ReactOS 0.4.15-dev-8241-g63935f8
createclose.c
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1/*
2 * COPYRIGHT: See COPYING in the top level directory
3 * PROJECT: ReactOS NDIS User I/O driver
4 * FILE: createclose.c
5 * PURPOSE: IRP_MJ_CREATE and IRP_MJ_CLOSE handling
6 * PROGRAMMERS: Cameron Gutman (cameron.gutman@reactos.org)
7 */
8
9#include "ndisuio.h"
10
11//#define NDEBUG
12#include <debug.h>
13
17 PIRP Irp)
18{
20
22
23 DPRINT("Created file object 0x%x\n", IrpSp->FileObject);
24
25 /* This is associated with an adapter during IOCTL_NDISUIO_OPEN_(WRITE_)DEVICE */
26 IrpSp->FileObject->FsContext = NULL;
27 IrpSp->FileObject->FsContext2 = NULL;
28
29 /* Completed successfully */
30 Irp->IoStatus.Status = STATUS_SUCCESS;
31 Irp->IoStatus.Information = FILE_OPENED;
33
34 /* Return success */
35 return STATUS_SUCCESS;
36}
37
41 PIRP Irp)
42{
44 PNDISUIO_ADAPTER_CONTEXT AdapterContext = IrpSp->FileObject->FsContext;
45 PNDISUIO_OPEN_ENTRY OpenEntry = IrpSp->FileObject->FsContext2;
46
48
49 DPRINT("Closing file object 0x%x\n", IrpSp->FileObject);
50
51 /* Check if this handle was ever associated with an adapter */
52 if (AdapterContext != NULL)
53 {
54 ASSERT(OpenEntry != NULL);
55
56 DPRINT("Removing binding to adapter %wZ\n", &AdapterContext->DeviceName);
57
58 /* Call the our helper */
59 DereferenceAdapterContextWithOpenEntry(AdapterContext, OpenEntry);
60 }
61
62 /* Completed */
63 Irp->IoStatus.Status = STATUS_SUCCESS;
64 Irp->IoStatus.Information = 0;
66
67 /* Return success */
68 return STATUS_SUCCESS;
69}
static PIO_STACK_LOCATION IoGetCurrentIrpStackLocation(PIRP Irp)
LONG NTSTATUS
Definition: precomp.h:26
_In_ PIRP Irp
Definition: csq.h:116
#define NULL
Definition: types.h:112
_In_ PIO_STACK_LOCATION IrpSp
Definition: create.c:4137
NTSTATUS NTAPI NduDispatchClose(PDEVICE_OBJECT DeviceObject, PIRP Irp)
Definition: createclose.c:40
NTSTATUS NTAPI NduDispatchCreate(PDEVICE_OBJECT DeviceObject, PIRP Irp)
Definition: createclose.c:16
PDEVICE_OBJECT GlobalDeviceObject
Definition: main.c:14
VOID DereferenceAdapterContextWithOpenEntry(PNDISUIO_ADAPTER_CONTEXT AdapterContext, PNDISUIO_OPEN_ENTRY OpenEntry)
Definition: misc.c:149
#define ASSERT(a)
Definition: mode.c:44
#define FILE_OPENED
Definition: nt_native.h:769
#define IoCompleteRequest
Definition: irp.c:1240
#define STATUS_SUCCESS
Definition: shellext.h:65
#define DPRINT
Definition: sndvol32.h:73
PFILE_OBJECT FileObject
Definition: iotypes.h:3169
UNICODE_STRING DeviceName
Definition: ndisuio.h:44
Definition: ndisuio.h:54
#define NTAPI
Definition: typedefs.h:36
_In_ PDEVICE_OBJECT DeviceObject
Definition: wdfdevice.h:2055
#define IO_NO_INCREMENT
Definition: iotypes.h:598