Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-02-24 09:25:10 +00:00
Code Issues Projects Releases Packages Wiki Activity

- Better organize some APIs that were a bit all over the place. No code/formatting changes.

Browse source 
svn path=/trunk/; revision=22727
This commit is contained in:
Alex Ionescu 2006-06-30 19:37:45 +00:00
parent dec64724df
commit d3ccc7eb41
9 changed files with 477 additions and 479 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
reactos/ntoskrnl/io/device.c
View file

@ -1105,16 +1105,4 @@ IoUnregisterShutdownNotification(PDEVICE_OBJECT DeviceObject)
}
}
/*
* @unimplemented
*/
NTSTATUS
STDCALL
IoValidateDeviceIoControlAccess(IN PIRP Irp,
IN ULONG RequiredAccess)
{
UNIMPLEMENTED;
return STATUS_NOT_IMPLEMENTED;
}
/* EOF */

197
reactos/ntoskrnl/io/file.c
View file

@ -1462,5 +1462,202 @@ NtQueryFullAttributesFile(IN POBJECT_ATTRIBUTES ObjectAttributes,
FileInformation);
}
/*
* @unimplemented
*/
BOOLEAN STDCALL
IoFastQueryNetworkAttributes(IN POBJECT_ATTRIBUTES ObjectAttributes,
IN ACCESS_MASK DesiredAccess,
IN ULONG OpenOptions,
OUT PIO_STATUS_BLOCK IoStatus,
OUT PFILE_NETWORK_OPEN_INFORMATION Buffer)
{
UNIMPLEMENTED;
return(FALSE);
}
/*
* @implemented
*/
VOID STDCALL
IoUpdateShareAccess(PFILE_OBJECT FileObject,
PSHARE_ACCESS ShareAccess)
{
PAGED_CODE();
if (FileObject->ReadAccess ||
FileObject->WriteAccess ||
FileObject->DeleteAccess)
{
ShareAccess->OpenCount++;
ShareAccess->Readers += FileObject->ReadAccess;
ShareAccess->Writers += FileObject->WriteAccess;
ShareAccess->Deleters += FileObject->DeleteAccess;
ShareAccess->SharedRead += FileObject->SharedRead;
ShareAccess->SharedWrite += FileObject->SharedWrite;
ShareAccess->SharedDelete += FileObject->SharedDelete;
}
}
/*
* @implemented
*/
NTSTATUS STDCALL
IoCheckShareAccess(IN ACCESS_MASK DesiredAccess,
IN ULONG DesiredShareAccess,
IN PFILE_OBJECT FileObject,
IN PSHARE_ACCESS ShareAccess,
IN BOOLEAN Update)
{
BOOLEAN ReadAccess;
BOOLEAN WriteAccess;
BOOLEAN DeleteAccess;
BOOLEAN SharedRead;
BOOLEAN SharedWrite;
BOOLEAN SharedDelete;
PAGED_CODE();
ReadAccess = (DesiredAccess & (FILE_READ_DATA | FILE_EXECUTE)) != 0;
WriteAccess = (DesiredAccess & (FILE_WRITE_DATA | FILE_APPEND_DATA)) != 0;
DeleteAccess = (DesiredAccess & DELETE) != 0;
FileObject->ReadAccess = ReadAccess;
FileObject->WriteAccess = WriteAccess;
FileObject->DeleteAccess = DeleteAccess;
if (ReadAccess || WriteAccess || DeleteAccess)
{
SharedRead = (DesiredShareAccess & FILE_SHARE_READ) != 0;
SharedWrite = (DesiredShareAccess & FILE_SHARE_WRITE) != 0;
SharedDelete = (DesiredShareAccess & FILE_SHARE_DELETE) != 0;
FileObject->SharedRead = SharedRead;
FileObject->SharedWrite = SharedWrite;
FileObject->SharedDelete = SharedDelete;
if ((ReadAccess && (ShareAccess->SharedRead < ShareAccess->OpenCount)) ||
