};
static LARGE_INTEGER ShortDelay;
+PGDI_HANDLE_TABLE GdiHandleTable = NULL;
+PSECTION_OBJECT GdiTableSection = NULL;
/** INTERNAL FUNCTIONS ********************************************************/
* Allocate GDI object table.
* \param Size - number of entries in the object table.
*/
-PGDI_HANDLE_TABLE INTERNAL_CALL
+INIT_FUNCTION
+PGDI_HANDLE_TABLE
+INTERNAL_CALL
GDIOBJ_iAllocHandleTable(OUT PSECTION_OBJECT *SectionObject)
{
PGDI_HANDLE_TABLE HandleTable = NULL;
return HandleTable;
}
+INIT_FUNCTION
+NTSTATUS
+NTAPI
+InitGdiHandleTable()
+{
+ /* Create the GDI handle table */
+ GdiHandleTable = GDIOBJ_iAllocHandleTable(&GdiTableSection);
+ if (GdiHandleTable == NULL)
+ {
+ DPRINT1("Failed to initialize the GDI handle table.\n");
+ return STATUS_UNSUCCESSFUL;
+ }
+
+ return STATUS_SUCCESS;
+}
+
+
static void FASTCALL
LockErrorDebugOutput(HGDIOBJ hObj, PGDI_TABLE_ENTRY Entry, LPSTR Function)
{
PEPROCESS OldProcess;
Object->BaseFlags |= BASEFLAG_READY_TO_DIE;
DPRINT("Object %p, ulShareCount = %d\n", Object->hHmgr, Object->ulShareCount);
- //GDIDBG_TRACECALLER();
- //GDIDBG_TRACESHARELOCKER(GDI_HANDLE_GET_INDEX(hObj));
- /* Set NULL owner. This will permit an other process to kill the object
- * Do the work here to avoid race conditions */
+ /* Set NULL owner. Do the work here to avoid race conditions */
Status = PsLookupProcessByProcessId((HANDLE)((ULONG_PTR)PrevProcId & ~0x1), &OldProcess);
if (NT_SUCCESS(Status))
{
}
ObDereferenceObject(OldProcess);
}
- (void)InterlockedExchangePointer((PVOID*)&Entry->ProcessId, PrevProcId);
+ (void)InterlockedExchangePointer((PVOID*)&Entry->ProcessId, NULL);
/* Don't wait on shared locks */
return FALSE;
}
*/
DPRINT1("Object->cExclusiveLock = %d\n", Object->cExclusiveLock);
GDIDBG_TRACECALLER();
- GDIDBG_TRACELOCKER(GDI_HANDLE_GET_INDEX(hObj));
+ GDIDBG_TRACELOCKER(hObj);
(void)InterlockedExchangePointer((PVOID*)&Entry->ProcessId, PrevProcId);
/* do not assert here for it will call again from dxg.sys it being call twice */
}
DPRINT1("Type = 0x%lx, KernelData = 0x%p, ProcessId = 0x%p\n", Entry->Type, Entry->KernelData, Entry->ProcessId);
GDIDBG_TRACECALLER();
- GDIDBG_TRACEALLOCATOR(GDI_HANDLE_GET_INDEX(hObj));
+ GDIDBG_TRACEALLOCATOR(hObj);
}
}
break;
case GDI_OBJECT_TYPE_DC:
- DC_FreeDcAttr(hObject);
+// DC_FreeDcAttr(hObject);
break;
}
if(hObj == NULL)
return NULL ;
+ GDIDBG_INITLOOPTRACE();
+
HandleIndex = GDI_HANDLE_GET_INDEX(hObj);
HandleType = GDI_HANDLE_GET_TYPE(hObj);
HandleUpper = GDI_HANDLE_GET_UPPER(hObj);
/* Check that the handle index is valid. */
- if (HandleIndex >= GDI_HANDLE_COUNT)
+ if (HandleIndex >= GDI_HANDLE_COUNT )
return NULL;
Entry = &GdiHandleTable->Entries[HandleIndex];
{
DPRINT1("Tried to lock object (0x%p) of wrong owner! ProcessId = %p, HandleProcessId = %p\n", hObj, ProcessId, HandleProcessId);
GDIDBG_TRACECALLER();
- GDIDBG_TRACEALLOCATOR(GDI_HANDLE_GET_INDEX(hObj));
+ GDIDBG_TRACEALLOCATOR(hObj);
return NULL;
}
/*
* The handle is currently locked, wait some time and try again.
*/
+ GDIDBG_TRACELOOP(hObj, PrevProcId, NULL);
DelayExecution();
continue;
return MappedView;
}
+/* Locks 2 or 3 objects at a time */
+VOID
+INTERNAL_CALL
+GDIOBJ_LockMultipleObjs(ULONG ulCount,
+ IN HGDIOBJ* ahObj,
+ OUT PGDIOBJ* apObj)
+{
+ UINT auiIndices[3] = {0,1,2};
+ UINT i, tmp ;
+ BOOL bUnsorted = TRUE;
+
+ /* First is greatest */
+ while(bUnsorted)
+ {
+ bUnsorted = FALSE;
+ for(i=1; i<ulCount; i++)
+ {
+ if((ULONG_PTR)ahObj[auiIndices[i-1]] < (ULONG_PTR)ahObj[auiIndices[i]])
+ {
+ tmp = auiIndices[i-1];
+ auiIndices[i-1] = auiIndices[i];
+ auiIndices[i] = tmp;
+ bUnsorted = TRUE;
+ }
+ }
+ }
+
+ for(i=0;i<ulCount;i++)
+ apObj[auiIndices[i]] = GDIOBJ_LockObj(ahObj[auiIndices[i]], GDI_OBJECT_TYPE_DONTCARE);
+}
+
+
/** PUBLIC FUNCTIONS **********************************************************/
BOOL
{
pDC = DC_LockDc ( hDC );
MmCopyFromCaller(&pDC->dcattr, pDC->pdcattr, sizeof(DC_ATTR));
+ DC_vFreeDcAttr(pDC);
DC_UnlockDc( pDC );
- DC_FreeDcAttr( hDC ); // Free the dcattr!
-
if (!DC_SetOwnership( hDC, NULL )) // This hDC is inaccessible!
return Ret;
}