// thread.h :
//

#if !defined(AGD_THREAD_H__8BEF8FA0_B86A_48C3_AA47_4BDCB70DE22D__INCLUDED_)
#define AGD_THREAD_H__8BEF8FA0_B86A_48C3_AA47_4BDCB70DE22D__INCLUDED_

#include <pthread.h>	// Compile and link with -pthread
#include <vector>

/////////////////////////////////////////////////////////////////////////////
// thread.h - Declarations:

class CThread
{
public:
	typedef void* (*PFN_THREAD_ROUTINE) (void*);
	typedef void (*PFN_CLEANUP_ROUTINE) (void*);

private:
	typedef struct _INTTP
	{
		CThread *pThis;
		void *pParam;
	}INTTP, *LPINTTP;
	typedef const INTTP *LPCINTTP;

public:
	CThread(void);
	virtual ~CThread(void);

	int Create(PFN_THREAD_ROUTINE pFunc, void *pParam = NULL);
	int Create(void *pParam = NULL);
	
	int Cancel(void);
	int Join(void **ppRetval);
	int Detach(void);
	
	int Signal(int nSig);
	
	pthread_t GetID(void) const {
		return m_tID;
	}

protected:
	int WaitSignal(int *pSignal);
	int WaitSignalTimeout(unsigned long long nUs, int *pSignal);
	bool PopSignal(int *pSignal);
	virtual void* ThreadRoutine(void *pParam);

private:
	static void* _ThreadStart(void *pParam);

private:
	pthread_t m_tID;
	pthread_attr_t m_tAttr;
	pthread_cond_t m_tCond;
	pthread_mutex_t m_tMtxCond;
	std::vector<int> m_vSigs;
	int m_nCondSig;
	bool m_bSignaled;
	bool m_bBlocked;
	INTTP m_itp;
};

/////////////////////////////////////////////////////////////////////////////
#endif	//	!defined(AGD_THREAD_H__8BEF8FA0_B86A_48C3_AA47_4BDCB70DE22D__INCLUDED_)