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#pragma once
#include <windows.h>
#include <vector>
#include <exception>

#include "Job.h"
#include "Runtime/Utilities/Type.h"
#include "Mutex.h"

class ThreadException : public std::exception
{
public:
	ThreadException(const char* what)
		: std::exception(what)
	{
	}
};

class Thread
{
public:
	Thread(uint32 stacksize = 0)/*throw ThreadExeception*/;
	virtual ~Thread();

	virtual void Run() = 0;

	virtual void Resume();
	virtual void Join() ;
	virtual void Kill() ;

	virtual void Sleep(uint ms) ;

	virtual bool IsRunning() ;
	virtual bool IsCurrent() ;

protected:
	HANDLE m_Handle;

};

// 任务系统的线程
class WorkThread : public Thread
{
public:
	void Run() override;
	void Dispatch(void* param); // call in main thread

	void AddJobAtEnd(Job* job);

private:
	Mutex m_PendingMutex;
	Mutex m_FinishedMutex;

	std::vector<Job*> m_PendingJobs;
	std::vector<Job*> m_FinishedJobs;

};

// 执行小段代码的线程
class CodePieceThread : public Thread 
{
public: 
	typedef void(*CodePiece)();

	void Run() override;

private: 
	std::vector<CodePiece> m_CodePieces;

};