www.pudn.com > ThreadLibrary.zip > ManualEvent.h

/** 
 *	@file 
 */ 
#pragma once 
#include "event.h" 
#include  
 
/**  
 *	Provides a wrapper around the WIN32 event objects 
 *	 
 *	@author Peter Hancock 
 */ 
class ManualEvent : 
	public Event 
{ 
public: 
	/** 
	 *	Create an event. 
	 *	@param eventName	Name of the event for external processes 
	 *	@throw EventException	Thrown when the event can't be created 
	 *	@note If using named events, the name is GLOBAL.  ie - you will not be able to run more 
	 *	than one process with the same name.  An event is a kernel object. 
	 */ 
	ManualEvent(const char* eventName=NULL) 
	{ 
		// Note that the handle is closed in the base Event class. 
		handle = ::CreateEvent(NULL, true, false, eventName); 
		if(handle == NULL) 
			throw EventException(eventName); 
		assert(handle); 
	} 
	/**  
	 *	Signal the event. 
	 */ 
	void signal() throw() 
	{ 
		assert(handle); 
		::SetEvent(handle); 
	} 
	/** 
	 *	Reset the event to the non-signaled state 
	 */ 
	void reset() throw() 
	{ 
		assert(handle); 
		::ResetEvent(handle); 
	} 
};