blocxx
|
00001 /******************************************************************************* 00002 * Copyright (C) 2005, Vintela, Inc. All rights reserved. 00003 * Copyright (C) 2006, Novell, Inc. All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions are met: 00007 * 00008 * * Redistributions of source code must retain the above copyright notice, 00009 * this list of conditions and the following disclaimer. 00010 * * Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * * Neither the name of 00014 * Vintela, Inc., 00015 * nor Novell, Inc., 00016 * nor the names of its contributors or employees may be used to 00017 * endorse or promote products derived from this software without 00018 * specific prior written permission. 00019 * 00020 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00021 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00022 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00023 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 00024 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00025 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00026 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00027 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00028 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00029 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00030 * POSSIBILITY OF SUCH DAMAGE. 00031 *******************************************************************************/ 00032 00033 00038 #ifndef BLOCXX_THREAD_COUNTER_HPP_INCLUDE_GUARD_ 00039 #define BLOCXX_THREAD_COUNTER_HPP_INCLUDE_GUARD_ 00040 #include "blocxx/BLOCXX_config.h" 00041 #include "blocxx/Types.hpp" 00042 #include "blocxx/NonRecursiveMutex.hpp" 00043 #include "blocxx/Condition.hpp" 00044 #include "blocxx/IntrusiveReference.hpp" 00045 #include "blocxx/IntrusiveCountableBase.hpp" 00046 #include "blocxx/ThreadDoneCallback.hpp" 00047 00048 namespace BLOCXX_NAMESPACE 00049 { 00050 00051 // Note: Do not inline any functions in these classes, the code must 00052 // be contained in the main library, if a loadable library contains any, 00053 // it will cause a race-condition that may segfault the application. 00054 class BLOCXX_COMMON_API ThreadCounter : public IntrusiveCountableBase 00055 { 00056 public: 00057 ThreadCounter(Int32 maxThreads); 00058 ~ThreadCounter(); 00059 // Throws TimeoutException in case of timeout 00060 void incThreadCount(const Timeout& timeout); 00061 BLOCXX_DEPRECATED void incThreadCount(UInt32 sTimeout, UInt32 usTimeout); 00062 void decThreadCount(); 00063 Int32 getThreadCount(); 00064 // Throws TimeoutException in case of timeout 00065 void waitForAll(const Timeout& timeout); 00066 BLOCXX_DEPRECATED void waitForAll(UInt32 sTimeout, UInt32 usTimeout); 00067 void setMax(Int32 maxThreads); 00068 private: 00069 Int32 m_maxThreads; 00070 Int32 m_runCount; 00071 NonRecursiveMutex m_runCountGuard; 00072 Condition m_runCountCondition; 00073 // noncopyable 00074 ThreadCounter(ThreadCounter const&); 00075 ThreadCounter& operator=(ThreadCounter const&); 00076 }; 00077 00078 class BLOCXX_COMMON_API ThreadCountDecrementer : public ThreadDoneCallback 00079 { 00080 public: 00081 ThreadCountDecrementer(ThreadCounterRef const& x); 00082 virtual ~ThreadCountDecrementer(); 00083 private: 00084 virtual void doNotifyThreadDone(Thread *); 00085 00086 #ifdef BLOCXX_WIN32 00087 #pragma warning (push) 00088 #pragma warning (disable: 4251) 00089 #endif 00090 00091 ThreadCounterRef m_counter; 00092 00093 #ifdef BLOCXX_WIN32 00094 #pragma warning (pop) 00095 #endif 00096 00097 // noncopyable 00098 ThreadCountDecrementer(ThreadCountDecrementer const&); 00099 ThreadCountDecrementer& operator=(ThreadCountDecrementer const&); 00100 }; 00101 BLOCXX_EXPORT_TEMPLATE(BLOCXX_COMMON_API, IntrusiveReference, ThreadCounter); 00102 00103 } // end namespace BLOCXX_NAMESPACE 00104 00105 #endif