2011-02-18 14:35:44 +00:00
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#pragma once
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2015-02-20 21:25:10 +00:00
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#define GDI_DBG_MAX_BTS 10
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2015-09-09 14:00:43 +00:00
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#if DBG && defined(KDBG)
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2015-02-20 21:25:10 +00:00
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#define ASSERT_NOGDILOCKS() GdiDbgAssertNoLocks(__FILE__,__LINE__)
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#define KeRosDumpStackFrames(Frames, Count) \
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KdSystemDebugControl('DsoR', (PVOID)Frames, Count, NULL, 0, NULL, KernelMode)
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#else
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#define ASSERT_NOGDILOCKS()
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#define KeRosDumpStackFrames(Frames, Count)
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#endif
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ULONG
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NTAPI
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DbgCaptureStackBackTace(
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_Out_writes_(cFramesToCapture) PVOID* ppvFrames,
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_In_ ULONG cFramesToSkip,
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_In_ ULONG cFramesToCapture);
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BOOL
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NTAPI
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DbgGdiHTIntegrityCheck(
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VOID);
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VOID
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NTAPI
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DbgDumpLockedGdiHandles(
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VOID);
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#if DBG_ENABLE_GDIOBJ_BACKTRACES
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VOID
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NTAPI
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DbgDumpGdiHandleTableWithBT(VOID);
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#endif
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2015-09-09 14:00:43 +00:00
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#if defined(KDBG)
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2015-02-20 21:25:10 +00:00
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BOOLEAN
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NTAPI
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DbgGdiKdbgCliCallback(
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_In_ PCHAR Command,
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_In_ ULONG Argc,
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_In_ PCH Argv[]);
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#endif
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#if DBG_ENABLE_EVENT_LOGGING
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[WIN32K]
Rewrite of the GDI handle manager
- The old handle manager used a completely retarded spinlock in combination with KeDelayExecutionThread() for both exclusive
and shared locks. This is probably the most uneffective algorithm possible. It was also duplicating code everywhere and it was a overall mess It
is now replaced with a lock-free reference counter for shared locks and a pushlock for exclusive locks. -> Better performance and scalability.
- Allocate user mode object attributes from the new gdi pool. This way, we don't need any caching, since the pool serves as a cache. Its also
much faster and uses much less memory.
- Allow object allocations of different size, instead of fixed size from a table. This way a single allocation can take care of actual needs.
- Allow allcoating objects without a handle and insert them into the handle table later
- Properly synchronize the process GDIHandleCount. Now gdiview and taskmanager show the correct number of gdi handles.
- Implement a new event tracking system, that is capable of tracking all reverences and locks of objects and pool allocations to help track
possible leaks
- Make sure that all objects of a process are deleted in cleanup
- Make sure all usermode memory allocations are freed, when cleaning up the process pool.
