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   源码介绍

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#include "StdAfx.h"
#include "SubThread.h"

CSubThread::CSubThread(void)
{
	m_pThreadFunction = CSubThread::EntryPoint;
	m_runthread = FALSE;
}

CSubThread::~CSubThread(void)
{
	if ( m_hThread )
		Stop(true); 
}

DWORD CSubThread::Start(DWORD dwCreationFlags = 0)
{
	m_runthread = true;
	m_hThread = CreateThread(NULL, 0, m_pThreadFunction, this, dwCreationFlags,&m_dwTID);
	m_dwExitCode = (DWORD)-1;
	return GetLastError();
}

DWORD CSubThread::Stop ( bool bForceKill = false )
{
	if ( m_hThread )
	{
		//尝试"温柔地"结束线程
		if (m_runthread == TRUE)
			m_runthread = FALSE;        //first, try to stop the thread nice
		GetExitCodeThread(m_hThread, &m_dwExitCode);
		if ( m_dwExitCode == STILL_ACTIVE && bForceKill )
		{
			//强制杀死线程
			TerminateThread(m_hThread, DWORD(-1));
			m_hThread = NULL;
		}
	}
	return m_dwExitCode;
}

DWORD CSubThread::Stop ( WORD timeout )
{
	Stop(false);
	WaitForSingleObject(m_hThread, timeout);//等待一段时间
	return Stop(true);
}

DWORD CSubThread::Suspend()
{
	return SuspendThread(m_hThread);
}

DWORD CSubThread::Resume()
{
	return ResumeThread(m_hThread);
}

BOOL CSubThread::SetPriority(int priority)
{
	return SetThreadPriority(m_hThread, priority);
}

int CSubThread::GetPriority()
{
	return GetThreadPriority(m_hThread);
}

DWORD WINAPI CSubThread::EntryPoint( LPVOID pArg)
{
	CSubThread *pParent = reinterpret_cast<CSubThread*>(pArg);
	pParent->ThreadMethod();//多态性，调用子类的实际工作函数
	return 0;
}