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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
//+---------------------------------------------------------------------------
//
// File: oletls.h
//
//
// Purpose: manage thread local storage for OLE
//
// Notes: The gTlsIndex is initialized at process attach time.
// The per-thread data is allocated in CoInitialize in
// single-threaded apartments or on first use in
// multi-threaded apartments.
//
//----------------------------------------------------------------------------
#ifndef _OLETLS_H_
#define _OLETLS_H_
#ifndef FEATURE_COMINTEROP_APARTMENT_SUPPORT
#error FEATURE_COMINTEROP_APARTMENT_SUPPORT is required for this file
#endif // FEATURE_COMINTEROP_APARTMENT_SUPPORT
//+---------------------------------------------------------------------------
//
// forward declarations (in order to avoid type casting when accessing
// data members of the SOleTlsData structure).
//
//+---------------------------------------------------------------------------
class CAptCallCtrl; // see callctrl.hxx
class CSrvCallState; // see callctrl.hxx
class CObjServer; // see sobjact.hxx
class CSmAllocator; // see stg\h\smalloc.hxx
class CMessageCall; // see call.hxx
class CClientCall; // see call.hxx
class CAsyncCall; // see call.hxx
class CClipDataObject; // see ole232\clipbrd\clipdata.h
class CSurrogatedObjectList; // see com\inc\comsrgt.hxx
class CCtxCall; // see PSTable.hxx
class CPolicySet; // see PSTable.hxx
class CObjectContext; // see context.hxx
class CComApartment; // see aprtmnt.hxx
//+-------------------------------------------------------------------
//
// Struct: CallEntry
//
// Synopsis: Call Table Entry.
//
//+-------------------------------------------------------------------
typedef struct tagCallEntry
{
void *pNext; // ptr to next entry
void *pvObject; // Entry object
} CallEntry;
//+---------------------------------------------------------------------------
//
// Enum: OLETLSFLAGS
//
// Synopsys: bit values for dwFlags field of SOleTlsData. If you just want
// to store a BOOL in TLS, use this enum and the dwFlag field.
//
//+---------------------------------------------------------------------------
typedef enum tagOLETLSFLAGS
{
OLETLS_LOCALTID = 0x01, // This TID is in the current process.
OLETLS_UUIDINITIALIZED = 0x02, // This Logical thread is init'd.
OLETLS_INTHREADDETACH = 0x04, // This is in thread detach. Needed
// due to NT's special thread detach
// rules.
OLETLS_CHANNELTHREADINITIALZED = 0x08,// This channel has been init'd
OLETLS_WOWTHREAD = 0x10, // This thread is a 16-bit WOW thread.
OLETLS_THREADUNINITIALIZING = 0x20, // This thread is in CoUninitialize.
OLETLS_DISABLE_OLE1DDE = 0x40, // This thread can't use a DDE window.
OLETLS_APARTMENTTHREADED = 0x80, // This is an STA apartment thread
OLETLS_MULTITHREADED = 0x100, // This is an MTA apartment thread
OLETLS_IMPERSONATING = 0x200, // This thread is impersonating
OLETLS_DISABLE_EVENTLOGGER = 0x400, // Prevent recursion in event logger
OLETLS_INNEUTRALAPT = 0x800, // This thread is in the NTA
OLETLS_DISPATCHTHREAD = 0x1000, // This is a dispatch thread
OLETLS_HOSTTHREAD = 0x2000, // This is a host thread
OLETLS_ALLOWCOINIT = 0x4000, // This thread allows inits
OLETLS_PENDINGUNINIT = 0x8000, // This thread has pending uninit
OLETLS_FIRSTMTAINIT = 0x10000,// First thread to attempt an MTA init
OLETLS_FIRSTNTAINIT = 0x20000,// First thread to attempt an NTA init
OLETLS_APTINITIALIZING = 0x40000 // Apartment Object is initializing
} OLETLSFLAGS;
//+---------------------------------------------------------------------------
//
// Structure: SOleTlsData
//
// Synopsis: structure holding per thread state needed by OLE32
//
//+---------------------------------------------------------------------------
typedef struct tagSOleTlsData
{
#if !defined(_CHICAGO_)
// Docfile multiple allocator support
void *pvThreadBase; // per thread base pointer
CSmAllocator *pSmAllocator; // per thread docfile allocator
#endif
DWORD dwApartmentID; // Per thread "process ID"
DWORD dwFlags; // see OLETLSFLAGS above
LONG TlsMapIndex; // index in the global TLSMap
void **ppTlsSlot; // Back pointer to the thread tls slot
DWORD cComInits; // number of per-thread inits
DWORD cOleInits; // number of per-thread OLE inits
DWORD cCalls; // number of outstanding calls
CMessageCall *pCallInfo; // channel call info
CAsyncCall *pFreeAsyncCall; // ptr to available call object for this thread.
