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[NTOSKRNL]

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Implement IoCancelFileOpen().

You can read: http://www.osronline.com/showThread.cfm?link=20807
Even though the proposed implementation is closer to W2K implementation than to W2K3 implementation

In W2K3, no IRP is issued with major close.

svn path=/trunk/; revision=58244
This commit is contained in:
Pierre Schweitzer 2013-01-27 16:18:00 +00:00
parent fc5c683b7b
commit 48c45bbe68
1 changed files with 52 additions and 2 deletions
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54
reactos/ntoskrnl/io/iomgr/file.c
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@ -2488,14 +2488,64 @@ IoSetShareAccess(IN ACCESS_MASK DesiredAccess,
}
/*
* @unimplemented
* @implemented
*/
VOID
NTAPI
IoCancelFileOpen(IN PDEVICE_OBJECT DeviceObject,
IN PFILE_OBJECT FileObject)
{
UNIMPLEMENTED;
PIRP Irp;
KEVENT Event;
NTSTATUS Status;
PIO_STACK_LOCATION Stack;
/* Check if handles were already created for the
* open file. If so, that's over.
*/
if (FileObject->Flags & FO_HANDLE_CREATED)
KeBugCheckEx(INVALID_CANCEL_OF_FILE_OPEN,
(ULONG_PTR)FileObject,
(ULONG_PTR)DeviceObject, 0, 0);
/* Reset the events */
KeInitializeEvent(&Event, SynchronizationEvent, FALSE);
KeClearEvent(&FileObject->Event);
/* Allocate the IRP we'll use */
Irp = IopAllocateIrpMustSucceed(DeviceObject->StackSize);
/* Properly set it */
Irp->Tail.Overlay.Thread = PsGetCurrentThread();
Irp->UserEvent = &Event;
Irp->UserIosb = &Irp->IoStatus;
Irp->Overlay.AsynchronousParameters.UserApcRoutine = NULL;
Irp->Tail.Overlay.OriginalFileObject = FileObject;
Irp->RequestorMode = KernelMode;
Irp->Flags = IRP_CLOSE_OPERATION | IRP_SYNCHRONOUS_API;
Stack = IoGetNextIrpStackLocation(Irp);
Stack->MajorFunction = IRP_MJ_CLEANUP;
Stack->FileObject = FileObject;
// FIXME: Put on top of IRPs list of the thread
/* Call the driver */
Status = IoCallDriver(DeviceObject, Irp);
if (Status == STATUS_PENDING)
{
KeWaitForSingleObject(&Event, UserRequest,
KernelMode, FALSE, NULL);
}
// FIXME: Remove from IRPs list
/* Free the IRP */
IoFreeIrp(Irp);
/* Clear the event */
KeClearEvent(&FileObject->Event);
/* And finally, mark the open operation as canceled */
FileObject->Flags |= FO_FILE_OPEN_CANCELLED;
}
/*