(WriteAccess && (ShareAccess->SharedWrite < ShareAccess->OpenCount)) ||
(DeleteAccess && (ShareAccess->SharedDelete < ShareAccess->OpenCount)) ||
((ShareAccess->Readers != 0) && !SharedRead) ||
((ShareAccess->Writers != 0) && !SharedWrite) ||
((ShareAccess->Deleters != 0) && !SharedDelete))
{
return(STATUS_SHARING_VIOLATION);
}
if (Update)
{
ShareAccess->OpenCount++;
ShareAccess->Readers += ReadAccess;
ShareAccess->Writers += WriteAccess;
ShareAccess->Deleters += DeleteAccess;
ShareAccess->SharedRead += SharedRead;
ShareAccess->SharedWrite += SharedWrite;
ShareAccess->SharedDelete += SharedDelete;
}
}
return(STATUS_SUCCESS);
}
/*
* @implemented
*/
VOID STDCALL
IoRemoveShareAccess(IN PFILE_OBJECT FileObject,
IN PSHARE_ACCESS ShareAccess)
{
PAGED_CODE();
if (FileObject->ReadAccess ||
FileObject->WriteAccess ||
FileObject->DeleteAccess)
{
ShareAccess->OpenCount--;
ShareAccess->Readers -= FileObject->ReadAccess;
ShareAccess->Writers -= FileObject->WriteAccess;
ShareAccess->Deleters -= FileObject->DeleteAccess;
ShareAccess->SharedRead -= FileObject->SharedRead;
ShareAccess->SharedWrite -= FileObject->SharedWrite;
ShareAccess->SharedDelete -= FileObject->SharedDelete;
}
}
/*
* @implemented
*/
VOID STDCALL
IoSetShareAccess(IN ACCESS_MASK DesiredAccess,
IN ULONG DesiredShareAccess,
IN PFILE_OBJECT FileObject,
OUT PSHARE_ACCESS ShareAccess)
{
BOOLEAN ReadAccess;
BOOLEAN WriteAccess;
BOOLEAN DeleteAccess;
BOOLEAN SharedRead;
BOOLEAN SharedWrite;
BOOLEAN SharedDelete;
PAGED_CODE();
ReadAccess = (DesiredAccess & (FILE_READ_DATA | FILE_EXECUTE)) != 0;
WriteAccess = (DesiredAccess & (FILE_WRITE_DATA | FILE_APPEND_DATA)) != 0;
DeleteAccess = (DesiredAccess & DELETE) != 0;
FileObject->ReadAccess = ReadAccess;
FileObject->WriteAccess = WriteAccess;
FileObject->DeleteAccess = DeleteAccess;
if (!ReadAccess && !WriteAccess && !DeleteAccess)
{
ShareAccess->OpenCount = 0;
ShareAccess->Readers = 0;
ShareAccess->Writers = 0;
ShareAccess->Deleters = 0;
ShareAccess->SharedRead = 0;
ShareAccess->SharedWrite = 0;
ShareAccess->SharedDelete = 0;
}
else
{
SharedRead = (DesiredShareAccess & FILE_SHARE_READ) != 0;
SharedWrite = (DesiredShareAccess & FILE_SHARE_WRITE) != 0;
SharedDelete = (DesiredShareAccess & FILE_SHARE_DELETE) != 0;
FileObject->SharedRead = SharedRead;
FileObject->SharedWrite = SharedWrite;
FileObject->SharedDelete = SharedDelete;
ShareAccess->OpenCount = 1;
ShareAccess->Readers = ReadAccess;
ShareAccess->Writers = WriteAccess;
ShareAccess->Deleters = DeleteAccess;
ShareAccess->SharedRead = SharedRead;
ShareAccess->SharedWrite = SharedWrite;
ShareAccess->SharedDelete = SharedDelete;
}
}
/*
* @unimplemented
*/
VOID
STDCALL
IoCancelFileOpen(
IN PDEVICE_OBJECT DeviceObject,
IN PFILE_OBJECT FileObject
)
{
UNIMPLEMENTED;
}
/* EOF */