CClientCall *pFreeClientCall; // ptr to available call object for this thread.
CObjServer *pObjServer; // Activation Server Object for this apartment.
DWORD dwTIDCaller; // TID of current calling app
CObjectContext *pCurrentCtx; // Current context
CObjectContext *pEmptyCtx; // Empty context
CObjectContext *pNativeCtx; // Native context
CComApartment *pNativeApt; // Native apartment for the thread.
IUnknown *pCallContext; // call context object
CCtxCall *pCtxCall; // Context call object
CPolicySet *pPS; // Policy set
PVOID pvPendingCallsFront;// Per Apt pending async calls
PVOID pvPendingCallsBack;
CAptCallCtrl *pCallCtrl; // call control for RPC for this apartment
CSrvCallState *pTopSCS; // top server-side callctrl state
IMessageFilter *pMsgFilter; // temp storage for App MsgFilter
HWND hwndSTA; // STA server window same as poxid->hServerSTA
// ...needed on Win95 before oxid registration
LONG cORPCNestingLevel; // call nesting level (DBG only)
DWORD cDebugData; // count of bytes of debug data in call
ULONG cPreRegOidsAvail; // count of server-side OIDs avail
unsigned hyper *pPreRegOids; // ptr to array of pre-reg OIDs
UUID LogicalThreadId; // current logical thread id
HANDLE hThread; // Thread handle used for cancel
HANDLE hRevert; // Token before first impersonate.
IUnknown *pAsyncRelease; // Controlling unknown for async release
// DDE data
HWND hwndDdeServer; // Per thread Common DDE server
HWND hwndDdeClient; // Per thread Common DDE client
ULONG cServeDdeObjects; // non-zero if objects DDE should serve
// ClassCache data
LPVOID pSTALSvrsFront; // Chain of LServers registers in this thread if STA
// upper layer data
HWND hwndClip; // Clipboard window
IDataObject *pDataObjClip; // Current Clipboard DataObject
DWORD dwClipSeqNum; // Clipboard Sequence # for the above DataObject
DWORD fIsClipWrapper; // Did we hand out the wrapper Clipboard DataObject?
IUnknown *punkState; // Per thread "state" object
// cancel data
DWORD cCallCancellation; // count of CoEnableCallCancellation
// async sends data
DWORD cAsyncSends; // count of async sends outstanding
CAsyncCall* pAsyncCallList; // async calls outstanding
CSurrogatedObjectList *pSurrogateList; // Objects in the surrogate
LockEntry lockEntry; // Locks currently held by the thread
CallEntry CallEntry; // client-side call chain for this thread
#ifdef WX86OLE
IUnknown *punkStateWx86; // Per thread "state" object for Wx86
#endif
void *pDragCursors; // Per thread drag cursor table.
#ifdef _CHICAGO_
LPVOID pWcstokContext; // Scan context for wcstok
#endif
IUnknown *punkError; // Per thread error object.
ULONG cbErrorData; // Maximum size of error data.
#if(_WIN32_WINNT >= 0x0500)
IUnknown *punkActiveXSafetyProvider;
#endif //(_WIN32_WINNT >= 0x0500)
#if DBG==1
LONG cTraceNestingLevel; // call nesting level for OLETRACE
#endif
} SOleTlsData;
#ifdef INITGUID
#include "initguid.h"
#endif
#define DEFINE_OLEGUID(name, l, w1, w2) \
DEFINE_GUID(name, l, w1, w2, 0xC0,0,0,0,0,0,0,0x46)
DEFINE_OLEGUID(IID_IStdIdentity, 0x0000001bL, 0, 0);
DEFINE_OLEGUID(IID_IStdWrapper, 0x000001caL, 0, 0);
#endif // _OLETLS_H_
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