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			170 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			170 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
//
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// Thread_VX.h
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//
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// Library: Foundation
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// Package: Threading
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// Module:  Thread
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//
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// Definition of the ThreadImpl class for VxWorks tasks.
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//
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// Copyright (c) 2004-2011, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier:	BSL-1.0
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//
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#ifndef Foundation_Thread_VX_INCLUDED
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#define Foundation_Thread_VX_INCLUDED
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#include "Poco/Foundation.h"
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#include "Poco/Runnable.h"
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#include "Poco/SignalHandler.h"
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#include "Poco/Event.h"
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#include "Poco/RefCountedObject.h"
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#include "Poco/AutoPtr.h"
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#include <taskLib.h>
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#include <taskVarLib.h>
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namespace Poco {
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class Foundation_API ThreadImpl
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{
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public:	
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	typedef int TIDImpl;
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	typedef void (*Callable)(void*);
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	enum Priority
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	{
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		PRIO_LOWEST_IMPL,
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		PRIO_LOW_IMPL,
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		PRIO_NORMAL_IMPL,
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		PRIO_HIGH_IMPL,
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		PRIO_HIGHEST_IMPL
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	};
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	enum Policy
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	{
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		POLICY_DEFAULT_IMPL = 0
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	};
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	enum
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	{
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		DEFAULT_THREAD_STACK_SIZE = 65536
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	};
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	struct CallbackData: public RefCountedObject
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	{
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		CallbackData(): callback(0), pData(0)
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		{
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		}
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		Callable  callback;
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		void*     pData; 
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	};
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	ThreadImpl();
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	~ThreadImpl();
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	TIDImpl tidImpl() const;
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	void setPriorityImpl(int prio);
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	int getPriorityImpl() const;
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	void setOSPriorityImpl(int prio, int policy = 0);
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	int getOSPriorityImpl() const;
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	static int getMinOSPriorityImpl(int policy);
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	static int getMaxOSPriorityImpl(int policy);
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	void setStackSizeImpl(int size);
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	int getStackSizeImpl() const;
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	void startImpl(Runnable& target);
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	void startImpl(Callable target, void* pData = 0);
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	void joinImpl();
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	bool joinImpl(long milliseconds);
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	bool isRunningImpl() const;
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	static void sleepImpl(long milliseconds);
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	static void yieldImpl();
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	static ThreadImpl* currentImpl();
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	static TIDImpl currentTidImpl();
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protected:
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	static void runnableEntry(void* pThread, int, int, int, int, int, int, int, int, int);
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	static void callableEntry(void* pThread, int, int, int, int, int, int, int, int, int);
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	static int mapPrio(int prio);
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	static int reverseMapPrio(int osPrio);
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	struct ThreadData: public RefCountedObject
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	{
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		ThreadData():
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			pRunnableTarget(0),
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			pCallbackTarget(0),
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			task(0),
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			prio(PRIO_NORMAL_IMPL),
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			osPrio(127),
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			done(false),
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			stackSize(POCO_THREAD_STACK_SIZE)
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		{
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		}
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		Runnable* pRunnableTarget;
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		AutoPtr<CallbackData> pCallbackTarget;
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		int       task;
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		int       prio;
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		int       osPrio;
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		Event     done;
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		int       stackSize;
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	};
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private:
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	AutoPtr<ThreadData> _pData;
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	static ThreadImpl* _pCurrent;
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};
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//
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// inlines
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//
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inline int ThreadImpl::getPriorityImpl() const
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{
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	return _pData->prio;
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}
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inline int ThreadImpl::getOSPriorityImpl() const
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{
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	return _pData->osPrio;
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}
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inline bool ThreadImpl::isRunningImpl() const
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{
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	return _pData->pRunnableTarget != 0 ||
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		(_pData->pCallbackTarget.get() != 0 && _pData->pCallbackTarget->callback != 0);
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}
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inline void ThreadImpl::yieldImpl()
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{
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	taskDelay(0);
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}
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inline int ThreadImpl::getStackSizeImpl() const
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{
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	return _pData->stackSize;
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}
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inline ThreadImpl::TIDImpl ThreadImpl::tidImpl() const
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{
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	return _pData->task;
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}
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} // namespace Poco
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#endif // Foundation_Thread_VX_INCLUDED
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