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- Partial implementation of IoSetInformation.

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svn path=/trunk/; revision=13528
This commit is contained in:
Hartmut Birr 2005-02-13 17:10:59 +00:00
parent 516c6b3ffc
commit 6dc6d975d8
1 changed files with 67 additions and 2 deletions
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69
reactos/ntoskrnl/io/share.c
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@ -327,8 +327,73 @@ IoSetInformation(IN PFILE_OBJECT FileObject,
IN ULONG Length,
OUT PVOID FileInformation)
{
UNIMPLEMENTED;
return(STATUS_NOT_IMPLEMENTED);
IO_STATUS_BLOCK IoStatusBlock;
PIRP Irp;
PDEVICE_OBJECT DeviceObject;
PIO_STACK_LOCATION StackPtr;
NTSTATUS Status;
ASSERT(FileInformation != NULL);
if (FileInformationClass == FileCompletionInformation)
{
return STATUS_NOT_IMPLEMENTED;
}
Status = ObReferenceObjectByPointer(FileObject,
FILE_WRITE_ATTRIBUTES,
IoFileObjectType,
KernelMode);
if (!NT_SUCCESS(Status))
{
return(Status);
}
DPRINT("FileObject %x\n", FileObject);
DeviceObject = FileObject->DeviceObject;
Irp = IoAllocateIrp(DeviceObject->StackSize,
TRUE);
if (Irp == NULL)
{
ObDereferenceObject(FileObject);
return STATUS_INSUFFICIENT_RESOURCES;
}
/* Trigger FileObject/Event dereferencing */
Irp->Tail.Overlay.OriginalFileObject = FileObject;
Irp->RequestorMode = KernelMode;
Irp->AssociatedIrp.SystemBuffer = FileInformation;
Irp->UserIosb = &IoStatusBlock;
Irp->UserEvent = &FileObject->Event;
Irp->Tail.Overlay.Thread = PsGetCurrentThread();
KeResetEvent( &FileObject->Event );
StackPtr = IoGetNextIrpStackLocation(Irp);
StackPtr->MajorFunction = IRP_MJ_SET_INFORMATION;
StackPtr->MinorFunction = 0;
StackPtr->Flags = 0;
StackPtr->Control = 0;
StackPtr->DeviceObject = DeviceObject;
StackPtr->FileObject = FileObject;
StackPtr->Parameters.SetFile.FileInformationClass = FileInformationClass;
StackPtr->Parameters.SetFile.Length = Length;
Status = IoCallDriver(FileObject->DeviceObject, Irp);
if (Status==STATUS_PENDING)
{
KeWaitForSingleObject(&FileObject->Event,
Executive,
KernelMode,
FileObject->Flags & FO_ALERTABLE_IO,
NULL);
Status = IoStatusBlock.Status;
}
return Status;
}