Source code of Windows XP (NT5)
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//+---------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1997.
//
// File: E V E N T Q . H
//
// Contents: Event Queue for managing synchonization of external events.
//
// Notes:
//
// Author: ckotze 29 Nov 2000
//
//----------------------------------------------------------------------------
#pragma once
#include "nmbase.h"
#include <ncstl.h>
#include <stlqueue.h>
using namespace std;
class CEvent
{
public:
CEvent(HANDLE hEvent);
~CEvent();
HRESULT SetEvent();
HRESULT ResetEvent();
private:
HANDLE m_hEvent;
BOOL m_bSignaled;
};
enum EVENT_MANAGER;
typedef struct tagUSERWORKITEM
{
LPTHREAD_START_ROUTINE Function;
PVOID Event;
EVENT_MANAGER EventMgr;
} USERWORKITEM;
typedef list<USERWORKITEM> EVENTQUEUE;
typedef EVENTQUEUE::iterator EVENTQUEUEITER;
class CEventQueue
{
public:
CEventQueue(HANDLE hServiceShutdown);
~CEventQueue();
HRESULT EnqueueEvent(IN LPTHREAD_START_ROUTINE Function, IN PVOID pEvent, IN const EVENT_MANAGER EventMgr);
HRESULT DequeueEvent(OUT LPTHREAD_START_ROUTINE& Function, OUT PVOID& pEvent, OUT EVENT_MANAGER& EventMgr);
BOOL AtomCheckSizeAndResetEvent(const BOOL fDispatchEvents);
DWORD WaitForExit();
size_t size();
private:
EVENTQUEUE m_eqWorkItems;
CRITICAL_SECTION m_csQueue;
CEvent* m_pFireEvents;
HANDLE m_hServiceShutdown;
HANDLE m_hWait;
BOOL m_fRefreshAllInQueue;
};