| /* |
| * 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. |
| */ |
| |
| /* |
| * $Id$ |
| */ |
| |
| // on some platforms, THREAD_MUTEX_RECURSIVE is defined only if _GNU_SOURCE is defined |
| #ifndef _GNU_SOURCE |
| #define _GNU_SOURCE |
| #endif |
| |
| #include <pthread.h> |
| |
| #include <xercesc/util/MutexManagers/PosixMutexMgr.hpp> |
| #include <xercesc/util/PlatformUtils.hpp> |
| #include <xercesc/util/RuntimeException.hpp> |
| #include <xercesc/util/PanicHandler.hpp> |
| |
| namespace XERCES_CPP_NAMESPACE { |
| |
| |
| // Wrap up the mutex with XMemory |
| class PosixMutexWrap : public XMemory { |
| public: |
| pthread_mutex_t m; |
| }; |
| |
| |
| PosixMutexMgr::PosixMutexMgr() |
| { |
| } |
| |
| |
| PosixMutexMgr::~PosixMutexMgr() |
| { |
| } |
| |
| |
| XMLMutexHandle |
| PosixMutexMgr::create(MemoryManager* const manager) |
| { |
| PosixMutexWrap* mutex = new (manager) PosixMutexWrap; |
| |
| pthread_mutexattr_t attr; |
| pthread_mutexattr_init(&attr); |
| pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE); |
| |
| if (pthread_mutex_init(&mutex->m, &attr)) |
| XMLPlatformUtils::panic(PanicHandler::Panic_MutexErr); |
| |
| pthread_mutexattr_destroy(&attr); |
| |
| return (void*)(mutex); |
| } |
| |
| |
| void |
| PosixMutexMgr::destroy(XMLMutexHandle mtx, MemoryManager* const manager) |
| { |
| PosixMutexWrap* mutex = (PosixMutexWrap*)(mtx); |
| if (mutex != NULL) |
| { |
| if (pthread_mutex_destroy(&mutex->m)) |
| { |
| ThrowXMLwithMemMgr(XMLPlatformUtilsException, |
| XMLExcepts::Mutex_CouldNotDestroy, manager); |
| } |
| delete mutex; |
| } |
| } |
| |
| |
| void |
| PosixMutexMgr::lock(XMLMutexHandle mtx) |
| { |
| PosixMutexWrap* mutex = (PosixMutexWrap*)(mtx); |
| if (mutex != NULL) |
| { |
| if (pthread_mutex_lock(&mutex->m)) |
| XMLPlatformUtils::panic(PanicHandler::Panic_MutexErr); |
| } |
| } |
| |
| |
| void |
| PosixMutexMgr::unlock(XMLMutexHandle mtx) |
| { |
| PosixMutexWrap* mutex = (PosixMutexWrap*)(mtx); |
| if (mutex != NULL) |
| { |
| if (pthread_mutex_unlock(&mutex->m)) |
| XMLPlatformUtils::panic(PanicHandler::Panic_MutexErr); |
| } |
| } |
| |
| |
| } |
| |