lock.cpp

MTK平台COM口通讯的源代码。很底层的。可以学习一下。

/*****************************************************************************
*  Copyright Statement:
*  --------------------
*  This software is protected by Copyright and the information contained
*  herein is confidential. The software may not be copied and the information
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*  permission of MediaTek Inc. (C) 2005
*
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*  THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
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*  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
*  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
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*  SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
*  SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH
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/*******************************************************************************
* Filename:
* ---------
*  Lock.cpp
*
* 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 15:24:14  $
* $Log:   //mtkvs01/vmdata/PhoneSuiteApp/archives/comm/Lock.cpp-arc  $
 *
 *   Rev 1.0   Feb 27 2004 18:28:10   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!!
*==============================================================================
*******************************************************************************/

#include "Lock.h"


/*******************************/
// ACriticalSection
/*******************************/

// Constructor
ACriticalSection::ACriticalSection()
{
	::InitializeCriticalSection(&m_CritSect);
}

// Destructor
ACriticalSection::~ACriticalSection()
{
	::DeleteCriticalSection(&m_CritSect);
}

// Lock
void ACriticalSection::Lock()
{
	::EnterCriticalSection(&m_CritSect);
}

// Unlock
void ACriticalSection::Unlock()
{
	::LeaveCriticalSection(&m_CritSect);
}

/*******************************/
// ALock
/*******************************/
ALock::ALock(ALockableObject *pLockable)
{
	m_pLockable = pLockable;
	m_pLockable->Lock();
}

ALock::~ALock()
{
	m_pLockable->Unlock();
}