Source code of Windows XP (NT5)
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/*==========================================================================
* * Copyright (C) 1995-1997 Microsoft Corporation. All Rights Reserved. * * File: dplaysvr.h * Content: dplay winsock shared .exe - allows multiple apps to share * a single winsock port * * History: * Date By Reason * ==== == ====== * 2/10/97 andyco created it from ddhelp * 1/29/98 sohailm added macros for critical section * ***************************************************************************/#ifndef __DPLAYSVR_INCLUDED__
#define __DPLAYSVR_INCLUDED__
// need this for hresult
#include "ole2.h"
// crit section
extern CRITICAL_SECTION gcsCritSection; // defined in dphelp.c
#define INIT_DPLAYSVR_CSECT() InitializeCriticalSection(&gcsCritSection);
#define FINI_DPLAYSVR_CSECT() DeleteCriticalSection(&gcsCritSection);
#ifdef DEBUG
extern int gnCSCount; // count of dplaysvr lock
#define ENTER_DPLAYSVR() EnterCriticalSection(&gcsCritSection),gnCSCount++;
#define LEAVE_DPLAYSVR() gnCSCount--;ASSERT(gnCSCount>=0);LeaveCriticalSection(&gcsCritSection);
#else
#define ENTER_DPLAYSVR() EnterCriticalSection(&gcsCritSection);
#define LEAVE_DPLAYSVR() LeaveCriticalSection(&gcsCritSection);
#endif
/*
* named objects */#define DPHELP_EVENT_NAME "__DPHelpEvent__"
#define DPHELP_ACK_EVENT_NAME "__DPHelpAckEvent__"
#define DPHELP_STARTUP_EVENT_NAME "__DPHelpStartupEvent__"
#define DPHELP_SHARED_NAME "__DPHelpShared__"
#define DPHELP_MUTEX_NAME "__DPHelpMutex__"
/*
* requests */#define DPHELPREQ_SUICIDE 1
#define DPHELPREQ_DPLAYADDSERVER 2
#define DPHELPREQ_DPLAYDELETESERVER 3
#define DPHELPREQ_RETURNHELPERPID 4
/*
* communication data */typedef struct DPHELPDATA{ int req; DWORD pid; USHORT port; HRESULT hr;} DPHELPDATA, *LPDPHELPDATA;
#endif
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