1 /* Licensed to the Apache Software Foundation (ASF) under one or more
2 * contributor license agreements. See the NOTICE file distributed with
3 * this work for additional information regarding copyright ownership.
4 * The ASF licenses this file to You under the Apache License, Version 2.0
5 * (the "License"); you may not use this file except in compliance with
6 * the License. You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
21 #include "apr_arch_thread_mutex.h"
22 #include "apr_arch_thread_cond.h"
24 static apr_status_t thread_cond_cleanup(void *data)
26 apr_thread_cond_t *cond = (apr_thread_cond_t *)data;
29 rv = pthread_cond_destroy(cond->cond);
30 #ifdef PTHREAD_SETS_ERRNO
38 APR_DECLARE(apr_status_t) apr_thread_cond_create(apr_thread_cond_t **cond,
41 apr_thread_cond_t *new_cond;
44 new_cond = (apr_thread_cond_t *)apr_pcalloc(pool,
45 sizeof(apr_thread_cond_t));
47 if (new_cond == NULL) {
51 new_cond->pool = pool;
52 new_cond->cond = (pthread_cond_t *)apr_palloc(pool,
53 sizeof(pthread_cond_t));
55 if (new_cond->cond == NULL) {
59 if ((rv = pthread_cond_init(new_cond->cond, NULL))) {
60 #ifdef PTHREAD_SETS_ERRNO
63 thread_cond_cleanup(new_cond);
67 apr_pool_cleanup_register(new_cond->pool,
68 (void *)new_cond, thread_cond_cleanup,
69 apr_pool_cleanup_null);
75 APR_DECLARE(apr_status_t) apr_thread_cond_wait(apr_thread_cond_t *cond,
76 apr_thread_mutex_t *mutex)
80 rv = pthread_cond_wait(cond->cond, &mutex->mutex);
81 #ifdef PTHREAD_SETS_ERRNO
89 APR_DECLARE(apr_status_t) apr_thread_cond_timedwait(apr_thread_cond_t *cond,
90 apr_thread_mutex_t *mutex,
91 apr_interval_time_t timeout)
95 struct timespec abstime;
97 then = apr_time_now() + timeout;
98 abstime.tv_sec = apr_time_sec(then);
99 abstime.tv_nsec = apr_time_usec(then) * 1000; /* nanoseconds */
101 rv = pthread_cond_timedwait(cond->cond, &mutex->mutex, &abstime);
102 #ifdef PTHREAD_SETS_ERRNO
107 if (ETIMEDOUT == rv) {
114 APR_DECLARE(apr_status_t) apr_thread_cond_signal(apr_thread_cond_t *cond)
118 rv = pthread_cond_signal(cond->cond);
119 #ifdef PTHREAD_SETS_ERRNO
127 APR_DECLARE(apr_status_t) apr_thread_cond_broadcast(apr_thread_cond_t *cond)
131 rv = pthread_cond_broadcast(cond->cond);
132 #ifdef PTHREAD_SETS_ERRNO
140 APR_DECLARE(apr_status_t) apr_thread_cond_destroy(apr_thread_cond_t *cond)
143 if ((rv = thread_cond_cleanup(cond)) == APR_SUCCESS) {
144 apr_pool_cleanup_kill(cond->pool, cond, thread_cond_cleanup);
150 APR_POOL_IMPLEMENT_ACCESSOR(thread_cond)
152 #endif /* APR_HAS_THREADS */