diff options
Diffstat (limited to 'rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_cond.c')
| -rw-r--r-- | rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_cond.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_cond.c b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_cond.c new file mode 100644 index 00000000..46d770f1 --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_cond.c @@ -0,0 +1,152 @@ +/* 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 PTHREAD_SETS_ERRNO + 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_thread_cond_t *)apr_pcalloc(pool, + sizeof(apr_thread_cond_t)); + + if (new_cond == NULL) { + return APR_ENOMEM; + } + + new_cond->pool = pool; + new_cond->cond = (pthread_cond_t *)apr_palloc(pool, + sizeof(pthread_cond_t)); + + if (new_cond->cond == NULL) { + return APR_ENOMEM; + } + + if ((rv = pthread_cond_init(new_cond->cond, NULL))) { +#ifdef PTHREAD_SETS_ERRNO + rv = errno; +#endif + thread_cond_cleanup(new_cond); + 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 PTHREAD_SETS_ERRNO + 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; + 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 PTHREAD_SETS_ERRNO + 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 PTHREAD_SETS_ERRNO + 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 PTHREAD_SETS_ERRNO + if (rv) { + rv = errno; + } +#endif + return rv; +} + +APR_DECLARE(apr_status_t) apr_thread_cond_destroy(apr_thread_cond_t *cond) +{ + apr_status_t rv; + if ((rv = thread_cond_cleanup(cond)) == APR_SUCCESS) { + apr_pool_cleanup_kill(cond->pool, cond, thread_cond_cleanup); + return APR_SUCCESS; + } + return rv; +} + +APR_POOL_IMPLEMENT_ACCESSOR(thread_cond) + +#endif /* APR_HAS_THREADS */ |