100 lines
3.9 KiB
C
100 lines
3.9 KiB
C
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1995
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//
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// File: ddllcach.h
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//
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// Contents: Contains structure definitons for the significant dll class/
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// cache ole classes which the ntsd extensions need to access.
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// These ole classes cannot be accessed more cleanly because
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// typically the members of interest are protected.
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//
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// WARNING. IF THE REFERENCED OLE CLASSES CHANGE, THEN THESE
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// DEFINITIONS MUST CHANGE!
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//
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// History: 06-01-95 BruceMa Created
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//
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//--------------------------------------------------------------------------
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typedef HRESULT (*DLLUNLOADFNP)(void);
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const DWORD NONE = ~0UL;
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struct SClassEntry
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{
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DWORD _fAtBits; // Whether server is an at bits server
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DWORD _dwNext; // Next entry in in-use or avail list
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DWORD _dwSig; // Marks entry as in use
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CLSID _clsid; // Class of this server
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IUnknown *_pUnk; // Class factory IUnknown
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DWORD _dwContext; // Class context
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DWORD _dwFlags; // Single vs. multiple use
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DWORD _dwReg; // Registration key for caller
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DWORD _dwScmReg; // Registration ID at the SCM
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HAPT _hApt; // Thread Id
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DWORD _cCallOut; // Count of active call outs
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DWORD _fRevokePending;// Whether revoked while calling out
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DWORD _dwDllEnt; // Associated dll path entry
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DWORD _dwNextDllCls; // Next class entrry for this dll
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HWND _hWndDdeServer; // Handle of associated DDE window
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};
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struct SDllAptEntry
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{
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DWORD _dwNext; // Next entry in avail or in use list
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DWORD _dwSig; // Unique signature for apt entries
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HAPT _hApt; // apartment id
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HMODULE _hDll; // module handle
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};
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struct SDllPathEntry
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{
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DWORD _dwNext; // Next in-use/avail entry
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DWORD _dwSig; // Unique signature for safty
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LPWSTR _pwszPath; // The dll pathname
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DWORD _dwHash; // Hash value for searching
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LPFNGETCLASSOBJECT _pfnGetClassObject; // Create object entry point
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DLLUNLOADFNP _pfnDllCanUnload; // DllCanUnloadNow entry point
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DWORD _dwFlags; // Internal flags
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DWORD _dwDllThreadModel:2; // Threading model for the DLL
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DWORD _dw1stClass; // First class entry for dll
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DWORD _cUsing; // Count of using threads
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DWORD _cAptEntries; // Total apt entries
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DWORD _nAptAvail; // List of available apt entries
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DWORD _nAptInUse; // List of in use apt entries
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SDllAptEntry *_pAptEntries; // Per thread info
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};
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struct SDllCache
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{
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SMutexSem _mxsLoadLibrary; // Protects LoadLibrary calls
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SMutexSem _mxs; // Protects from multiple threads
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DWORD _cClassEntries; // Count of class entries
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DWORD _nClassEntryInUse; // First in-use class entry
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DWORD _nClassEntryAvail; // First available class entry
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SClassEntry *_pClassEntries; // Array of class entries
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DWORD _cDllPathEntries; // Count of dll path entries
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DWORD _nDllPathEntryInUse; // First in-use dll path entry
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DWORD _nDllPathEntryAvail; // First available dll path entry
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SDllPathEntry *_pDllPathEntries; // Array of DLL path entries
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};
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