/* SPDX-License-Identifier: MIT */
/**
	@file		linux/threadimpl.h
	@brief		Declares the AJAThreadImpl class.
	@copyright	(C) 2009-2021 AJA Video Systems, Inc.  All rights reserved.
**/

#ifndef AJA_THREAD_IMPL_H
#define AJA_THREAD_IMPL_H

#include <pthread.h>
#include "ajabase/system/system.h"
#include "ajabase/common/common.h"
#include "ajabase/system/thread.h"
#include "ajabase/system/lock.h"


class AJAThreadImpl
{
public:

	AJAThreadImpl(AJAThread* pThreadContext);
	virtual ~AJAThreadImpl();

	AJAStatus		Start();

	AJAStatus		Stop(uint32_t timeout = 0xffffffff);

	AJAStatus		Kill(uint32_t exitCode);

	bool			Active();
	bool			IsCurrentThread();

	AJAStatus		SetPriority(AJAThreadPriority threadPriority);
	AJAStatus		GetPriority(AJAThreadPriority* pThreadPriority);

	AJAStatus		SetRealTime(AJAThreadRealTimePolicy policy, int priority);

	AJAStatus		Attach(AJAThreadFunction* pThreadFunction, void* pUserContext);
	AJAStatus		SetThreadName(const char *name);

	static uint64_t GetThreadId();
	static void*	ThreadProcStatic(void* pThreadImplContext);

public:
	AJAThread*			mpThreadContext;
	pthread_t			mThread;
	pid_t				mTid;
	AJAThreadPriority	mPriority;
	AJAThreadFunction*	mThreadFunc;
	void*				mpUserContext;
	AJALock				mLock;

	bool				mThreadStarted;
	pthread_mutex_t		mStartMutex;
	pthread_cond_t		mStartCond;

	bool				mTerminate;
	bool				mExiting;
	pthread_mutex_t		mExitMutex;
	pthread_cond_t		mExitCond;
};

#endif	//	AJA_THREAD_IMPL_H