568 lines
21 KiB
C
568 lines
21 KiB
C
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// File: tls.hxx
|
||
|
|
//
|
||
|
|
// 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.
|
||
|
|
//
|
||
|
|
// The non-inline routines are in ..\com\class\tls.cxx
|
||
|
|
//
|
||
|
|
// History: 16-Jun-94 BruceMa Don't decrement 0 thread count
|
||
|
|
// 17-Jun-94 Bradloc Added punkState for VB94
|
||
|
|
// 20-Jun-94 Rickhi Commented better
|
||
|
|
// 06-Jul-94 BruceMa Support for CoGetCurrentProcess
|
||
|
|
// 19-Jul-94 CraigWi Removed TLSGetEvent (used cache instead)
|
||
|
|
// 21-Jul-94 AlexT Add TLSIncOleInit, TLSDecOleInit
|
||
|
|
// 21-Aug-95 ShannonC Removed TLSSetMalloc, TLSGetMalloc
|
||
|
|
// 06-Oct-95 Rickhi Simplified. Made into a C++ class.
|
||
|
|
// 01-Feb-96 Rickhi On Nt, access TEB directly
|
||
|
|
// 30-May-96 ShannonC Add punkError
|
||
|
|
// 12-Sep-96 rogerg Add pDataObjClip
|
||
|
|
// 26-Nov-96 Gopalk Add IsOleInitialized
|
||
|
|
// 13-Jan-97 RichN Add pContextObj
|
||
|
|
// 10-Feb-99 TarunA Add cAsyncSends
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
#ifndef _TLS_HXX_
|
||
|
|
#define _TLS_HXX_
|
||
|
|
|
||
|
|
|
||
|
|
#include <rpc.h> // UUID
|
||
|
|
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// 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
|
||
|
|
|
||
|
|
#ifdef _CHICAGO_
|
||
|
|
// Chicago uses the Thread Local Storage APIs
|
||
|
|
extern DWORD gTlsIndex; // global Index for TLS
|
||
|
|
#endif // _CHICAGO_
|
||
|
|
|
||
|
|
//+-------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Struct: CallEntry
|
||
|
|
//
|
||
|
|
// Synopsis: Call Table Entry.
|
||
|
|
//
|
||
|
|
//+-------------------------------------------------------------------
|
||
|
|
typedef struct tagCallEntry
|
||
|
|
{
|
||
|
|
void *pNext; // ptr to next entry
|
||
|
|
void *pvObject; // Entry object
|
||
|
|
} CallEntry;
|
||
|
|
|
||
|
|
|
||
|
|
//+-------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Struct: LockEntry
|
||
|
|
//
|
||
|
|
// Synopsis: Call Table Entry.
|
||
|
|
//
|
||
|
|
//+-------------------------------------------------------------------
|
||
|
|
#define LOCKS_PER_ENTRY 16
|
||
|
|
typedef struct tagLockEntry
|
||
|
|
{
|
||
|
|
tagLockEntry *pNext; // ptr to next entry
|
||
|
|
WORD wReaderLevel[LOCKS_PER_ENTRY]; // reader nesting level
|
||
|
|
} LockEntry;
|
||
|
|
|
||
|
|
|
||
|
|
//+-------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Struct: ContextStackNode
|
||
|
|
//
|
||
|
|
// Synopsis: Stack of contexts used with Services Without Components
|
||
|
|
//
|
||
|
|
//+-------------------------------------------------------------------
|
||
|
|
typedef struct tagContextStackNode
|
||
|
|
{
|
||
|
|
tagContextStackNode* pNext;
|
||
|
|
CObjectContext* pSavedContext;
|
||
|
|
CObjectContext* pServerContext;
|
||
|
|
CCtxCall* pClientCall;
|
||
|
|
CCtxCall* pServerCall;
|
||
|
|
CPolicySet* pPS;
|
||
|
|
} ContextStackNode;
|
||
|
|
|
||
|
|
//+-------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Struct: InitializeSpyNode
|
||
|
|
//
|
||
|
|
// Synopsis: Node in a linked list of Initialize Spy registrations
|
||
|
|
//
|
||
|
|
//+-------------------------------------------------------------------
|
||
|
|
typedef struct tagInitializeSpyNode
|
||
|
|
{
|
||
|
|
tagInitializeSpyNode *pNext;
|
||
|
|
tagInitializeSpyNode *pPrev;
|
||
|
|
DWORD dwRefs;
|
||
|
|
DWORD dwCookie;
|
||
|
|
IInitializeSpy *pInitSpy;
|
||
|
|
} InitializeSpyNode;
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// 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
|
||
|
|
{
|
||
|
|
// jsimmons 5/23/2001
|
||
|
|
// Alert Alert: nefarious folks (eg, URT) are looking in our TLS at
|
||
|
|
// various stuff. They expect that pCurrentCtx will be at a certain
|
||
|
|
// offset from the beginning of the tls struct. So don't add, delete, or
|
||
|
|
// move any members within this block.
