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ddk
00001 /*
00002     ReactOS Kernel-Mode COM
00003     by Andrew Greenwood
00004 
00005     This file is in the public domain.
00006 */
00007 
00008 #ifndef _UNKNOWN_H_
00009 #define _UNKNOWN_H_
00010 
00011 #ifdef __cplusplus
00012 extern "C" {
00013 #include <wdm.h>
00014 }
00015 #else
00016 #include <wdm.h>
00017 #endif
00018 
00019 #include <windef.h>
00020 #define COM_NO_WINDOWS_H
00021 #include <basetyps.h>
00022 
00023 #ifdef PUT_GUIDS_HERE
00024 #include <initguid.h>
00025 #endif
00026 
00027 /* ===============================================================
00028     IUnknown
00029 */
00030 
00031 #ifndef __IUnknown_INTERFACE_DEFINED__
00032 #define __IUnknown_INTERFACE_DEFINED__
00033 
00034 DEFINE_GUID(IID_IUnknown,
00035     0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x46);
00036 
00037 #undef INTERFACE
00038 #define INTERFACE IUnknown
00039 
00040 DECLARE_INTERFACE(IUnknown) {
00041   STDMETHOD_(NTSTATUS, QueryInterface)( THIS_
00042     IN  REFIID,
00043     OUT PVOID*) PURE;
00044 
00045   STDMETHOD_(ULONG, AddRef)( THIS ) PURE;
00046 
00047   STDMETHOD_(ULONG, Release)( THIS ) PURE;
00048 };
00049 
00050 #endif /* __IUnknown_INTERFACE_DEFINED__ */
00051 
00052 #undef INTERFACE
00053 
00054 typedef IUnknown *PUNKNOWN;
00055 
00056 /* ===============================================================
00057     IUnknown definition
00058     Boilerplate code macro for use in subclassed interfaces
00059 */
00060 
00061 #define DEFINE_ABSTRACT_UNKNOWN()             \
00062   STDMETHOD_(NTSTATUS, QueryInterface)( THIS_ \
00063     REFIID InterfaceId,                       \
00064     PVOID* Interface) PURE;                   \
00065                                               \
00066   STDMETHOD_(ULONG, AddRef)(THIS) PURE;       \
00067                                               \
00068   STDMETHOD_(ULONG, Release)(THIS) PURE;
00069 
00070 /* ===============================================================
00071     Constructor callback definition
00072 */
00073 
00074 typedef HRESULT
00075 (NTAPI *PFNCREATEINSTANCE)(
00076   OUT PUNKNOWN* Unknown,
00077   IN REFCLSID ClassId,
00078   IN PUNKNOWN OuterUnknown,
00079   IN POOL_TYPE PoolType);
00080 
00081 #endif /* _UNKNOWN_H_ */
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