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