mirror of
https://github.com/reactos/reactos.git
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5a3243d494
Added proper process cleanup Added several programs for testing svn path=/trunk/; revision=395
123 lines
3.5 KiB
C
123 lines
3.5 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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* FILE: ntoskrnl/io/ioctrl.c
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* PURPOSE: Device IO control
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* PROGRAMMER: David Welch (welch@mcmail.com)
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* Eric Kohl (ekohl@abo.rhein-zeitung.de)
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* UPDATE HISTORY:
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* Created 22/05/98
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* Filled in ZwDeviceIoControlFile 22/02/99
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* Fixed IO method handling 08/03/99
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*/
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/* INCLUDES *****************************************************************/
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#include <ddk/ntddk.h>
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#define NDEBUG
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#include <internal/debug.h>
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/* FUNCTIONS *****************************************************************/
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ULONG IoGetFunctionCodeFromCtlCode(ULONG ControlCode)
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{
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UNIMPLEMENTED;
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}
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NTSTATUS STDCALL NtDeviceIoControlFile(IN HANDLE DeviceHandle,
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IN HANDLE Event OPTIONAL,
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IN PIO_APC_ROUTINE UserApcRoutine,
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IN PVOID UserApcContext OPTIONAL,
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OUT PIO_STATUS_BLOCK IoStatusBlock,
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IN ULONG IoControlCode,
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IN PVOID InputBuffer,
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IN ULONG InputBufferSize,
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OUT PVOID OutputBuffer,
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IN ULONG OutputBufferSize)
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{
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return(ZwDeviceIoControlFile(DeviceHandle,
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Event,
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UserApcRoutine,
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UserApcContext,
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IoStatusBlock,
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IoControlCode,
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InputBuffer,
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InputBufferSize,
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OutputBuffer,
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OutputBufferSize));
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}
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/*
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* NOTES: No apc support yet!
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*/
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NTSTATUS STDCALL ZwDeviceIoControlFile(IN HANDLE DeviceHandle,
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IN HANDLE Event OPTIONAL,
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IN PIO_APC_ROUTINE UserApcRoutine,
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IN PVOID UserApcContext OPTIONAL,
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OUT PIO_STATUS_BLOCK IoStatusBlock,
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IN ULONG IoControlCode,
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IN PVOID InputBuffer,
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IN ULONG InputBufferSize,
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OUT PVOID OutputBuffer,
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IN ULONG OutputBufferSize)
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{
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NTSTATUS Status;
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PFILE_OBJECT FileObject;
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PDEVICE_OBJECT DeviceObject;
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PIRP Irp;
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PIO_STACK_LOCATION StackPtr;
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KEVENT KEvent;
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assert(KeGetCurrentIrql()==PASSIVE_LEVEL);
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DPRINT("ZwDeviceIoControlFile(DeviceHandle %x Event %x UserApcRoutine %x "
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"UserApcContext %x IoStatusBlock %x InputBuffer %x "
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"InputBufferSize %x OutputBuffer %x OutputBufferSize %x)\n",
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DeviceHandle,Event,UserApcRoutine,UserApcContext,IoStatusBlock,
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InputBuffer,InputBufferSize,OutputBuffer,OutputBufferSize);
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Status = ObReferenceObjectByHandle(DeviceHandle,
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FILE_READ_DATA | FILE_WRITE_DATA,
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NULL,
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KernelMode,
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(PVOID *) &FileObject,
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NULL);
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if (Status != STATUS_SUCCESS)
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{
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return(Status);
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}
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DeviceObject = FileObject->DeviceObject;
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assert(DeviceObject != NULL);
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KeInitializeEvent(&KEvent,NotificationEvent,TRUE);
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Irp = IoBuildDeviceIoControlRequest(IoControlCode,
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DeviceObject,
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InputBuffer,
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InputBufferSize,
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OutputBuffer,
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OutputBufferSize,
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FALSE,
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&KEvent,
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IoStatusBlock);
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StackPtr = IoGetNextIrpStackLocation(Irp);
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StackPtr->DeviceObject = DeviceObject;
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StackPtr->Parameters.DeviceIoControl.InputBufferLength = InputBufferSize;
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StackPtr->Parameters.DeviceIoControl.OutputBufferLength = OutputBufferSize;
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Status = IoCallDriver(DeviceObject,Irp);
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if (Status == STATUS_PENDING && (FileObject->Flags & FO_SYNCHRONOUS_IO))
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{
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KeWaitForSingleObject(&KEvent,Executive,KernelMode,FALSE,NULL);
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return(IoStatusBlock->Status);
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}
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return(Status);
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}
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