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Testing simple concurrent containers

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25 Oct 2009CPOL10 min read 50.4K   404   40  
This article illustrates simple approaches and test results when creating containers with concurrent flavor and running on a multi-core PC.
//
// The �SlimRWLock� object is taken from the MSDN magazine article 
// �CONCURRENCY: Synchronization Primitives New To Windows Vista�
// written by Robert Saccone and Alexander Taskov
// http://msdn.microsoft.com/en-us/magazine/cc163405.aspx
//

#pragma once

class SlimRWLock
{
public:
	SlimRWLock()
	{
		::InitializeSRWLock(&srwLock_);
	}

	void acquireLockShared() 
	{
		::AcquireSRWLockShared(&srwLock_);
	}

	void acquireLockExclusive()
	{
		::AcquireSRWLockExclusive(&srwLock_);
	}

	void releaseLockShared()
	{
		::ReleaseSRWLockShared(&srwLock_);
	}

	void releaseLockExclusive()
	{
		::ReleaseSRWLockExclusive(&srwLock_);
	}

	DWORD numberReaderRacesLost() const
	{
		return 0;
	}

	DWORD numberReaderWakeups() const
	{
		return 0;
	}

	LONGLONG locked_acquiringLockExclusive(void) const
	{
		return 0L;
	}
	LONGLONG locked_acquiringLockShared(void) const
	{
		return 0L;
	}

private:
	SRWLOCK srwLock_;
};

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


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