- Make sure that each object type is using the correct type of lock (either shared or exclusive, not a mixture)
- Fix some object / reference leaks
- Lots of inferface improvements
- Use global variables for certain things instead of members in the mapped gdi handle table
- Make IntSysCreateRectpRgn create a region without a handle
- Fix detection od source and mask use in GreStretchBltMask
- Use GDIOBJ_bLockMultipleObjects in NtGdiCombineRegion to avoid possible deadlocks
- Fix NtGdiAbortPath to reset DCPATH_ACTIVE flag in the dc and only bail out on error, instead of always
- Replace DC_AllocateDcAttr and DC_AllocDcAttr with DC_bAllocDcAttr using the new user mode pool
- Remove DCU_SyncDcAttrtoUser and DCU_SynchDcAttrtoUser. Those functions were unused and didn't do anything useful anyway,
- Replace IntGdiSetDCOwnerEx and DC_SetOwnership with GreSetDCOwner, remove unused NoSetBrush parameter
- Replace GDIOBJ_bValidateHandle and IsObjectDead with GreIsHandleValid
- Chage GDIOBJ_bLockMultipleObjects: pass object type, return a BOOL, whether all objects could be locked, cleanup on failure
svn path=/trunk/; revision=51470
2011-04-28 08:26:46 +00:00
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typedef enum _LOG_EVENT_TYPE
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{
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EVENT_ALLOCATE,
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EVENT_CREATE_HANDLE,
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EVENT_REFERENCE,
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EVENT_DEREFERENCE,
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EVENT_LOCK,
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EVENT_UNLOCK,
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EVENT_DELETE,
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EVENT_FREE,
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EVENT_SET_OWNER,
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} LOG_EVENT_TYPE;
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typedef struct _LOGENTRY
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{
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SLIST_ENTRY sleLink;
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LOG_EVENT_TYPE nEventType;
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DWORD dwProcessId;
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DWORD dwThreadId;
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ULONG ulUnique;
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LPARAM lParam;
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PVOID apvBackTrace[20];
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union
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{
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ULONG_PTR data1;
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} data;
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} LOGENTRY, *PLOGENTRY;
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2015-02-20 21:25:10 +00:00
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VOID
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2012-10-01 23:06:32 +00:00
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NTAPI
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2015-02-20 21:25:10 +00:00
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DbgDumpEventList(
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_Inout_ PSLIST_HEADER pslh);
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VOID
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NTAPI
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DbgLogEvent(
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_Inout_ PSLIST_HEADER pslh,
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_In_ LOG_EVENT_TYPE nEventType,
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_In_ LPARAM lParam);
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VOID
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NTAPI
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DbgCleanupEventList(
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_Inout_ PSLIST_HEADER pslh);
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VOID
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NTAPI
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DbgPrintEvent(
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_Inout_ PLOGENTRY pLogEntry);
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2012-10-01 23:06:32 +00:00
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[WIN32K]
Rewrite of the GDI handle manager
- The old handle manager used a completely retarded spinlock in combination with KeDelayExecutionThread() for both exclusive
and shared locks. This is probably the most uneffective algorithm possible. It was also duplicating code everywhere and it was a overall mess It
is now replaced with a lock-free reference counter for shared locks and a pushlock for exclusive locks. -> Better performance and scalability.
- Allocate user mode object attributes from the new gdi pool. This way, we don't need any caching, since the pool serves as a cache. Its also
much faster and uses much less memory.
- Allow object allocations of different size, instead of fixed size from a table. This way a single allocation can take care of actual needs.
- Allow allcoating objects without a handle and insert them into the handle table later
- Properly synchronize the process GDIHandleCount. Now gdiview and taskmanager show the correct number of gdi handles.
- Implement a new event tracking system, that is capable of tracking all reverences and locks of objects and pool allocations to help track
possible leaks
- Make sure that all objects of a process are deleted in cleanup
- Make sure all usermode memory allocations are freed, when cleaning up the process pool.
- Make sure that each object type is using the correct type of lock (either shared or exclusive, not a mixture)
- Fix some object / reference leaks
- Lots of inferface improvements
- Use global variables for certain things instead of members in the mapped gdi handle table
- Make IntSysCreateRectpRgn create a region without a handle
- Fix detection od source and mask use in GreStretchBltMask
- Use GDIOBJ_bLockMultipleObjects in NtGdiCombineRegion to avoid possible deadlocks
- Fix NtGdiAbortPath to reset DCPATH_ACTIVE flag in the dc and only bail out on error, instead of always
- Replace DC_AllocateDcAttr and DC_AllocDcAttr with DC_bAllocDcAttr using the new user mode pool
- Remove DCU_SyncDcAttrtoUser and DCU_SynchDcAttrtoUser. Those functions were unused and didn't do anything useful anyway,
- Replace IntGdiSetDCOwnerEx and DC_SetOwnership with GreSetDCOwner, remove unused NoSetBrush parameter
- Replace GDIOBJ_bValidateHandle and IsObjectDead with GreIsHandleValid
- Chage GDIOBJ_bLockMultipleObjects: pass object type, return a BOOL, whether all objects could be locked, cleanup on failure
svn path=/trunk/; revision=51470
2011-04-28 08:26:46 +00:00
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#define DBG_LOGEVENT(pslh, type, val) DbgLogEvent(pslh, type, (ULONG_PTR)val)
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#define DBG_INITLOG(pslh) InitializeSListHead(pslh)
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#define DBG_DUMP_EVENT_LIST(pslh) DbgDumpEventList(pslh)
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#define DBG_CLEANUP_EVENT_LIST(pslh) DbgCleanupEventList(pslh)
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2015-02-20 21:25:10 +00:00
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[WIN32K]
Rewrite of the GDI handle manager
- The old handle manager used a completely retarded spinlock in combination with KeDelayExecutionThread() for both exclusive
and shared locks. This is probably the most uneffective algorithm possible. It was also duplicating code everywhere and it was a overall mess It
is now replaced with a lock-free reference counter for shared locks and a pushlock for exclusive locks. -> Better performance and scalability.