47
reactos/ntoskrnl/io/fs.c
View file

@ -48,19 +48,6 @@ IopNotifyFileSystemChange(PDEVICE_OBJECT DeviceObject,
/* FUNCTIONS *****************************************************************/
/*
* @unimplemented
*/
VOID
STDCALL
IoCancelFileOpen(
IN PDEVICE_OBJECT DeviceObject,
IN PFILE_OBJECT FileObject
)
{
UNIMPLEMENTED;
}
VOID INIT_FUNCTION
IoInitFileSystemImplementation(VOID)
{
@ -422,40 +409,6 @@ IoVerifyVolume(IN PDEVICE_OBJECT DeviceObject,
}
/*
* @implemented
*/
PDEVICE_OBJECT STDCALL
IoGetDeviceToVerify(IN PETHREAD Thread)
/*
* FUNCTION: Returns a pointer to the device, representing a removable-media
* device, that is the target of the given thread's I/O request
*/
{
return(Thread->DeviceToVerify);
}
/*
* @implemented
*/
VOID STDCALL
IoSetDeviceToVerify(IN PETHREAD Thread,
IN PDEVICE_OBJECT DeviceObject)
{
Thread->DeviceToVerify = DeviceObject;
}
/*
* @implemented
*/
VOID STDCALL
IoSetHardErrorOrVerifyDevice(IN PIRP Irp,
IN PDEVICE_OBJECT DeviceObject)
{
Irp->Tail.Overlay.Thread->DeviceToVerify = DeviceObject;
}
/*

79
reactos/ntoskrnl/io/iofunc.c
View file

@ -402,6 +402,84 @@ IoQueryFileInformation(IN PFILE_OBJECT FileObject,
return Status;
}
/*
* @unimplemented
*/
NTSTATUS STDCALL
IoSetInformation(IN PFILE_OBJECT FileObject,
IN FILE_INFORMATION_CLASS FileInformationClass,
IN ULONG Length,
IN PVOID FileInformation)
{
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,
0, /* FIXME - depends on the information class */
IoFileObjectType,
KernelMode);
if (!NT_SUCCESS(Status))
{
return(Status);
}
DPRINT("FileObject 0x%p\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;
}
/* NATIVE SERVICES ***********************************************************/
/**
@ -2342,3 +2420,4 @@ NtWriteFileGather(IN HANDLE FileHandle,
UNIMPLEMENTED;
return(STATUS_NOT_IMPLEMENTED);
}

