]>
Commit | Line | Data |
---|---|---|
76a50749 UD |
1 | /* Copyright (C) 2002 Free Software Foundation, Inc. |
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 | |
16 | License along with the GNU C Library; if not, write to the Free | |
17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
18 | 02111-1307 USA. */ | |
19 | ||
20 | #include <errno.h> | |
21 | #include <pthread.h> | |
22 | #include <stdlib.h> | |
23 | #include <stdio.h> | |
24 | #include <string.h> | |
25 | #include <sys/time.h> | |
26 | ||
27 | ||
28 | static int kind[] = | |
29 | { | |
30 | PTHREAD_RWLOCK_PREFER_READER_NP, | |
31 | PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP, | |
32 | PTHREAD_RWLOCK_PREFER_WRITER_NP, | |
33 | }; | |
34 | ||
35 | ||
36 | static void * | |
37 | tf (void *arg) | |
38 | { | |
39 | pthread_rwlock_t *r = arg; | |
40 | ||
41 | /* Timeout: 0.3 secs. */ | |
42 | struct timeval tv; | |
43 | (void) gettimeofday (&tv, NULL); | |
44 | ||
45 | struct timespec ts; | |
46 | TIMEVAL_TO_TIMESPEC (&tv, &ts); | |
47 | ts.tv_nsec += 300000000; | |
48 | if (ts.tv_nsec >= 1000000000) | |
49 | { | |
50 | ts.tv_nsec -= 1000000000; | |
51 | ++ts.tv_sec; | |
52 | } | |
53 | ||
54 | int err = pthread_rwlock_timedrdlock (r, &ts); | |
55 | if (err == 0) | |
56 | { | |
57 | puts ("rwlock_timedrdlock returned"); | |
58 | pthread_exit ((void *) 1l); | |
59 | } | |
60 | ||
61 | if (err != ETIMEDOUT) | |
62 | { | |
63 | printf ("err = %s (%d), expected %s (%d)\n", | |
64 | strerror (err), err, strerror (ETIMEDOUT), ETIMEDOUT); | |
65 | pthread_exit ((void *) 1l); | |
66 | } | |
67 | ||
68 | struct timeval tv2; | |
69 | (void) gettimeofday (&tv2, NULL); | |
70 | ||
71 | timersub (&tv2, &tv, &tv); | |
72 | ||
73 | if (tv.tv_usec < 200000) | |
74 | { | |
75 | puts ("timeout too short"); | |
76 | pthread_exit ((void *) 1l); | |
77 | } | |
78 | ||
79 | return NULL; | |
80 | } | |
81 | ||
82 | ||
83 | static int | |
84 | do_test (void) | |
85 | { | |
86 | int cnt; | |
87 | for (cnt = 0; cnt < sizeof (kind) / sizeof (kind[0]); ++cnt) | |
88 | { | |
89 | pthread_rwlock_t r; | |
90 | pthread_rwlockattr_t a; | |
91 | ||
92 | if (pthread_rwlockattr_init (&a) != 0) | |
93 | { | |
94 | printf ("round %d: rwlockattr_t failed\n", cnt); | |
95 | exit (1); | |
96 | } | |
97 | ||
98 | if (pthread_rwlockattr_setkind_np (&a, kind[cnt]) != 0) | |
99 | { | |
100 | printf ("round %d: rwlockattr_setkind failed\n", cnt); | |
101 | exit (1); | |
102 | } | |
103 | ||
104 | if (pthread_rwlock_init (&r, &a) != 0) | |
105 | { | |
106 | printf ("round %d: rwlock_init failed\n", cnt); | |
107 | exit (1); | |
108 | } | |
109 | ||
110 | if (pthread_rwlockattr_destroy (&a) != 0) | |
111 | { | |
112 | printf ("round %d: rwlockattr_destroy failed\n", cnt); | |
113 | exit (1); | |
114 | } | |
115 | ||
116 | struct timeval tv; | |
117 | (void) gettimeofday (&tv, NULL); | |
118 | ||
119 | struct timespec ts; | |
120 | TIMEVAL_TO_TIMESPEC (&tv, &ts); | |
121 | ||
122 | ++ts.tv_sec; | |
123 | ||
124 | /* Get a write lock. */ | |
125 | if (pthread_rwlock_timedwrlock (&r, &ts) != 0) | |
126 | { | |
127 | printf ("round %d: rwlock_wrlock failed\n", cnt); | |
128 | exit (1); | |
129 | } | |
130 | ||
131 | pthread_t th; | |
132 | if (pthread_create (&th, NULL, tf, &r) != 0) | |
133 | { | |
134 | printf ("round %d: create failed\n", cnt); | |
135 | exit (1); | |
136 | } | |
137 | ||
138 | void *status; | |
139 | if (pthread_join (th, &status) != 0) | |
140 | { | |
141 | printf ("round %d: join failed\n", cnt); | |
142 | exit (1); | |
143 | } | |
144 | if (status != NULL) | |
145 | { | |
146 | printf ("failure in round %d\n", cnt); | |
147 | exit (1); | |
148 | } | |
149 | ||
150 | if (pthread_rwlock_destroy (&r) != 0) | |
151 | { | |
152 | printf ("round %d: rwlock_destroy failed\n", cnt); | |
153 | exit (1); | |
154 | } | |
155 | } | |
156 | ||
157 | return 0; | |
158 | } | |
159 | ||
160 | #define TEST_FUNCTION do_test () | |
161 | #include "../test-skeleton.c" |