00001 /*============================================================================= 00002 Copyright (C) 2012 Allied Vision Technologies. All Rights Reserved. 00003 00004 Redistribution of this file, in original or modified form, without 00005 prior written consent of Allied Vision Technologies is prohibited. 00006 00007 ------------------------------------------------------------------------------- 00008 00009 File: Condition.h 00010 00011 Description: Definition of a condition class. 00012 (This include file is for internal use only.) 00013 00014 ------------------------------------------------------------------------------- 00015 00016 THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED 00017 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF TITLE, 00018 NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00019 DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 00020 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 00021 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00022 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 00023 AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 00024 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00025 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00026 00027 =============================================================================*/ 00028 00029 #ifndef AVT_VMBAPI_CONDITION_H 00030 #define AVT_VMBAPI_CONDITION_H 00031 00032 #include <VimbaCPP/Include/Mutex.h> 00033 #include <VimbaCPP/Source/Semaphore.h> 00034 #include <VimbaCPP/Include/BasicLockable.h> 00035 #include <VimbaCPP/Include/SharedPointerDefines.h> 00036 00037 namespace AVT { 00038 namespace VmbAPI { 00039 00040 class Condition 00041 { 00042 private: 00043 unsigned long m_nReleaseNumber; 00044 unsigned long m_nWaiterNumber; 00045 bool m_bLocked; 00046 SP_DECL( Semaphore ) m_Semaphore; // A binary semaphore (non recursive mutex) 00047 00048 public: 00049 Condition(); 00050 00051 void Wait( const BasicLockable &rLockable ); 00052 void Wait( const MutexPtr &rMutex ); 00053 00054 void Signal( bool bSingle = false ); 00055 }; 00056 00057 }} // namespace AVT::VmbAPI 00058 00059 #endif //CONDITION_H