86
reactos/ntoskrnl/io/iomgr.c
View file

@ -34,7 +34,6 @@ GENERIC_MAPPING IopFileMapping = {
FILE_GENERIC_EXECUTE,
FILE_ALL_ACCESS};
static KSPIN_LOCK CancelSpinLock;
extern LIST_ENTRY ShutdownListHead;
extern KSPIN_LOCK ShutdownListLock;
extern NPAGED_LOOKASIDE_LIST IoCompletionPacketLookaside;
@ -60,6 +59,7 @@ VOID
INIT_FUNCTION
IoInitCancelHandling(VOID)
{
extern KSPIN_LOCK CancelSpinLock;
KeInitializeSpinLock(&CancelSpinLock);
}
@ -479,88 +479,4 @@ IoInit3(VOID)
NULL);
}
/* FUNCTIONS *****************************************************************/
/*
* @implemented
*/
VOID
STDCALL
IoAcquireCancelSpinLock(PKIRQL Irql)
{
KeAcquireSpinLock(&CancelSpinLock,Irql);
}
/*
* @implemented
*/
PVOID
STDCALL
IoGetInitialStack(VOID)
{
return(PsGetCurrentThread()->Tcb.InitialStack);
}
/*
* @implemented
*/
VOID
STDCALL
IoGetStackLimits(OUT PULONG LowLimit,
OUT PULONG HighLimit)
{
*LowLimit = (ULONG)NtCurrentTeb()->Tib.StackLimit;
*HighLimit = (ULONG)NtCurrentTeb()->Tib.StackBase;
}
/*
* @implemented
*/
BOOLEAN
STDCALL
IoIsSystemThread(IN PETHREAD Thread)
{
/* Call the Ps Function */
return PsIsSystemThread(Thread);
}
/*
* @implemented
*/
BOOLEAN STDCALL
IoIsWdmVersionAvailable(IN UCHAR MajorVersion,
IN UCHAR MinorVersion)
{
/* MinorVersion = 0x20 : WinXP
0x10 : Win2k
0x5 : WinMe
<0x5 : Win98
We report Win2k now
*/
if (MajorVersion <= 1 && MinorVersion <= 0x10)
return TRUE;
return FALSE;
}
/*
* @implemented
*/
VOID
STDCALL
IoReleaseCancelSpinLock(KIRQL Irql)
{
KeReleaseSpinLock(&CancelSpinLock,Irql);
}
/*
* @implemented
*/
PEPROCESS
STDCALL
IoThreadToProcess(IN PETHREAD Thread)
{
return(Thread->ThreadsProcess);
}
/* EOF */

2
reactos/ntoskrnl/io/irp.c
View file

@ -837,7 +837,7 @@ IoBuildSynchronousFsdRequest(IN ULONG MajorFunction,
/* Sync IRPs are queued to requestor thread's irp cancel/cleanup list */
IoQueueThreadIrp(Irp);
return(Irp);
return Irp;
}
/*

