| /* Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "apr.h" |
| |
| #if APR_HAS_THREADS |
| |
| #include "apr_arch_thread_mutex.h" |
| #include "apr_arch_thread_cond.h" |
| |
| static apr_status_t thread_cond_cleanup(void *data) |
| { |
| apr_thread_cond_t *cond = (apr_thread_cond_t *)data; |
| apr_status_t rv; |
| |
| rv = pthread_cond_destroy(&cond->cond); |
| #ifdef HAVE_ZOS_PTHREADS |
| if (rv) { |
| rv = errno; |
| } |
| #endif |
| return rv; |
| } |
| |
| APR_DECLARE(apr_status_t) apr_thread_cond_create(apr_thread_cond_t **cond, |
| apr_pool_t *pool) |
| { |
| apr_thread_cond_t *new_cond; |
| apr_status_t rv; |
| |
| new_cond = apr_palloc(pool, sizeof(apr_thread_cond_t)); |
| |
| new_cond->pool = pool; |
| |
| if ((rv = pthread_cond_init(&new_cond->cond, NULL))) { |
| #ifdef HAVE_ZOS_PTHREADS |
| rv = errno; |
| #endif |
| return rv; |
| } |
| |
| apr_pool_cleanup_register(new_cond->pool, |
| (void *)new_cond, thread_cond_cleanup, |
| apr_pool_cleanup_null); |
| |
| *cond = new_cond; |
| return APR_SUCCESS; |
| } |
| |
| APR_DECLARE(apr_status_t) apr_thread_cond_wait(apr_thread_cond_t *cond, |
| apr_thread_mutex_t *mutex) |
| { |
| apr_status_t rv; |
| |
| rv = pthread_cond_wait(&cond->cond, &mutex->mutex); |
| #ifdef HAVE_ZOS_PTHREADS |
| if (rv) { |
| rv = errno; |
| } |
| #endif |
| return rv; |
| } |
| |
| APR_DECLARE(apr_status_t) apr_thread_cond_timedwait(apr_thread_cond_t *cond, |
| apr_thread_mutex_t *mutex, |
| apr_interval_time_t timeout) |
| { |
| apr_status_t rv; |
| if (timeout < 0) { |
| rv = pthread_cond_wait(&cond->cond, &mutex->mutex); |
| #ifdef HAVE_ZOS_PTHREADS |
| if (rv) { |
| rv = errno; |
| } |
| #endif |
| } |
| else { |
| apr_time_t then; |
| struct timespec abstime; |
| |
| then = apr_time_now() + timeout; |
| abstime.tv_sec = apr_time_sec(then); |
| abstime.tv_nsec = apr_time_usec(then) * 1000; /* nanoseconds */ |
| |
| rv = pthread_cond_timedwait(&cond->cond, &mutex->mutex, &abstime); |
| #ifdef HAVE_ZOS_PTHREADS |
| if (rv) { |
| rv = errno; |
| } |
| #endif |
| if (ETIMEDOUT == rv) { |
| return APR_TIMEUP; |
| } |
| } |
| return rv; |
| } |
| |
| |
| APR_DECLARE(apr_status_t) apr_thread_cond_signal(apr_thread_cond_t *cond) |
| { |
| apr_status_t rv; |
| |
| rv = pthread_cond_signal(&cond->cond); |
| #ifdef HAVE_ZOS_PTHREADS |
| if (rv) { |
| rv = errno; |
| } |
| #endif |
| return rv; |
| } |
| |
| APR_DECLARE(apr_status_t) apr_thread_cond_broadcast(apr_thread_cond_t *cond) |
| { |
| apr_status_t rv; |
| |
| rv = pthread_cond_broadcast(&cond->cond); |
| #ifdef HAVE_ZOS_PTHREADS |
| if (rv) { |
| rv = errno; |
| } |
| #endif |
| return rv; |
| } |
| |
| APR_DECLARE(apr_status_t) apr_thread_cond_destroy(apr_thread_cond_t *cond) |
| { |
| return apr_pool_cleanup_run(cond->pool, cond, thread_cond_cleanup); |
| } |
| |
| APR_POOL_IMPLEMENT_ACCESSOR(thread_cond) |
| |
| #endif /* APR_HAS_THREADS */ |