1 /****************************************************************************
3 * Copyright (C) 2000 Jason Evans <jasone@freebsd.org>.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice(s), this list of conditions and the following disclaimer as
11 * the first lines of this file unmodified other than the possible
12 * addition of one or more copyright notices.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice(s), this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
19 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
25 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
26 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
27 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
28 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 ****************************************************************************
34 * $FreeBSD: src/lib/libc_r/test/sem_d.c,v 1.1.2.2 2001/06/22 21:44:27 jasone Exp $
36 ****************************************************************************/
43 #include <semaphore.h>
50 sem_t * sem = (sem_t *) a_arg;
53 fprintf(stderr, "Got semaphore\n");
62 pthread_t threads[NTHREADS];
66 fprintf(stderr, "Test begin\n");
69 assert(-1 == sem_init(&sem_b, 1, 0));
70 assert(EPERM == errno);
73 assert(0 == sem_init(&sem_b, 0, 0));
74 assert(0 == sem_getvalue(&sem_b, &val));
77 assert(0 == sem_post(&sem_b));
78 assert(0 == sem_getvalue(&sem_b, &val));
81 assert(0 == sem_wait(&sem_b));
82 assert(-1 == sem_trywait(&sem_b));
83 assert(EAGAIN == errno);
84 assert(0 == sem_post(&sem_b));
85 assert(0 == sem_trywait(&sem_b));
86 assert(0 == sem_post(&sem_b));
87 assert(0 == sem_wait(&sem_b));
88 assert(0 == sem_post(&sem_b));
91 assert(SEM_FAILED == sem_open("/foo", O_CREAT | O_EXCL, 0644, 0));
92 assert(ENOSYS == errno);
94 assert(-1 == sem_close(&sem_b));
95 assert(ENOSYS == errno);
97 assert(-1 == sem_unlink("/foo"));
98 assert(ENOSYS == errno);
101 assert(0 == sem_destroy(&sem_b));
103 assert(0 == sem_init(&sem_a, 0, 0));
105 for (i = 0; i < NTHREADS; i++) {
106 pthread_create(&threads[i], NULL, entry, (void *) &sem_a);
109 for (i = 0; i < NTHREADS; i++) {
110 assert(0 == sem_post(&sem_a));
113 for (i = 0; i < NTHREADS; i++) {
114 pthread_join(threads[i], NULL);
117 for (i = 0; i < NTHREADS; i++) {
118 pthread_create(&threads[i], NULL, entry, (void *) &sem_a);
121 for (i = 0; i < NTHREADS; i++) {
122 assert(0 == sem_post(&sem_a));
125 for (i = 0; i < NTHREADS; i++) {
126 pthread_join(threads[i], NULL);
129 assert(0 == sem_destroy(&sem_a));
131 fprintf(stderr, "Test end\n");