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Complementary to r75353: implement RxCancelNotifyChangeDirectoryRequestsForFobx()

CORE-11327

svn path=/trunk/; revision=75354
This commit is contained in:
Pierre Schweitzer 2017-07-15 11:41:24 +00:00
parent 8f00170a93
commit 13ae1129e5
1 changed files with 71 additions and 1 deletions
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72
reactos/sdk/lib/drivers/rdbsslib/rdbss.c
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@ -906,11 +906,81 @@ RxAllocateCanonicalNameBuffer(
return STATUS_SUCCESS; return STATUS_SUCCESS;
} }
/*
* @implemented
*/
VOID VOID
RxCancelNotifyChangeDirectoryRequestsForFobx( RxCancelNotifyChangeDirectoryRequestsForFobx(
PFOBX Fobx) PFOBX Fobx)
{ {
UNIMPLEMENTED; KIRQL OldIrql;
PLIST_ENTRY Entry;
PRX_CONTEXT Context;
LIST_ENTRY ContextsToCancel;
/* Init a list for the contexts to cancel */
InitializeListHead(&ContextsToCancel);
/* Lock our list lock */
KeAcquireSpinLock(&RxStrucSupSpinLock, &OldIrql);
/* Now, browse all the active contexts, to find the associated ones */
Entry = RxActiveContexts.Flink;
while (Entry != &RxActiveContexts)
{
Context = CONTAINING_RECORD(Entry, RX_CONTEXT, ContextListEntry);
Entry = Entry->Flink;
/* Not the IRP we're looking for, ignore */
if (Context->MajorFunction != IRP_MJ_DIRECTORY_CONTROL ||
Context->MinorFunction != IRP_MN_NOTIFY_CHANGE_DIRECTORY)
{
continue;
}
/* Not the FOBX we're looking for, ignore */
if ((PFOBX)Context->pFobx != Fobx)
{
continue;
}
/* No cancel routine (can't be cancel, then), ignore */
if (Context->MRxCancelRoutine == NULL)
{
continue;
}
/* Mark our context as cancelled */
SetFlag(Context->Flags, RX_CONTEXT_FLAG_CANCELLED);
/* Move it to our list */
RemoveEntryList(&Context->ContextListEntry);
InsertTailList(&ContextsToCancel, &Context->ContextListEntry);
InterlockedIncrement((volatile long *)&Context->ReferenceCount);
}
/* Done with the contexts */
KeReleaseSpinLock(&RxStrucSupSpinLock, OldIrql);
/* Now, handle all our "extracted" contexts */
while (!IsListEmpty(&ContextsToCancel))
{
Entry = RemoveHeadList(&ContextsToCancel);
Context = CONTAINING_RECORD(Entry, RX_CONTEXT, ContextListEntry);
/* If they had an associated IRP (should be always true) */
if (Context->CurrentIrp != NULL)
{
/* Then, call cancel routine */
ASSERT(Context->MRxCancelRoutine != NULL);
DPRINT1("Canceling %p with %p\n", Context, Context->MRxCancelRoutine);
Context->MRxCancelRoutine(Context);
}
/* And delete the context */
RxDereferenceAndDeleteRxContext(Context);
}
} }
/* /*