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author | 2015-11-30 01:45:08 -0500 | |
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committer | 2015-11-30 01:45:08 -0500 | |
commit | e8ec7aa8e38a93f5b034ac74cebce5de23710317 (patch) | |
tree | aa031937bf856c1f8d6ad7877b8d2cb0224da5ef /rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_mutex.c | |
parent | cc40af334e619bb549038238507407866f774f8f (diff) |
upload http
JIRA: BOTTLENECK-10
Change-Id: I7598427ff904df438ce77c2819ee48ac75ffa8da
Signed-off-by: hongbotian <hongbo.tianhongbo@huawei.com>
Diffstat (limited to 'rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_mutex.c')
-rw-r--r-- | rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_mutex.c | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_mutex.c b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_mutex.c new file mode 100644 index 00000000..e146a28f --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_mutex.c @@ -0,0 +1,138 @@ +/* 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_arch_thread_mutex.h" +#define APR_WANT_MEMFUNC +#include "apr_want.h" + +#if APR_HAS_THREADS + +static apr_status_t thread_mutex_cleanup(void *data) +{ + apr_thread_mutex_t *mutex = data; + apr_status_t rv; + + rv = pthread_mutex_destroy(&mutex->mutex); +#ifdef PTHREAD_SETS_ERRNO + if (rv) { + rv = errno; + } +#endif + return rv; +} + +APR_DECLARE(apr_status_t) apr_thread_mutex_create(apr_thread_mutex_t **mutex, + unsigned int flags, + apr_pool_t *pool) +{ + apr_thread_mutex_t *new_mutex; + apr_status_t rv; + +#ifndef HAVE_PTHREAD_MUTEX_RECURSIVE + if (flags & APR_THREAD_MUTEX_NESTED) { + return APR_ENOTIMPL; + } +#endif + + new_mutex = apr_pcalloc(pool, sizeof(apr_thread_mutex_t)); + new_mutex->pool = pool; + +#ifdef HAVE_PTHREAD_MUTEX_RECURSIVE + if (flags & APR_THREAD_MUTEX_NESTED) { + pthread_mutexattr_t mattr; + + rv = pthread_mutexattr_init(&mattr); + if (rv) return rv; + + rv = pthread_mutexattr_settype(&mattr, PTHREAD_MUTEX_RECURSIVE); + if (rv) { + pthread_mutexattr_destroy(&mattr); + return rv; + } + + rv = pthread_mutex_init(&new_mutex->mutex, &mattr); + + pthread_mutexattr_destroy(&mattr); + } else +#endif + rv = pthread_mutex_init(&new_mutex->mutex, NULL); + + if (rv) { +#ifdef PTHREAD_SETS_ERRNO + rv = errno; +#endif + return rv; + } + + apr_pool_cleanup_register(new_mutex->pool, + new_mutex, thread_mutex_cleanup, + apr_pool_cleanup_null); + + *mutex = new_mutex; + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_mutex_lock(apr_thread_mutex_t *mutex) +{ + apr_status_t rv; + + rv = pthread_mutex_lock(&mutex->mutex); +#ifdef PTHREAD_SETS_ERRNO + if (rv) { + rv = errno; + } +#endif + + return rv; +} + +APR_DECLARE(apr_status_t) apr_thread_mutex_trylock(apr_thread_mutex_t *mutex) +{ + apr_status_t rv; + + rv = pthread_mutex_trylock(&mutex->mutex); + if (rv) { +#ifdef PTHREAD_SETS_ERRNO + rv = errno; +#endif + return (rv == EBUSY) ? APR_EBUSY : rv; + } + + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_mutex_unlock(apr_thread_mutex_t *mutex) +{ + apr_status_t status; + + status = pthread_mutex_unlock(&mutex->mutex); +#ifdef PTHREAD_SETS_ERRNO + if (status) { + status = errno; + } +#endif + + return status; +} + +APR_DECLARE(apr_status_t) apr_thread_mutex_destroy(apr_thread_mutex_t *mutex) +{ + return apr_pool_cleanup_run(mutex->pool, mutex, thread_mutex_cleanup); +} + +APR_POOL_IMPLEMENT_ACCESSOR(thread_mutex) + +#endif /* APR_HAS_THREADS */ |