f4334277
 Hu Chunming
提交3rdparty
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#pragma once
//////////////////////////////////////////////////////////////////////////
// CritSec
// Description: Wraps a critical section.
//////////////////////////////////////////////////////////////////////////
class CritSec
{
public:
CRITICAL_SECTION m_criticalSection;
public:
CritSec()
{
InitializeCriticalSectionEx(&m_criticalSection, 100, 0);
}
~CritSec()
{
DeleteCriticalSection(&m_criticalSection);
}
_Acquires_lock_(m_criticalSection)
void Lock()
{
EnterCriticalSection(&m_criticalSection);
}
_Releases_lock_(m_criticalSection)
void Unlock()
{
LeaveCriticalSection(&m_criticalSection);
}
};
//////////////////////////////////////////////////////////////////////////
// AutoLock
// Description: Provides automatic locking and unlocking of a
// of a critical section.
//
// Note: The AutoLock object must go out of scope before the CritSec.
//////////////////////////////////////////////////////////////////////////
class AutoLock
{
private:
CritSec *m_pCriticalSection;
public:
_Acquires_lock_(m_pCriticalSection)
AutoLock(CritSec& crit)
{
m_pCriticalSection = &crit;
m_pCriticalSection->Lock();
}
_Releases_lock_(m_pCriticalSection)
~AutoLock()
{
m_pCriticalSection->Unlock();
}
};
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