136 lines
3.5 KiB
C
136 lines
3.5 KiB
C
/* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "fspr.h"
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#if APR_HAS_THREADS
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#include "fspr_arch_thread_mutex.h"
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#include "fspr_arch_thread_cond.h"
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static fspr_status_t thread_cond_cleanup(void *data)
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{
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fspr_thread_cond_t *cond = (fspr_thread_cond_t *)data;
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fspr_status_t rv;
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rv = pthread_cond_destroy(&cond->cond);
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#ifdef PTHREAD_SETS_ERRNO
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if (rv) {
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rv = errno;
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}
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#endif
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return rv;
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}
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APR_DECLARE(fspr_status_t) fspr_thread_cond_create(fspr_thread_cond_t **cond,
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fspr_pool_t *pool)
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{
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fspr_thread_cond_t *new_cond;
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fspr_status_t rv;
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new_cond = fspr_palloc(pool, sizeof(fspr_thread_cond_t));
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new_cond->pool = pool;
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if ((rv = pthread_cond_init(&new_cond->cond, NULL))) {
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#ifdef PTHREAD_SETS_ERRNO
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rv = errno;
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#endif
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return rv;
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}
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fspr_pool_cleanup_register(new_cond->pool,
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(void *)new_cond, thread_cond_cleanup,
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fspr_pool_cleanup_null);
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*cond = new_cond;
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return APR_SUCCESS;
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}
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APR_DECLARE(fspr_status_t) fspr_thread_cond_wait(fspr_thread_cond_t *cond,
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fspr_thread_mutex_t *mutex)
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{
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fspr_status_t rv;
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rv = pthread_cond_wait(&cond->cond, &mutex->mutex);
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#ifdef PTHREAD_SETS_ERRNO
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if (rv) {
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rv = errno;
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}
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#endif
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return rv;
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}
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APR_DECLARE(fspr_status_t) fspr_thread_cond_timedwait(fspr_thread_cond_t *cond,
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fspr_thread_mutex_t *mutex,
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fspr_interval_time_t timeout)
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{
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fspr_status_t rv;
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fspr_time_t then;
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struct timespec abstime;
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then = fspr_time_now() + timeout;
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abstime.tv_sec = fspr_time_sec(then);
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abstime.tv_nsec = fspr_time_usec(then) * 1000; /* nanoseconds */
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rv = pthread_cond_timedwait(&cond->cond, &mutex->mutex, &abstime);
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#ifdef PTHREAD_SETS_ERRNO
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if (rv) {
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rv = errno;
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}
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#endif
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if (ETIMEDOUT == rv) {
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return APR_TIMEUP;
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}
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return rv;
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}
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APR_DECLARE(fspr_status_t) fspr_thread_cond_signal(fspr_thread_cond_t *cond)
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{
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fspr_status_t rv;
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rv = pthread_cond_signal(&cond->cond);
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#ifdef PTHREAD_SETS_ERRNO
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if (rv) {
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rv = errno;
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}
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#endif
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return rv;
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}
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APR_DECLARE(fspr_status_t) fspr_thread_cond_broadcast(fspr_thread_cond_t *cond)
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{
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fspr_status_t rv;
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rv = pthread_cond_broadcast(&cond->cond);
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#ifdef PTHREAD_SETS_ERRNO
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if (rv) {
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rv = errno;
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}
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#endif
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return rv;
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}
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APR_DECLARE(fspr_status_t) fspr_thread_cond_destroy(fspr_thread_cond_t *cond)
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{
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return fspr_pool_cleanup_run(cond->pool, cond, thread_cond_cleanup);
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}
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APR_POOL_IMPLEMENT_ACCESSOR(thread_cond)
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#endif /* APR_HAS_THREADS */
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