ReactOS  0.4.14-dev-999-g61c8d34
close.c
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1 /*
2  * ReactOS kernel
3  * Copyright (C) 2002 ReactOS Team
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
18  *
19  * COPYRIGHT: See COPYING in the top level directory
20  * PROJECT: ReactOS kernel
21  * FILE: drivers/filesystem/ntfs/close.c
22  * PURPOSE: NTFS filesystem driver
23  * PROGRAMMER: Art Yerkes
24  * UPDATE HISTORY:
25  */
26 
27 /* INCLUDES *****************************************************************/
28 
29 #include "ntfs.h"
30 
31 #define NDEBUG
32 #include <debug.h>
33 
34 /* FUNCTIONS ****************************************************************/
35 
36 /*
37  * FUNCTION: Closes a file
38  */
42 {
43  PNTFS_CCB Ccb;
44  PNTFS_FCB Fcb;
45 
46  DPRINT("NtfsCloseFile(DeviceExt %p, FileObject %p)\n",
47  DeviceExt,
48  FileObject);
49 
50  Ccb = (PNTFS_CCB)(FileObject->FsContext2);
51  Fcb = (PNTFS_FCB)(FileObject->FsContext);
52 
53  DPRINT("Ccb %p\n", Ccb);
54  if (Ccb == NULL)
55  {
56  return STATUS_SUCCESS;
57  }
58 
59  FileObject->FsContext2 = NULL;
60  FileObject->FsContext = NULL;
61  FileObject->SectionObjectPointer = NULL;
62  DeviceExt->OpenHandleCount--;
63 
64  if (FileObject->FileName.Buffer)
65  {
66  // This a FO, that was created outside from FSD.
67  // Some FO's are created with IoCreateStreamFileObject() insid from FSD.
68  // This FO's don't have a FileName.
69  NtfsReleaseFCB(DeviceExt, Fcb);
70  }
71 
72  if (Ccb->DirectorySearchPattern)
73  {
74  ExFreePool(Ccb->DirectorySearchPattern);
75  }
76 
77  ExFreePool(Ccb);
78 
79  return STATUS_SUCCESS;
80 }
81 
82 
85 {
86  PDEVICE_EXTENSION DeviceExtension;
90 
91  DPRINT("NtfsClose() called\n");
92 
93  DeviceObject = IrpContext->DeviceObject;
95  {
96  DPRINT("Closing file system\n");
97  IrpContext->Irp->IoStatus.Information = 0;
98  return STATUS_SUCCESS;
99  }
100 
101  FileObject = IrpContext->FileObject;
102  DeviceExtension = DeviceObject->DeviceExtension;
103 
104  if (!ExAcquireResourceExclusiveLite(&DeviceExtension->DirResource,
105  BooleanFlagOn(IrpContext->Flags, IRPCONTEXT_CANWAIT)))
106  {
107  return NtfsMarkIrpContextForQueue(IrpContext);
108  }
109 
110  Status = NtfsCloseFile(DeviceExtension, FileObject);
111 
112  ExReleaseResourceLite(&DeviceExtension->DirResource);
113 
114  if (Status == STATUS_PENDING)
115  {
116  return NtfsMarkIrpContextForQueue(IrpContext);
117  }
118 
119  IrpContext->Irp->IoStatus.Information = 0;
120  return Status;
121 }
122 
123 /* EOF */
VOID NtfsReleaseFCB(PNTFS_VCB Vcb, PNTFS_FCB Fcb)
Definition: fcb.c:171
PDEVICE_OBJECT DeviceObject
Definition: ntfs.h:484
Definition: cdstruc.h:908
#define BooleanFlagOn(F, SF)
Definition: ext2fs.h:183
FORCEINLINE NTSTATUS NtfsMarkIrpContextForQueue(PNTFS_IRP_CONTEXT IrpContext)
Definition: ntfs.h:565
LONG NTSTATUS
Definition: precomp.h:26
NTSTATUS NtfsCloseFile(PDEVICE_EXTENSION DeviceExt, PFILE_OBJECT FileObject)
Definition: close.c:40
PNTFS_GLOBAL_DATA NtfsGlobalData
Definition: ntfs.c:41
BOOLEAN NTAPI ExAcquireResourceExclusiveLite(IN PERESOURCE Resource, IN BOOLEAN Wait)
Definition: resource.c:770
Definition: ntfs.h:129
PVOID DeviceExtension
Definition: env_spec_w32.h:418
smooth NULL
Definition: ftsmooth.c:416
#define IRPCONTEXT_CANWAIT
Definition: vfat.h:569
void DPRINT(...)
Definition: polytest.cpp:61
_Inout_ PFILE_OBJECT FileObject
Definition: cdprocs.h:593
#define STATUS_PENDING
Definition: ntstatus.h:82
VOID FASTCALL ExReleaseResourceLite(IN PERESOURCE Resource)
Definition: resource.c:1817
* PFILE_OBJECT
Definition: iotypes.h:1955
NTSTATUS NtfsClose(PNTFS_IRP_CONTEXT IrpContext)
Definition: close.c:84
struct NTFS_CCB * PNTFS_CCB
struct _FCB * PNTFS_FCB
_Inout_ PFILE_OBJECT _In_ TYPE_OF_OPEN PFCB _In_opt_ PCCB Ccb
Definition: cdprocs.h:593
ULONG Flags
Definition: ntfs.h:477
PDEVICE_OBJECT DeviceObject
Definition: ntfs.h:148
Status
Definition: gdiplustypes.h:24
IN PDEVICE_OBJECT DeviceObject
Definition: fatprocs.h:1560
_In_ PFCB Fcb
Definition: cdprocs.h:151
return STATUS_SUCCESS
Definition: btrfs.c:2938
PFILE_OBJECT FileObject
Definition: ntfs.h:485
#define ExFreePool(addr)
Definition: env_spec_w32.h:352