| /* 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_thread_mutex_t *mutex, |
| apr_time_t timeout, |
| int absolute) |
| { |
| if (mutex) |
| return apr_thread_mutex_timedlock(mutex->mutex, timeout, absolute); |
| 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->mutex) { |
| return APR_ENOLOCK; |
| } |
| |
| *ospmutex = pmutex->mutex->mutex; |
| if (mech) { |
| *mech = APR_LOCK_DEFAULT; |
| } |
| return APR_SUCCESS; |
| } |
| |
| 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) { |
| return APR_ENOTIMPL; |
| } |
| |
| 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; |
| } |
| |
| 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); |
| } |
| |