- Allocate user mode object attributes from the new gdi pool. This way, we don't need any caching, since the pool serves as a cache. Its also
much faster and uses much less memory.
- Allow object allocations of different size, instead of fixed size from a table. This way a single allocation can take care of actual needs.
- Allow allcoating objects without a handle and insert them into the handle table later
- Properly synchronize the process GDIHandleCount. Now gdiview and taskmanager show the correct number of gdi handles.
- Implement a new event tracking system, that is capable of tracking all reverences and locks of objects and pool allocations to help track
possible leaks
- Make sure that all objects of a process are deleted in cleanup
- Make sure all usermode memory allocations are freed, when cleaning up the process pool.
- Make sure that each object type is using the correct type of lock (either shared or exclusive, not a mixture)
- Fix some object / reference leaks
- Lots of inferface improvements
- Use global variables for certain things instead of members in the mapped gdi handle table
- Make IntSysCreateRectpRgn create a region without a handle
- Fix detection od source and mask use in GreStretchBltMask
- Use GDIOBJ_bLockMultipleObjects in NtGdiCombineRegion to avoid possible deadlocks
- Fix NtGdiAbortPath to reset DCPATH_ACTIVE flag in the dc and only bail out on error, instead of always
- Replace DC_AllocateDcAttr and DC_AllocDcAttr with DC_bAllocDcAttr using the new user mode pool
- Remove DCU_SyncDcAttrtoUser and DCU_SynchDcAttrtoUser. Those functions were unused and didn't do anything useful anyway,
- Replace IntGdiSetDCOwnerEx and DC_SetOwnership with GreSetDCOwner, remove unused NoSetBrush parameter
- Replace GDIOBJ_bValidateHandle and IsObjectDead with GreIsHandleValid
- Chage GDIOBJ_bLockMultipleObjects: pass object type, return a BOOL, whether all objects could be locked, cleanup on failure
svn path=/trunk/; revision=51470
2011-04-28 08:26:46 +00:00
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#else
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2015-02-20 21:25:10 +00:00
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2013-07-20 12:12:13 +00:00
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#define DBG_LOGEVENT(pslh, type, val) ((void)(val))
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[WIN32K]
Rewrite of the GDI handle manager
- The old handle manager used a completely retarded spinlock in combination with KeDelayExecutionThread() for both exclusive
and shared locks. This is probably the most uneffective algorithm possible. It was also duplicating code everywhere and it was a overall mess It
is now replaced with a lock-free reference counter for shared locks and a pushlock for exclusive locks. -> Better performance and scalability.
- Allocate user mode object attributes from the new gdi pool. This way, we don't need any caching, since the pool serves as a cache. Its also
much faster and uses much less memory.
- Allow object allocations of different size, instead of fixed size from a table. This way a single allocation can take care of actual needs.
- Allow allcoating objects without a handle and insert them into the handle table later
- Properly synchronize the process GDIHandleCount. Now gdiview and taskmanager show the correct number of gdi handles.