333
reactos/ntoskrnl/io/share.c
View file

@ -1,333 +0,0 @@
/* $Id$
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: ntoskrnl/io/share.c
* PURPOSE: No purpose listed.
*
* PROGRAMMERS: David Welch (welch@mcmail.com)
*/
/* INCLUDES *****************************************************************/
#include <ntoskrnl.h>
#define NDEBUG
#include <internal/debug.h>
/* FUNCTIONS *****************************************************************/
/*
* @implemented
*/
VOID STDCALL
IoUpdateShareAccess(PFILE_OBJECT FileObject,
PSHARE_ACCESS ShareAccess)
{
PAGED_CODE();
if (FileObject->ReadAccess ||
FileObject->WriteAccess ||
FileObject->DeleteAccess)
{
ShareAccess->OpenCount++;
ShareAccess->Readers += FileObject->ReadAccess;
ShareAccess->Writers += FileObject->WriteAccess;
ShareAccess->Deleters += FileObject->DeleteAccess;
ShareAccess->SharedRead += FileObject->SharedRead;
ShareAccess->SharedWrite += FileObject->SharedWrite;
ShareAccess->SharedDelete += FileObject->SharedDelete;
}
}
/*
* @implemented
*/
NTSTATUS STDCALL
IoCheckShareAccess(IN ACCESS_MASK DesiredAccess,
IN ULONG DesiredShareAccess,
IN PFILE_OBJECT FileObject,
IN PSHARE_ACCESS ShareAccess,
IN BOOLEAN Update)
{
BOOLEAN ReadAccess;
BOOLEAN WriteAccess;
BOOLEAN DeleteAccess;
BOOLEAN SharedRead;
BOOLEAN SharedWrite;
BOOLEAN SharedDelete;
PAGED_CODE();
ReadAccess = (DesiredAccess & (FILE_READ_DATA | FILE_EXECUTE)) != 0;
WriteAccess = (DesiredAccess & (FILE_WRITE_DATA | FILE_APPEND_DATA)) != 0;
DeleteAccess = (DesiredAccess & DELETE) != 0;
FileObject->ReadAccess = ReadAccess;
FileObject->WriteAccess = WriteAccess;
FileObject->DeleteAccess = DeleteAccess;
if (ReadAccess || WriteAccess || DeleteAccess)
{
SharedRead = (DesiredShareAccess & FILE_SHARE_READ) != 0;
SharedWrite = (DesiredShareAccess & FILE_SHARE_WRITE) != 0;
SharedDelete = (DesiredShareAccess & FILE_SHARE_DELETE) != 0;
FileObject->SharedRead = SharedRead;
FileObject->SharedWrite = SharedWrite;
FileObject->SharedDelete = SharedDelete;
if ((ReadAccess && (ShareAccess->SharedRead < ShareAccess->OpenCount)) ||
(WriteAccess && (ShareAccess->SharedWrite < ShareAccess->OpenCount)) ||
(DeleteAccess && (ShareAccess->SharedDelete < ShareAccess->OpenCount)) ||
((ShareAccess->Readers != 0) && !SharedRead) ||
((ShareAccess->Writers != 0) && !SharedWrite) ||
((ShareAccess->Deleters != 0) && !SharedDelete))
{
return(STATUS_SHARING_VIOLATION);
}
if (Update)
{
ShareAccess->OpenCount++;
ShareAccess->Readers += ReadAccess;
ShareAccess->Writers += WriteAccess;
ShareAccess->Deleters += DeleteAccess;
ShareAccess->SharedRead += SharedRead;
ShareAccess->SharedWrite += SharedWrite;
ShareAccess->SharedDelete += SharedDelete;
}
}
return(STATUS_SUCCESS);
}
/*
* @implemented
*/
VOID STDCALL
IoRemoveShareAccess(IN PFILE_OBJECT FileObject,
IN PSHARE_ACCESS ShareAccess)
{
PAGED_CODE();
if (FileObject->ReadAccess ||
FileObject->WriteAccess ||
FileObject->DeleteAccess)
{
ShareAccess->OpenCount--;
ShareAccess->Readers -= FileObject->ReadAccess;
ShareAccess->Writers -= FileObject->WriteAccess;
ShareAccess->Deleters -= FileObject->DeleteAccess;
