| /* -*- C++ -*- */ |
| /* |
| * Copyright 2003-2004 The Apache Software Foundation. |
| // (c) Copyright IBM Corp. 2004, 2005 All Rights Reserved |
| * |
| * Licensed 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. |
| * |
| * |
| * @author Susantha Kumara (skumara@virtusa.com) |
| * |
| */ |
| |
| // !!! This include file must be first thing in file !!! |
| #include "../platforms/PlatformAutoSense.hpp" |
| |
| #include "SharedObject.h" |
| |
| #include "../common/AxisTrace.h" |
| |
| AXIS_CPP_NAMESPACE_START |
| |
| SharedObject::SharedObject () |
| { |
| m_bLocked = false; |
| #ifdef WIN32 |
| mut = CreateMutex(NULL, FALSE, NULL); |
| #else //Linux |
| mut = new pthread_mutex_t; |
| pthread_mutex_init (mut, NULL); |
| #endif |
| } |
| |
| SharedObject::~SharedObject () |
| { |
| #ifdef WIN32 |
| CloseHandle(mut); |
| #else //Linux |
| pthread_mutex_destroy (mut); |
| delete mut; |
| #endif |
| } |
| |
| /* Following functions should be improved to avoid chances of failure using |
| * platform specific mechanisms |
| */ |
| int SharedObject::lock () |
| { |
| #ifdef WIN32 |
| WaitForSingleObject(mut, INFINITE); |
| #else //Linux |
| pthread_mutex_lock (mut); |
| #endif |
| m_bLocked = true; |
| return 0; |
| } |
| |
| int SharedObject::unlock () |
| { |
| #ifdef WIN32 |
| ReleaseMutex(mut); |
| #else //Linux |
| pthread_mutex_unlock (mut); |
| #endif |
| m_bLocked = false; |
| return 0; |
| } |
| |
| AXIS_CPP_NAMESPACE_END |