forked from Mirrors/freeswitch
0488a5109a
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3733 d0543943-73ff-0310-b7d9-9358b9ac24b2
103 lines
3.1 KiB
C
103 lines
3.1 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 "apr.h"
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#include "apr_private.h"
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#include "apr_general.h"
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#include "apr_strings.h"
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#include "apr_arch_thread_rwlock.h"
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#include "apr_portable.h"
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static apr_status_t thread_rwlock_cleanup(void *data)
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{
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apr_thread_rwlock_t *rwlock = (apr_thread_rwlock_t *)data;
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NXRwLockFree (rwlock->rwlock);
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return APR_SUCCESS;
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}
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APR_DECLARE(apr_status_t) apr_thread_rwlock_create(apr_thread_rwlock_t **rwlock,
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apr_pool_t *pool)
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{
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apr_thread_rwlock_t *new_rwlock = NULL;
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NXHierarchy_t hierarchy = 1; //for libc NKS NXRwLockAlloc
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NXLockInfo_t *info; //for libc NKS NXRwLockAlloc
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new_rwlock = (apr_thread_rwlock_t *)apr_pcalloc(pool, sizeof(apr_thread_rwlock_t));
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if(new_rwlock ==NULL) {
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return APR_ENOMEM;
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}
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new_rwlock->pool = pool;
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info = (NXLockInfo_t *)apr_pcalloc(pool, sizeof(NXLockInfo_t));
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new_rwlock->rwlock = NXRwLockAlloc(hierarchy, info);
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if(new_rwlock->rwlock == NULL)
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return APR_ENOMEM;
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apr_pool_cleanup_register(new_rwlock->pool, new_rwlock, thread_rwlock_cleanup,
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apr_pool_cleanup_null);
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*rwlock = new_rwlock;
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return APR_SUCCESS;
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}
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APR_DECLARE(apr_status_t) apr_thread_rwlock_rdlock(apr_thread_rwlock_t *rwlock)
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{
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NXRdLock(rwlock->rwlock);
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return APR_SUCCESS;
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}
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APR_DECLARE(apr_status_t) apr_thread_rwlock_tryrdlock(apr_thread_rwlock_t *rwlock)
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{
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if (!NXTryRdLock(rwlock->rwlock))
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return APR_EBUSY;
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return APR_SUCCESS;
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}
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APR_DECLARE(apr_status_t) apr_thread_rwlock_wrlock(apr_thread_rwlock_t *rwlock)
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{
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NXWrLock(rwlock->rwlock);
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return APR_SUCCESS;
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}
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APR_DECLARE(apr_status_t) apr_thread_rwlock_trywrlock(apr_thread_rwlock_t *rwlock)
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{
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if (!NXTryWrLock(rwlock->rwlock))
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return APR_EBUSY;
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return APR_SUCCESS;
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}
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APR_DECLARE(apr_status_t) apr_thread_rwlock_unlock(apr_thread_rwlock_t *rwlock)
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{
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NXRwUnlock(rwlock->rwlock);
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return APR_SUCCESS;
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}
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APR_DECLARE(apr_status_t) apr_thread_rwlock_destroy(apr_thread_rwlock_t *rwlock)
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{
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apr_status_t stat;
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if ((stat = thread_rwlock_cleanup(rwlock)) == APR_SUCCESS) {
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apr_pool_cleanup_kill(rwlock->pool, rwlock, thread_rwlock_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_rwlock)
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