OW_ThreadPool.hpp

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#ifndef OW_THREAD_POOL_HPP_INCLUDE_GUARD_
#define OW_THREAD_POOL_HPP_INCLUDE_GUARD_
#include "OW_config.h"
#include "OW_Types.hpp"
#include "OW_IntrusiveReference.hpp"
#include "OW_IntrusiveCountableBase.hpp"
#include "OW_Runnable.hpp"
#include "OW_Exception.hpp"
#include "OW_Logger.hpp"

namespace OW_NAMESPACE
{

class ThreadPoolImpl;
OW_DECLARE_APIEXCEPTION(ThreadPool, OW_COMMON_API);
class OW_COMMON_API ThreadPool : public IntrusiveCountableBase
{
public:
   enum PoolType
   {
      FIXED_SIZE,
      DYNAMIC_SIZE,
      DYNAMIC_SIZE_NO_QUEUE
   };
   enum
   {
      UNLIMITED_QUEUE_SIZE = 0
   };
   ThreadPool(PoolType poolType, UInt32 numThreads, UInt32 maxQueueSize, const LoggerRef& logger=LoggerRef(), const String& poolName="");
   bool addWork(const RunnableRef& work);
   bool tryAddWork(const RunnableRef& work);
   enum EShutdownQueueFlag
   {
      E_DISCARD_WORK_IN_QUEUE,
      E_FINISH_WORK_IN_QUEUE
   };
   void shutdown(EShutdownQueueFlag finishWorkInQueue = E_FINISH_WORK_IN_QUEUE, int timeoutSecs=-1);
   void waitForEmptyQueue();
   ~ThreadPool();
   ThreadPool(const ThreadPool& x);
   ThreadPool& operator=(const ThreadPool& x);
private:

#ifdef OW_WIN32
#pragma warning (push)
#pragma warning (disable: 4251)
#endif

   IntrusiveReference<ThreadPoolImpl> m_impl;

#ifdef OW_WIN32
#pragma warning (pop)
#endif

};
OW_EXPORT_TEMPLATE(OW_COMMON_API, IntrusiveReference, ThreadPool);

} // end namespace OW_NAMESPACE

#endif

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