ShareAccess->SharedRead -= FileObject->SharedRead;
ShareAccess->SharedWrite -= FileObject->SharedWrite;
ShareAccess->SharedDelete -= FileObject->SharedDelete;
}
}
/*
* @implemented
*/
VOID STDCALL
IoSetShareAccess(IN ACCESS_MASK DesiredAccess,
IN ULONG DesiredShareAccess,
IN PFILE_OBJECT FileObject,
OUT PSHARE_ACCESS ShareAccess)
{
BOOLEAN ReadAccess;
BOOLEAN WriteAccess;
BOOLEAN DeleteAccess;
BOOLEAN SharedRead;
BOOLEAN SharedWrite;
BOOLEAN SharedDelete;
PAGED_CODE();
ReadAccess = (DesiredAccess & (FILE_READ_DATA | FILE_EXECUTE)) != 0;
WriteAccess = (DesiredAccess & (FILE_WRITE_DATA | FILE_APPEND_DATA)) != 0;
DeleteAccess = (DesiredAccess & DELETE) != 0;
FileObject->ReadAccess = ReadAccess;
FileObject->WriteAccess = WriteAccess;
FileObject->DeleteAccess = DeleteAccess;
if (!ReadAccess && !WriteAccess && !DeleteAccess)
{
ShareAccess->OpenCount = 0;
ShareAccess->Readers = 0;
ShareAccess->Writers = 0;
ShareAccess->Deleters = 0;
ShareAccess->SharedRead = 0;
ShareAccess->SharedWrite = 0;
ShareAccess->SharedDelete = 0;
}
else
{
SharedRead = (DesiredShareAccess & FILE_SHARE_READ) != 0;
SharedWrite = (DesiredShareAccess & FILE_SHARE_WRITE) != 0;
SharedDelete = (DesiredShareAccess & FILE_SHARE_DELETE) != 0;
FileObject->SharedRead = SharedRead;
FileObject->SharedWrite = SharedWrite;
FileObject->SharedDelete = SharedDelete;
ShareAccess->OpenCount = 1;
ShareAccess->Readers = ReadAccess;
ShareAccess->Writers = WriteAccess;
ShareAccess->Deleters = DeleteAccess;
ShareAccess->SharedRead = SharedRead;
ShareAccess->SharedWrite = SharedWrite;
ShareAccess->SharedDelete = SharedDelete;
}
}
/*
* @implemented
*/
NTSTATUS STDCALL
IoCheckDesiredAccess(IN OUT PACCESS_MASK DesiredAccess,
IN ACCESS_MASK GrantedAccess)
{
PAGED_CODE();
RtlMapGenericMask(DesiredAccess,
&IoFileObjectType->TypeInfo.GenericMapping);
if ((~(*DesiredAccess) & GrantedAccess) != 0)
return STATUS_ACCESS_DENIED;
else
return STATUS_SUCCESS;
}
/*
* @unimplemented
*/
NTSTATUS STDCALL
IoCheckEaBufferValidity(IN PFILE_FULL_EA_INFORMATION EaBuffer,
IN ULONG EaLength,
OUT PULONG ErrorOffset)
{
UNIMPLEMENTED;
return(STATUS_NOT_IMPLEMENTED);
}
/*
* @unimplemented
*/
NTSTATUS STDCALL
IoCheckFunctionAccess(IN ACCESS_MASK GrantedAccess,
IN UCHAR MajorFunction,
IN UCHAR MinorFunction,
IN ULONG IoControlCode,
IN PVOID ExtraData OPTIONAL,
IN PVOID ExtraData2 OPTIONAL)
{
UNIMPLEMENTED;
return(STATUS_NOT_IMPLEMENTED);
}
/*
* @unimplemented
*/
NTSTATUS STDCALL
IoSetInformation(IN PFILE_OBJECT FileObject,
IN FILE_INFORMATION_CLASS FileInformationClass,
IN ULONG Length,
IN PVOID FileInformation)
{
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,
0, /* FIXME - depends on the information class */
IoFileObjectType,
KernelMode);
if (!NT_SUCCESS(Status))
{
return(Status);
}
DPRINT("FileObject 0x%p\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;
}
/*
* @unimplemented
*/
BOOLEAN STDCALL
IoFastQueryNetworkAttributes(IN POBJECT_ATTRIBUTES ObjectAttributes,
IN ACCESS_MASK DesiredAccess,
IN ULONG OpenOptions,
OUT PIO_STATUS_BLOCK IoStatus,
OUT PFILE_NETWORK_OPEN_INFORMATION Buffer)
{
UNIMPLEMENTED;
return(FALSE);
}
/* EOF */