|
||
|
|
|
||
|
|
/////////////////////////////////////////////////////////////////////////////////////////
|
||
|
|
// ********* BEGIN "NO MUCKING AROUND" BLOCK *********
|
||
|
|
/////////////////////////////////////////////////////////////////////////////////////////
|
||
|
|
// Docfile multiple allocator support
|
||
|
|
void *pvThreadBase; // per thread base pointer
|
||
|
|
CSmAllocator *pSmAllocator; // per thread docfile allocator
|
||
|
|
|
||
|
|
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
|
||
|
|
/////////////////////////////////////////////////////////////////////////////////////////
|
||
|
|
// ********* END "NO MUCKING AROUND" BLOCK *********
|
||
|
|
/////////////////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
CObjectContext *pEmptyCtx; // Empty context
|
||
|
|
|
||
|
|
CObjectContext *pNativeCtx; // Native context
|
||
|
|
ULONGLONG ContextId; // Uniquely identifies the current 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
|
||
|
|
|
||
|
|
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
|
||
|
|
|
||
|
|
ContextStackNode* pContextStack; // Context stack node for SWC.
|
||
|
|
|
||
|
|
InitializeSpyNode *pFirstSpyReg; // First registered IInitializeSpy
|
||
|
|
InitializeSpyNode *pFirstFreeSpyReg; // First available spy registration
|
||
|
|
DWORD dwMaxSpy; // First free IInitializeSpy cookie
|
||
|
|
|
||
|
|
#ifdef WX86OLE
|
||
|
|
IUnknown *punkStateWx86; // Per thread "state" object for Wx86
|
||
|
|
#endif
|
||
|
|
void *pDragCursors; // Per thread drag cursor table.
|
||
|
|
|
||
|
|
IUnknown *punkError; // Per thread error object.
|
||
|
|
ULONG cbErrorData; // Maximum size of error data.
|
||
|
|
|
||
|
|
IUnknown *punkActiveXSafetyProvider;
|
||
|
|
|
||
|
|
#if DBG==1
|
||
|
|
LONG cTraceNestingLevel; // call nesting level for OLETRACE
|
||
|
|
#endif
|
||
|
|
} SOleTlsData;
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// class COleTls
|
||
|
|
//
|
||
|
|
// Synopsis: class to abstract thread-local-storage in OLE.
|
||
|
|
//
|
||
|
|
// Notes: To use Tls in OLE, functions should define an instance of
|
||
|
|
// this class on their stack, then use the -> operator on the
|
||
|
|
// instance to access fields of the SOleTls structure.
|
||
|
|
//
|
||
|
|
// There are two instances of the ctor. One just Assert's that
|
||
|
|
// the SOleTlsData has already been allocated for this thread. Most
|
||
|
|
// internal code should use this ctor, since we can assert that if
|
||
|
|
// the thread made it this far into our code, tls has already been
|
||
|
|
// checked.
|
||
|
|
//
|
||
|
|
// The other ctor will check if SOleTlsData exists, and attempt to
|
||
|
|
// allocate and initialize it if it does not. This ctor will
|
||
|
|
// return an HRESULT. Functions that are entry points to OLE32
|
||
|
|
// should use this version.
|
||
|
|
//
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
class COleTls
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
COleTls();
|
||
|
|
COleTls(HRESULT &hr);
|
||
|
|
COleTls(BOOL fDontAllocateIfNULL);
|
||
|
|
|
||
|
|
// to get direct access to the data structure
|
||
|
|
SOleTlsData * operator->(void) { return _pData; }
|
||
|
|
operator SOleTlsData *() { return _pData; }
|
||
|
|
|
||
|
|
// Helper functions
|
||
|
|
BOOL IsNULL() { return (_pData == NULL) ? TRUE : FALSE; }
|
||
|
|
|
||
|
|
private:
|
||
|
|
|
||
|
|
HRESULT TLSAllocData(); // allocates an SOleTlsData structure
|
||
|
|
|
||
|
|
SOleTlsData * _pData; // ptr to OLE TLS data
|
||
|
|
};
|
||
|
|
|
||
|
|
extern SOleTlsData *TLSLookupThreadId(DWORD dwThreadId);
|
||
|
|
|
||
|
|
|
||
|
|
#ifndef _CHICAGO_
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Method: COleTls::COleTls
|
||
|
|
//
|
||
|
|
// Synopsis: ctor for OLE Tls object.
