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44 lines
1.1 KiB
C
44 lines
1.1 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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* PURPOSE: GDI Driver Device Functions
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* FILE: subsys/win32k/eng/device.c
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* PROGRAMER: Jason Filby
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* REVISION HISTORY:
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* 3/7/1999: Created
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*/
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#include <ddk/ntddk.h>
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DWORD STDCALL EngDeviceIoControl(
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HANDLE hDevice,
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DWORD dwIoControlCode,
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LPVOID lpInBuffer,
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DWORD nInBufferSize,
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LPVOID lpOutBuffer,
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DWORD nOutBufferSize,
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DWORD *lpBytesReturned)
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{
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PIRP Irp;
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NTSTATUS Status;
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KEVENT Event;
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IO_STATUS_BLOCK Iosb;
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PDRIVER_OBJECT DriverObject;
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DriverObject = hDevice;
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KeInitializeEvent(&Event, SynchronizationEvent, FALSE);
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Irp = IoBuildDeviceIoControlRequest(dwIoControlCode, DriverObject->DeviceObject, lpInBuffer, nInBufferSize,
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lpOutBuffer, nOutBufferSize, FALSE, &Event, &Iosb);
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Status = IoCallDriver(DriverObject->DeviceObject, Irp);
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if (Status == STATUS_PENDING)
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{
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(void) KeWaitForSingleObject(&Event, Executive, KernelMode, TRUE, 0);
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}
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return (Status);
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}
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