reactos/drivers/filesystems/npfs/close.c

75 lines
1.7 KiB
C

/*
* PROJECT: ReactOS Named Pipe FileSystem
* LICENSE: BSD - See COPYING.ARM in the top level directory
* FILE: drivers/filesystems/npfs/close.c
* PURPOSE: Pipes Closing
* PROGRAMMERS: ReactOS Portable Systems Group
*/
/* INCLUDES *******************************************************************/
#include "npfs.h"
// File ID number for NPFS bugchecking support
#define NPFS_BUGCHECK_FILE_ID (NPFS_BUGCHECK_CLOSE)
/* FUNCTIONS ******************************************************************/
NTSTATUS
NTAPI
NpCommonClose(IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp)
{
PIO_STACK_LOCATION IoStack;
NODE_TYPE_CODE NodeTypeCode;
LIST_ENTRY DeferredList;
PNP_FCB Fcb;
PNP_CCB Ccb;
ULONG NamedPipeEnd;
PAGED_CODE();
IoStack = IoGetCurrentIrpStackLocation(Irp);
InitializeListHead(&DeferredList);
NpAcquireExclusiveVcb();
NodeTypeCode = NpDecodeFileObject(IoStack->FileObject,
(PVOID*)&Fcb,
&Ccb,
&NamedPipeEnd);
if (NodeTypeCode == NPFS_NTC_ROOT_DCB)
{
--Fcb->CurrentInstances;
NpDeleteCcb(Ccb, &DeferredList);
}
else if (NodeTypeCode == NPFS_NTC_VCB)
{
--NpVcb->ReferenceCount;
}
NpReleaseVcb();
NpCompleteDeferredIrps(&DeferredList);
Irp->IoStatus.Status = STATUS_SUCCESS;
IoCompleteRequest(Irp, IO_NAMED_PIPE_INCREMENT);
return STATUS_SUCCESS;
}
NTSTATUS
NTAPI
NpFsdClose(IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp)
{
NTSTATUS Status;
PAGED_CODE();
FsRtlEnterFileSystem();
Status = NpCommonClose(DeviceObject, Irp);
FsRtlExitFileSystem();
return Status;
}
/* EOF */