|
||
|
|
//
|
||
|
|
// Notes: Most internal code should use this version of the ctor,
|
||
|
|
// assuming that some outer-layer function has already verified
|
||
|
|
// the existence of the tls_data.
|
||
|
|
//
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
__forceinline COleTls::COleTls()
|
||
|
|
{
|
||
|
|
_pData = (SOleTlsData *) NtCurrentTeb()->ReservedForOle;
|
||
|
|
Win4Assert(_pData && "Illegal attempt to use TLS before Initialized");
|
||
|
|
}
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Method: COleTls::COleTls
|
||
|
|
//
|
||
|
|
// Synopsis: ctor for OLE Tls object.
|
||
|
|
//
|
||
|
|
// Notes: Special version for CoUninitialize which will not allocate
|
||
|
|
// (or assert) if the TLS is NULL. It can then be checked with
|
||
|
|
// IsNULL member function.
|
||
|
|
//
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
__forceinline COleTls::COleTls(BOOL fDontAllocateIfNULL)
|
||
|
|
{
|
||
|
|
_pData = (SOleTlsData *) NtCurrentTeb()->ReservedForOle;
|
||
|
|
}
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Method: COleTls::COleTls
|
||
|
|
//
|
||
|
|
// Synopsis: ctor for OLE Tls object.
|
||
|
|
//
|
||
|
|
// Notes: Peripheral OLE code that can not assume that some outer-layer
|
||
|
|
// function has already verified the existence of the SOleTlsData
|
||
|
|
// structure for the current thread should use this version of
|
||
|
|
// the ctor.
|
||
|
|
//
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
__forceinline COleTls::COleTls(HRESULT &hr)
|
||
|
|
{
|
||
|
|
_pData = (SOleTlsData *) NtCurrentTeb()->ReservedForOle;
|
||
|
|
if (_pData)
|
||
|
|
hr = S_OK;
|
||
|
|
else
|
||
|
|
hr = TLSAllocData();
|
||
|
|
}
|
||
|
|
|
||
|
|
#else // _CHICAGO_ versions
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Method: COleTls::COleTls
|
||
|
|
//
|
||
|
|
// Synopsis: ctor for OLE Tls object.
|
||
|
|
//
|
||
|
|
// Notes: Most internal code should use this version of the ctor,
|
||
|
|
// assuming that some outer-layer function has already verified
|
||
|
|
// the existence of the tls_data.
|
||
|
|
//
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
inline COleTls::COleTls()
|
||
|
|
{
|
||
|
|
_pData = (SOleTlsData *) TlsGetValue(gTlsIndex);
|
||
|
|
Win4Assert(_pData && "Illegal attempt to use TLS before Initialized");
|
||
|
|
}
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Method: COleTls::COleTls
|
||
|
|
//
|
||
|
|
// Synopsis: ctor for OLE Tls object.
|
||
|
|
//
|
||
|
|
// Notes: Special version for CoUninitialize which will not allocate
|
||
|
|
// (or assert) if the TLS is NULL. It can then be checked with
|
||
|
|
// IsNULL member function.
|
||
|
|
//
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
inline COleTls::COleTls(BOOL fDontAllocateIfNULL)
|
||
|
|
{
|
||
|
|
_pData = (SOleTlsData *) TlsGetValue(gTlsIndex);
|
||
|
|
}
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Method: COleTls::COleTls
|
||
|
|
//
|
||
|
|
// Synopsis: ctor for OLE Tls object.
|
||
|
|
//
|
||
|
|
// Notes: Peripheral OLE code that can not assume that some outer-layer
|
||
|
|
// function has already verified the existence of the SOleTlsData
|
||
|
|
// structure for the current thread should use this version of
|
||
|
|
// the ctor.
|
||
|
|
//
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
inline COleTls::COleTls(HRESULT &hr)
|
||
|
|
{
|
||
|
|
_pData = (SOleTlsData *) TlsGetValue(gTlsIndex);
|
||
|
|
if (_pData)
|
||
|
|
hr = S_OK;
|
||
|
|
else
|
||
|
|
hr = TLSAllocData();
|
||
|
|
}
|
||
|
|
#endif // _CHICAGO_
|
||
|
|
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Enum: APTKIND
|
||
|
|
//
|
||
|
|
// Synopsis: These are the apartment models COM understands. The
|
||
|
|
// GetCurrentApartmentKind functions return one of these values
|
||
|
|
// identifying which apartment the currently executing thread
|
||
|
|
// is in.
