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/* 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"
#include "apr_private.h"
#include "apr_portable.h"
#include "apr_arch_proc_mutex.h"
#include "apr_arch_thread_mutex.h"
APR_DECLARE(apr_status_t) apr_proc_mutex_create(apr_proc_mutex_t **mutex,
const char *fname,
apr_lockmech_e mech,
apr_pool_t *pool)
{
apr_status_t ret;
apr_proc_mutex_t *new_mutex;
unsigned int flags = APR_THREAD_MUTEX_DEFAULT;
*mutex = NULL;
if (mech == APR_LOCK_DEFAULT_TIMED) {
flags |= APR_THREAD_MUTEX_TIMED;
}
else if (mech != APR_LOCK_DEFAULT) {
return APR_ENOTIMPL;
}
new_mutex = (apr_proc_mutex_t *)apr_pcalloc(pool, sizeof(apr_proc_mutex_t));
if (new_mutex == NULL) {
return APR_ENOMEM;
}
new_mutex->pool = pool;
ret = apr_thread_mutex_create(&(new_mutex->mutex), flags, pool);
if (ret == APR_SUCCESS)
*mutex = new_mutex;
return ret;
}
APR_DECLARE(apr_status_t) apr_proc_mutex_child_init(apr_proc_mutex_t **mutex,
const char *fname,
apr_pool_t *pool)
{
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_proc_mutex_lock(apr_proc_mutex_t *mutex)
{
if (mutex)
return apr_thread_mutex_lock(mutex->mutex);
return APR_ENOLOCK;
}
APR_DECLARE(apr_status_t) apr_proc_mutex_trylock(apr_proc_mutex_t *mutex)
{
if (mutex)
return apr_thread_mutex_trylock(mutex->mutex);
return APR_ENOLOCK;
}
APR_DECLARE(apr_status_t) apr_proc_mutex_timedlock(apr_proc_mutex_t *mutex,
apr_interval_time_t timeout)
{
if (mutex)
return apr_thread_mutex_timedlock(mutex->mutex, timeout);
return APR_ENOLOCK;
}
APR_DECLARE(apr_status_t) apr_proc_mutex_unlock(apr_proc_mutex_t *mutex)
{
if (mutex)
return apr_thread_mutex_unlock(mutex->mutex);
return APR_ENOLOCK;
}
APR_DECLARE(apr_status_t) apr_proc_mutex_cleanup(void *mutex)
{
return apr_proc_mutex_destroy(mutex);
}
APR_DECLARE(apr_status_t) apr_proc_mutex_destroy(apr_proc_mutex_t *mutex)
{
if (mutex)
return apr_thread_mutex_destroy(mutex->mutex);
return APR_ENOLOCK;
}
APR_DECLARE(const char *) apr_proc_mutex_lockfile(apr_proc_mutex_t *mutex)
{
return NULL;
}
APR_DECLARE(apr_lockmech_e) apr_proc_mutex_mech(apr_proc_mutex_t *mutex)
{
return APR_LOCK_DEFAULT;
}
APR_DECLARE(const char *) apr_proc_mutex_name(apr_proc_mutex_t *mutex)
{
return "netwarethread";
}
APR_DECLARE(const char *) apr_proc_mutex_defname(void)
{
return "netwarethread";
}
APR_PERMS_SET_ENOTIMPL(proc_mutex)
APR_POOL_IMPLEMENT_ACCESSOR(proc_mutex)
/* Implement OS-specific accessors defined in apr_portable.h */
APR_DECLARE(apr_status_t) apr_os_proc_mutex_get_ex(apr_os_proc_mutex_t *ospmutex,
apr_proc_mutex_t *pmutex,
apr_lockmech_e *mech)
{
if (pmutex && pmutex->mutex)
ospmutex = pmutex->mutex->mutex;
return APR_ENOLOCK;
#if 0
/* We need to change apr_os_proc_mutex_t to a pointer type
* to be able to implement this function.
*/
*ospmutex = pmutex->mutex->mutex;
if (mech) {
*mech = APR_LOCK_DEFAULT;
}
return APR_SUCCESS;
#endif
}
APR_DECLARE(apr_status_t) apr_os_proc_mutex_get(apr_os_proc_mutex_t *ospmutex,
apr_proc_mutex_t *pmutex)
{
return apr_os_proc_mutex_get_ex(ospmutex, pmutex, NULL);
}
APR_DECLARE(apr_status_t) apr_os_proc_mutex_put_ex(apr_proc_mutex_t **pmutex,
apr_os_proc_mutex_t *ospmutex,
apr_lockmech_e mech,
int register_cleanup,
apr_pool_t *pool)
{
if (pool == NULL) {
return APR_ENOPOOL;
}
if (mech != APR_LOCK_DEFAULT && mech != APR_LOCK_DEFAULT_TIMED) {
return APR_ENOTIMPL;
}
#if 0
/* We need to change apr_os_proc_mutex_t to a pointer type
* to be able to implement this function.
*/
if ((*pmutex) == NULL) {
(*pmutex) = apr_pcalloc(pool, sizeof(apr_proc_mutex_t));
(*pmutex)->pool = pool;
}
(*pmutex)->mutex = apr_pcalloc(pool, sizeof(apr_thread_mutex_t));
(*pmutex)->mutex->mutex = *ospmutex;
(*pmutex)->mutex->pool = pool;
if (register_cleanup) {
apr_pool_cleanup_register(pool, *pmutex, apr_proc_mutex_cleanup,
apr_pool_cleanup_null);
}
return APR_SUCCESS;
#else
return APR_ENOTIMPL;
#endif
}
APR_DECLARE(apr_status_t) apr_os_proc_mutex_put(apr_proc_mutex_t **pmutex,
apr_os_proc_mutex_t *ospmutex,
apr_pool_t *pool)
{
return apr_os_proc_mutex_put_ex(pmutex, ospmutex, APR_LOCK_DEFAULT,
0, pool);
}
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