multithread.h

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// multithread.h


#ifndef _MULTITHREAD_H
#  define _MULTITHREAD_H

#  include <windows.h>


///
class SyncObject
{
public:
	///
	virtual void acquire() = 0;
	///
	virtual void acquire(int ) {
		acquire();
	}
	///
	virtual void release() = 0;
};


///
class CriticalSection : public SyncObject
{
	CRITICAL_SECTION m_cs;			///

public:
	///
	CriticalSection() {
		InitializeCriticalSection(&m_cs);
	}
	///
	~CriticalSection() {
		DeleteCriticalSection(&m_cs);
	}
	///
	void acquire() {
		EnterCriticalSection(&m_cs);
	}
	///
	void release() {
		LeaveCriticalSection(&m_cs);
	}
};


///
class Acquire
{
	SyncObject *m_so;	///

public:
	///
	Acquire(SyncObject *i_so) : m_so(i_so) {
		m_so->acquire();
	}
	///
	Acquire(SyncObject *i_so, int i_n) : m_so(i_so) {
		m_so->acquire(i_n);
	}
	///
	~Acquire() {
		m_so->release();
	}
};


#endif // !_MULTITHREAD_H