 0) | |
96 | { | |
97 | puts ("first rwlock_timedwrlock did not fail"); | |
98 | result = 1; | |
99 | } | |
100 | else if (e != EINVAL) | |
101 | { | |
102 | puts ("first rwlock_timedwrlock did not return EINVAL"); | |
103 | result = 1; | |
104 | } | |
105 | ||
38205402 | 106 | ts.tv_nsec = 1000000000; |
46f4c578 UD |
107 | |
108 | e = pthread_rwlock_timedrdlock (&r, &ts); | |
109 | if (e == 0) | |
110 | { | |
111 | puts ("second rwlock_timedrdlock did not fail"); | |
112 | result = 1; | |
113 | } | |
114 | else if (e != EINVAL) | |
115 | { | |
116 | puts ("second rwlock_timedrdlock did not return EINVAL"); | |
117 | result = 1; | |
118 | } | |
119 | ||
82849fde | 120 | e = pthread_rwlock_timedwrlock (&r, &ts); |
46f4c578 UD |
121 | if (e == 0) |
122 | { | |
82849fde | 123 | puts ("second rwlock_timedwrlock did not fail"); |
46f4c578 UD |
124 | result = 1; |
125 | } | |
126 | else if (e != EINVAL) | |
127 | { | |
82849fde | 128 | puts ("second rwlock_timedwrlock did not return EINVAL"); |
46f4c578 UD |
129 | result = 1; |
130 | } | |
131 | ||
1475e201 UD |
132 | ts.tv_nsec = (__typeof (ts.tv_nsec)) 0x100001000LL; |
133 | if ((__typeof (ts.tv_nsec)) 0x100001000LL != 0x100001000LL) | |
38205402 UD |
134 | ts.tv_nsec = 2000000000; |
135 | ||
136 | e = pthread_rwlock_timedrdlock (&r, &ts); | |
137 | if (e == 0) | |
138 | { | |
139 | puts ("third rwlock_timedrdlock did not fail"); | |
140 | result = 1; | |
141 | } | |
142 | else if (e != EINVAL) | |
143 | { | |
144 | puts ("third rwlock_timedrdlock did not return EINVAL"); | |
145 | result = 1; | |
146 | } | |
147 | ||
82849fde | 148 | e = pthread_rwlock_timedwrlock (&r, &ts); |
38205402 UD |
149 | if (e == 0) |
150 | { | |
82849fde | 151 | puts ("third rwlock_timedwrlock did not fail"); |
38205402 UD |
152 | result = 1; |
153 | } | |
154 | else if (e != EINVAL) | |
155 | { | |
82849fde | 156 | puts ("third rwlock_timedwrlock did not return EINVAL"); |
38205402 UD |
157 | result = 1; |
158 | } | |
159 | ||
46f4c578 UD |
160 | if (result == 0) |
161 | puts ("no bugs"); | |
162 | ||
163 | return result; | |
164 | } | |
165 | ||
166 | ||
167 | #define TEST_FUNCTION do_test () | |
168 | #include "../test-skeleton.c" |