93 lines
2.8 KiB
C
93 lines
2.8 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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#include "fspr_private.h"
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#include "fspr_general.h"
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#include "fspr_strings.h"
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#include "fspr_arch_thread_mutex.h"
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#include "fspr_portable.h"
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static fspr_status_t thread_mutex_cleanup(void *data)
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{
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fspr_thread_mutex_t *mutex = (fspr_thread_mutex_t *)data;
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NXMutexFree(mutex->mutex);
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return APR_SUCCESS;
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}
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APR_DECLARE(fspr_status_t) fspr_thread_mutex_create(fspr_thread_mutex_t **mutex,
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unsigned int flags,
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fspr_pool_t *pool)
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{
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fspr_thread_mutex_t *new_mutex = NULL;
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/* XXX: Implement _UNNESTED flavor and favor _DEFAULT for performance
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*/
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if (flags & APR_THREAD_MUTEX_UNNESTED) {
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return APR_ENOTIMPL;
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}
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new_mutex = (fspr_thread_mutex_t *)fspr_pcalloc(pool, sizeof(fspr_thread_mutex_t));
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if(new_mutex ==NULL) {
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return APR_ENOMEM;
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}
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new_mutex->pool = pool;
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new_mutex->mutex = NXMutexAlloc(NX_MUTEX_RECURSIVE, 0, NULL);
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if(new_mutex->mutex == NULL)
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return APR_ENOMEM;
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fspr_pool_cleanup_register(new_mutex->pool, new_mutex,
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(void*)thread_mutex_cleanup,
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fspr_pool_cleanup_null);
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*mutex = new_mutex;
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return APR_SUCCESS;
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}
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APR_DECLARE(fspr_status_t) fspr_thread_mutex_lock(fspr_thread_mutex_t *mutex)
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{
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NXLock(mutex->mutex);
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return APR_SUCCESS;
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}
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APR_DECLARE(fspr_status_t) fspr_thread_mutex_trylock(fspr_thread_mutex_t *mutex)
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{
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if (!NXTryLock(mutex->mutex))
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return APR_EBUSY;
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return APR_SUCCESS;
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}
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APR_DECLARE(fspr_status_t) fspr_thread_mutex_unlock(fspr_thread_mutex_t *mutex)
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{
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NXUnlock(mutex->mutex);
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return APR_SUCCESS;
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}
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APR_DECLARE(fspr_status_t) fspr_thread_mutex_destroy(fspr_thread_mutex_t *mutex)
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{
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fspr_status_t stat;
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if ((stat = thread_mutex_cleanup(mutex)) == APR_SUCCESS) {
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fspr_pool_cleanup_kill(mutex->pool, mutex, thread_mutex_cleanup);
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return APR_SUCCESS;
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}
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return stat;
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}
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APR_POOL_IMPLEMENT_ACCESSOR(thread_mutex)
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