198
reactos/ntoskrnl/io/util.c Normal file
View file

@ -0,0 +1,198 @@
/*
* PROJECT: ReactOS Kernel
* LICENSE: GPL - See COPYING in the top level directory
* FILE: ntoskrnl/io/util.c
* PURPOSE: I/O Utility Functions
* PROGRAMMERS: <UNKNOWN>
*/
/* INCLUDES *****************************************************************/
#include <ntoskrnl.h>
#define NDEBUG
#include <internal/debug.h>
/* DATA **********************************************************************/
KSPIN_LOCK CancelSpinLock;
/* FUNCTIONS *****************************************************************/
/*
* @implemented
*/
VOID
STDCALL
IoAcquireCancelSpinLock(PKIRQL Irql)
{
KeAcquireSpinLock(&CancelSpinLock,Irql);
}
/*
* @implemented
*/
PVOID
STDCALL
IoGetInitialStack(VOID)
{
return(PsGetCurrentThread()->Tcb.InitialStack);
}
/*
* @implemented
*/
VOID
STDCALL
IoGetStackLimits(OUT PULONG LowLimit,
OUT PULONG HighLimit)
{
*LowLimit = (ULONG)NtCurrentTeb()->Tib.StackLimit;
*HighLimit = (ULONG)NtCurrentTeb()->Tib.StackBase;
}
/*
* @implemented
*/
BOOLEAN
STDCALL
IoIsSystemThread(IN PETHREAD Thread)
{
/* Call the Ps Function */
return PsIsSystemThread(Thread);
}
/*
* @implemented
*/
BOOLEAN STDCALL
IoIsWdmVersionAvailable(IN UCHAR MajorVersion,
IN UCHAR MinorVersion)
{
/* MinorVersion = 0x20 : WinXP
0x10 : Win2k
0x5 : WinMe
<0x5 : Win98
We report Win2k now
*/
if (MajorVersion <= 1 && MinorVersion <= 0x10)
return TRUE;
return FALSE;
}
/*
* @implemented
*/
VOID
STDCALL
IoReleaseCancelSpinLock(KIRQL Irql)
{
KeReleaseSpinLock(&CancelSpinLock,Irql);
}
/*
* @implemented
*/
PEPROCESS
STDCALL
IoThreadToProcess(IN PETHREAD Thread)
{
return(Thread->ThreadsProcess);
}
/*
* @implemented
*/
NTSTATUS STDCALL
IoCheckDesiredAccess(IN OUT PACCESS_MASK DesiredAccess,
IN ACCESS_MASK GrantedAccess)
{
PAGED_CODE();
RtlMapGenericMask(DesiredAccess,
&IoFileObjectType->TypeInfo.GenericMapping);
if ((~(*DesiredAccess) & GrantedAccess) != 0)
return STATUS_ACCESS_DENIED;
else
return STATUS_SUCCESS;
}
/*
* @unimplemented
*/
NTSTATUS STDCALL
IoCheckEaBufferValidity(IN PFILE_FULL_EA_INFORMATION EaBuffer,
IN ULONG EaLength,
OUT PULONG ErrorOffset)
{
UNIMPLEMENTED;
return(STATUS_NOT_IMPLEMENTED);
}
/*
* @unimplemented
*/
NTSTATUS STDCALL
IoCheckFunctionAccess(IN ACCESS_MASK GrantedAccess,
IN UCHAR MajorFunction,
IN UCHAR MinorFunction,
IN ULONG IoControlCode,
IN PVOID ExtraData OPTIONAL,
IN PVOID ExtraData2 OPTIONAL)
{
UNIMPLEMENTED;
return(STATUS_NOT_IMPLEMENTED);
}
/*
* @unimplemented
*/
NTSTATUS
STDCALL
IoValidateDeviceIoControlAccess(IN PIRP Irp,
IN ULONG RequiredAccess)
{
UNIMPLEMENTED;
return STATUS_NOT_IMPLEMENTED;
}
/*
* @implemented
*/
VOID STDCALL
IoSetDeviceToVerify(IN PETHREAD Thread,
IN PDEVICE_OBJECT DeviceObject)
{
Thread->DeviceToVerify = DeviceObject;
}
/*
* @implemented
*/
VOID STDCALL
IoSetHardErrorOrVerifyDevice(IN PIRP Irp,
IN PDEVICE_OBJECT DeviceObject)
{
Irp->Tail.Overlay.Thread->DeviceToVerify = DeviceObject;
}
/*
* @implemented
*/
PDEVICE_OBJECT STDCALL
IoGetDeviceToVerify(IN PETHREAD Thread)
/*
* FUNCTION: Returns a pointer to the device, representing a removable-media
* device, that is the target of the given thread's I/O request
*/
{
return(Thread->DeviceToVerify);
}
/* EOF */

2
reactos/ntoskrnl/ntoskrnl.rbuild
View file

@ -189,7 +189,7 @@
<file>rawfs.c</file>
<file>remlock.c</file>
<file>resource.c</file>
<file>share.c</file>
<file>util.c</file>
<file>symlink.c</file>
<file>timer.c</file>
<file>vpb.c</file>