Leaked source code of windows server 2003
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//+---------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1995 - 1997.
//
// File: stdcf.h
//
// Contents: Definitions of utility stuff for use with Compound Document
// objects.
//
// Classes:
// CStaticClassFactory
//
// Functions:
//
// Macros:
//
// History: 26-Feb-96 SSanu adapted from Forms stuff
//----------------------------------------------------------------------------
#pragma once
//---------------------------------------------------------------
// IUnknown
//---------------------------------------------------------------
#define IXIncrement(__ul) InterlockedIncrement((long *) &__ul)
#define IXDecrement(__ul) InterlockedDecrement((long *) &__ul)
#define DECLARE_IR_IUNKNOWN_METHODS \
STDMETHOD(QueryInterface) (REFIID riid, LPVOID * ppv); \
STDMETHOD_(ULONG, AddRef) (void); \
STDMETHOD_(ULONG, Release) (void);
#define DECLARE_IR_APTTHREAD_IUNKNOWN \
STDMETHOD(QueryInterface) (REFIID riid, LPVOID * ppv); \
ULONG _ulRefs; \
STDMETHOD_(ULONG, AddRef) (void) \
{ \
return ++_ulRefs; \
} \
STDMETHOD_(ULONG, Release) (void) \
{ \
if (!--_ulRefs) \
{ \
delete this; \
return 0; \
} \
return _ulRefs; \
}
//+---------------------------------------------------------------------
//
// Miscellaneous useful OLE helper and debugging functions
//
//----------------------------------------------------------------------
//+---------------------------------------------------------------------
//
// Standard IClassFactory implementation
//
//----------------------------------------------------------------------
//
// Functions to manipulate object count variable g_ulObjCount. This variable
// is used in the implementation of DllCanUnloadNow.
inline void
INC_OBJECT_COUNT(void)
{
extern ULONG g_ulObjCount;
IXIncrement(g_ulObjCount);
}
inline void
DEC_OBJECT_COUNT(void)
{
extern ULONG g_ulObjCount;
Win4Assert(g_ulObjCount > 0);
IXDecrement(g_ulObjCount);
}
inline ULONG
GET_OBJECT_COUNT(void)
{
extern ULONG g_ulObjCount;
return g_ulObjCount;
}
//+---------------------------------------------------------------
//
// Class: CStaticClassFactory
//
// Purpose: Standard implementation of a class factory object
//
// Notes: **************!!!!!!!!!!!!!!!!!*************
// TAKE NOTE --- The implementation of Release on this
// class does not perform a delete. This is so you can
// make the class factory a global static variable.
// Use the CDynamicClassFactory class below for an object
// which is not global static data.
//
//---------------------------------------------------------------
class CStaticClassFactory: public IClassFactory
{
public:
CStaticClassFactory(void) : _ulRefs(1) {};
// IUnknown methods
DECLARE_IR_IUNKNOWN_METHODS;
// IClassFactory methods
STDMETHOD(LockServer) (BOOL fLock);
// CreateInstance is left pure virtual.
protected:
ULONG _ulRefs;
};