|
||
|
|
//
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
typedef enum tagAPTKIND
|
||
|
|
{
|
||
|
|
APTKIND_NEUTRALTHREADED = 0x01,
|
||
|
|
APTKIND_MULTITHREADED = 0x02,
|
||
|
|
APTKIND_APARTMENTTHREADED = 0x04
|
||
|
|
} APTKIND;
|
||
|
|
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Thread IDs for the various apartment types. STA uses the currently
|
||
|
|
// executing TID.
|
||
|
|
//
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
#define MTATID 0x0 // thread id of the MTA
|
||
|
|
#define NTATID 0xFFFFFFFF // thread id of the NTA
|
||
|
|
|
||
|
|
typedef DWORD HAPT;
|
||
|
|
const HAPT haptNULL = 0;
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Function: GetCurrentApartmentId
|
||
|
|
//
|
||
|
|
// Synopsis: Returns the apartment id that the current thread is executing
|
||
|
|
// in. If this is the Multi-threaded apartment, it returns 0; if
|
||
|
|
// it is the Neutral-threaded apartment, it returns 0xFFFFFFFF.
|
||
|
|
//
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
inline DWORD GetCurrentApartmentId()
|
||
|
|
{
|
||
|
|
HRESULT hr;
|
||
|
|
COleTls Tls(hr);
|
||
|
|
|
||
|
|
//
|
||
|
|
// If TLS is not initialized, this is a MTA apartment.
|
||
|
|
//
|
||
|
|
if (FAILED(hr))
|
||
|
|
{
|
||
|
|
return MTATID;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
return (Tls->dwFlags & OLETLS_INNEUTRALAPT) ? NTATID :
|
||
|
|
(Tls->dwFlags & OLETLS_APARTMENTTHREADED) ? GetCurrentThreadId() :
|
||
|
|
MTATID;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Function: DoATClassCreate
|
||
|
|
//
|
||
|
|
// Synopsis: Put a given Class Factory on a new ApartmentModel thread.
|
||
|
|
//
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
|
||
|
|
HRESULT DoATClassCreate(LPFNGETCLASSOBJECT pfn,
|
||
|
|
REFCLSID rclsid, REFIID riid, IUnknown **ppunk);
|
||
|
|
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Function: IsSTAThread
|
||
|
|
//
|
||
|
|
// Synopsis: returns TRUE if the current thread is for a
|
||
|
|
// single-threaded apartment, FALSE otherwise
|
||
|
|
//
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
inline BOOL IsSTAThread()
|
||
|
|
{
|
||
|
|
COleTls Tls;
|
||
|
|
return (Tls->dwFlags & OLETLS_APARTMENTTHREADED) ? TRUE : FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Function: IsMTAThread
|
||
|
|
//
|
||
|
|
// Synopsis: returns TRUE if the current thread is for a
|
||
|
|
// multi-threaded apartment, FALSE otherwise
|
||
|
|
//
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
inline BOOL IsMTAThread()
|
||
|
|
{
|
||
|
|
COleTls Tls;
|
||
|
|
return (Tls->dwFlags & OLETLS_APARTMENTTHREADED) ? FALSE : TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Function: IsOleInitialized
|
||
|
|
//
|
||
|
|
// Synopsis: returns TRUE if the current thread is for a
|
||
|
|
// multi-threaded apartment, FALSE otherwise
|
||
|
|
//
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
inline BOOL IsOleInitialized()
|
||
|
|
{
|
||
|
|
COleTls Tls(FALSE);
|
||
|
|
return((!Tls.IsNULL() && Tls->cOleInits>0) ? TRUE : FALSE);
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL IsApartmentInitialized();
|
||
|
|
IID *TLSGetLogicalThread();
|
||
|
|
BOOLEAN TLSIsWOWThread();
|
||
|
|
BOOLEAN TLSIsThreadDetaching();
|
||
|
|
void CleanupTlsState(SOleTlsData *pTls, BOOL fSafe);
|
||
|
|
|
||
|
|
inline HWND TLSGethwndSTA()
|
||
|
|
{
|
||
|
|
COleTls Tls;
|
||
|
|
|
||
|
|
return(Tls->hwndSTA);
|
||
|
|
}
|
||
|
|
|
||
|
|
inline void TLSSethwndSTA(HWND hwnd)
|
||
|
|
{
|
||
|
|
COleTls Tls;
|
||
|
|
|
||
|
|
Tls->hwndSTA = hwnd;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif // _TLS_HXX_
|