- Implement a new event tracking system, that is capable of tracking all reverences and locks of objects and pool allocations to help track
possible leaks
- Make sure that all objects of a process are deleted in cleanup
- Make sure all usermode memory allocations are freed, when cleaning up the process pool.
- Make sure that each object type is using the correct type of lock (either shared or exclusive, not a mixture)
- Fix some object / reference leaks
- Lots of inferface improvements
- Use global variables for certain things instead of members in the mapped gdi handle table
- Make IntSysCreateRectpRgn create a region without a handle
- Fix detection od source and mask use in GreStretchBltMask
- Use GDIOBJ_bLockMultipleObjects in NtGdiCombineRegion to avoid possible deadlocks
- Fix NtGdiAbortPath to reset DCPATH_ACTIVE flag in the dc and only bail out on error, instead of always
- Replace DC_AllocateDcAttr and DC_AllocDcAttr with DC_bAllocDcAttr using the new user mode pool
- Remove DCU_SyncDcAttrtoUser and DCU_SynchDcAttrtoUser. Those functions were unused and didn't do anything useful anyway,
- Replace IntGdiSetDCOwnerEx and DC_SetOwnership with GreSetDCOwner, remove unused NoSetBrush parameter
- Replace GDIOBJ_bValidateHandle and IsObjectDead with GreIsHandleValid
- Chage GDIOBJ_bLockMultipleObjects: pass object type, return a BOOL, whether all objects could be locked, cleanup on failure
svn path=/trunk/; revision=51470
2011-04-28 08:26:46 +00:00
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#define DBG_INITLOG(pslh)
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#define DBG_DUMP_EVENT_LIST(pslh)
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#define DBG_CLEANUP_EVENT_LIST(pslh)
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2011-02-19 21:56:43 +00:00
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2015-02-20 21:25:10 +00:00
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#endif
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2011-02-18 14:35:44 +00:00
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2011-02-19 21:56:43 +00:00
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#if DBG
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void
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NTAPI
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2012-02-06 12:30:59 +00:00
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GdiDbgPreServiceHook(ULONG ulSyscallId, PULONG_PTR pulArguments);
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2011-02-19 21:56:43 +00:00
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ULONG_PTR
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NTAPI
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2012-02-06 12:30:59 +00:00
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GdiDbgPostServiceHook(ULONG ulSyscallId, ULONG_PTR ulResult);
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2011-02-19 21:56:43 +00:00
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#define ID_Win32PreServiceHook 'WSH0'
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#define ID_Win32PostServiceHook 'WSH1'
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2015-03-25 22:32:22 +00:00
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#ifndef __cplusplus
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2011-02-19 21:56:43 +00:00
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FORCEINLINE void
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2011-03-05 10:21:07 +00:00
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GdiDbgAssertNoLocks(char * pszFile, ULONG nLine)
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2011-02-19 21:56:43 +00:00
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{
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PTHREADINFO pti = (PTHREADINFO)PsGetCurrentThreadWin32Thread();
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if (pti && pti->cExclusiveLocks != 0)
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{
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2014-09-22 14:33:06 +00:00
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ULONG i;
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2012-07-31 18:40:52 +00:00
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DbgPrint("(%s:%lu) There are %lu exclusive locks!\n",
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2011-02-19 21:56:43 +00:00
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pszFile, nLine, pti->cExclusiveLocks);
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2014-09-22 14:33:06 +00:00
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for (i = 0; i < (GDIObjTypeTotal + 1); i++)
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DbgPrint(" Type %u: %u.\n", i, pti->acExclusiveLockCount[i]);
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2011-02-19 21:56:43 +00:00
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ASSERT(FALSE);
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}
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}
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2015-03-25 22:32:22 +00:00
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#endif // __cplusplus
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2011-02-19 21:56:43 +00:00
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#endif
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2015-02-20 21:25:10 +00:00
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