custom.c

来自「基于DDK的驱动间同步调用测试示例程序,DriverA是目标驱动,DriverB」· C语言 代码 · 共 26 行

#include "pch.h"
#include "..\intrface.h"
#ifdef DRIVERA_WMI_TRACE
#include "custom.tmh"
#endif

#pragma LOCKEDCODE
VOID OnTimerDPC(IN PKDPC pDPC,
				IN PVOID pContext,
				IN PVOID SysArg1,
				IN PVOID SysArg2)
{
	PDEVICE_OBJECT deviceObject;
    PDRIVERA_DEVICE_EXTENSION   deviceExtension;
	PIRP currentPendingIRP;

	deviceObject = (PDEVICE_OBJECT)pContext;
	deviceExtension = (PDRIVERA_DEVICE_EXTENSION)deviceObject->DeviceExtension;
	currentPendingIRP = deviceExtension->CurrentPendingIrp;

	KdPrint(("DriverA:complete the Driver A IRP_MJ_READ irp!\n"));

	currentPendingIRP->IoStatus.Status = STATUS_SUCCESS;
	currentPendingIRP->IoStatus.Information = 0;
	IoCompleteRequest(currentPendingIRP,IO_NO_INCREMENT);
}