mirror of
https://github.com/reactos/reactos.git
synced 2024-10-04 16:36:11 +00:00
[WIN32K]
Don't calll GDIOBJ_vDereferenceObject from GDIOBJ_vUnlockObject, instead manually decrement the reference count. This allows us to ASSERT that the former function is never called with an exclusive lock held. svn path=/trunk/; revision=56458
This commit is contained in:
parent
bb3050e722
commit
c99f588f86
|
@ -476,6 +476,9 @@ GDIOBJ_vDereferenceObject(POBJ pobj)
|
|||
{
|
||||
ULONG cRefs, ulIndex;
|
||||
|
||||
/* Must not be exclusively locked */
|
||||
ASSERT(pobj->cExclusiveLock == 0);
|
||||
|
||||
/* Check if the object has a handle */
|
||||
if (GDI_HANDLE_GET_INDEX(pobj->hHmgr))
|
||||
{
|
||||
|
@ -647,11 +650,13 @@ VOID
|
|||
NTAPI
|
||||
GDIOBJ_vUnlockObject(POBJ pobj)
|
||||
{
|
||||
ULONG cRefs, ulIndex;
|
||||
ASSERT(pobj->cExclusiveLock > 0);
|
||||
|
||||
/* Decrease lock count */
|
||||
pobj->cExclusiveLock--;
|
||||
DBG_DECREASE_LOCK_COUNT(PsGetCurrentProcessWin32Process(), pobj->hHmgr);
|
||||
DBG_LOGEVENT(&pobj->slhLog, EVENT_UNLOCK, 0);
|
||||
|
||||
/* Check if this was the last lock */
|
||||
if (pobj->cExclusiveLock == 0)
|
||||
|
@ -664,9 +669,13 @@ GDIOBJ_vUnlockObject(POBJ pobj)
|
|||
KeLeaveCriticalRegion();
|
||||
}
|
||||
|
||||
/* Dereference the object */
|
||||
DBG_LOGEVENT(&pobj->slhLog, EVENT_UNLOCK, 0);
|
||||
GDIOBJ_vDereferenceObject(pobj);
|
||||
/* Calculate the index */
|
||||
ulIndex = GDI_HANDLE_GET_INDEX(pobj->hHmgr);
|
||||
|
||||
/* Decrement reference count */
|
||||
ASSERT((gpaulRefCount[ulIndex] & REF_MASK_COUNT) > 0);
|
||||
cRefs = InterlockedDecrement((LONG*)&gpaulRefCount[ulIndex]);
|
||||
ASSERT(cRefs & REF_MASK_VALID);
|
||||
}
|
||||
|
||||
HGDIOBJ
|
||||
|
|
Loading…
Reference in a new issue