lock.h

MTK平台COM口通讯的源代码。很底层的。可以学习一下。

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/*******************************************************************************
* Filename:
* ---------
*  Lock.h
*
* Project:
* --------
*   Catcher
*
* Description:
* ------------
*   This module implement ALock class.
*
* Author:
* -------
*  Angus Chen (mtk00306)
*
*==============================================================================
*           HISTORY
* Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
*------------------------------------------------------------------------------
* $Revision:   1.0  $
* $Modtime:   Feb 27 2004 16:23:38  $
* $Log:   //mtkvs01/vmdata/PhoneSuiteApp/archives/comm/Lock.h-arc  $
 * 
 *    Rev 1.0   Feb 27 2004 18:28:12   admin
 * Initial revision.
 * 
 *    Rev 1.0   Feb 27 2004 16:42:08   admin
 * Initial revision.
*
*------------------------------------------------------------------------------
* Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
*==============================================================================
*******************************************************************************/
#ifndef ANGUS_LOCK_DEF_H
#define ANGUS_LOCK_DEF_H

#include <windows.h>

// Generic lock object
class ALockableObject
{
public:
	ALockableObject() {};
	virtual ~ALockableObject() {};
	virtual void Lock() = 0;
	virtual void Unlock() = 0;
};

// Critical section
class ACriticalSection : public ALockableObject
{
public:
	ACriticalSection();
	virtual ~ACriticalSection();
	virtual void Lock();
	virtual void Unlock();
private:
	CRITICAL_SECTION	m_CritSect;
};

// Lock mechanism
class ALock
{
public:
	ALock(ALockableObject *pLockable);
	~ALock();
//private:
	ALockableObject *m_pLockable;
};

#endif