| /* |
| * 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. |
| */ |
| |
| #ifndef _LOG4CXX_HELPERS_MUTEX_H |
| #define _LOG4CXX_HELPERS_MUTEX_H |
| |
| #include <log4cxx/log4cxx.h> |
| |
| #if defined(RW_MUTEX) |
| #include <apr_portable.h> |
| #include <atomic> |
| #endif |
| |
| extern "C" { |
| struct apr_thread_mutex_t; |
| struct apr_pool_t; |
| struct apr_thread_rwlock_t; |
| } |
| |
| |
| namespace log4cxx |
| { |
| namespace helpers |
| { |
| class Pool; |
| |
| class LOG4CXX_EXPORT Mutex |
| { |
| public: |
| Mutex(log4cxx::helpers::Pool& p); |
| Mutex(apr_pool_t* p); |
| ~Mutex(); |
| apr_thread_mutex_t* getAPRMutex() const; |
| |
| private: |
| Mutex(const Mutex&); |
| Mutex& operator=(const Mutex&); |
| apr_thread_mutex_t* mutex; |
| }; |
| } // namespace helpers |
| } // namespace log4cxx |
| |
| |
| #if defined(RW_MUTEX) |
| |
| namespace log4cxx |
| { |
| namespace helpers |
| { |
| class Pool; |
| |
| class LOG4CXX_EXPORT RWMutex |
| { |
| public: |
| RWMutex(log4cxx::helpers::Pool& p); |
| RWMutex(apr_pool_t* p); |
| ~RWMutex(); |
| |
| void rdLock() const; |
| void rdUnlock() const; |
| |
| void wrLock() const; |
| void wrUnlock() const; |
| |
| private: |
| mutable std::atomic<apr_os_thread_t> id; |
| mutable unsigned count; |
| RWMutex(const RWMutex&); |
| RWMutex& operator=(const RWMutex&); |
| apr_thread_rwlock_t* mutex; |
| }; |
| } // namespace helpers |
| } // namespace log4cxx |
| |
| #define SHARED_MUTEX log4cxx::helpers::RWMutex |
| |
| #else // no RW_MUTEX |
| |
| #define SHARED_MUTEX log4cxx::helpers::Mutex |
| |
| #endif // RW_MUTEX |
| |
| #define SHARED_MUTEX_INIT(mutex, p) mutex(p) |
| |
| #if defined(NON_BLOCKING) |
| |
| namespace log4cxx |
| { |
| namespace helpers |
| { |
| struct SemaphoreImpl; |
| |
| class LOG4CXX_EXPORT Semaphore |
| { |
| public: |
| Semaphore(log4cxx::helpers::Pool& p); |
| ~Semaphore(); |
| |
| void await() const; |
| void signalAll() const; |
| |
| private: |
| Semaphore(const Semaphore&); |
| Semaphore& operator=(const Semaphore&); |
| |
| SemaphoreImpl* impl; |
| }; |
| } // namespace helpers |
| } // namespace log4cxx |
| |
| #endif // NON_BLOCKING |
| |
| #endif //_LOG4CXX_HELPERS_MUTEX_H |