ForwardIrpAndForget ForwardIrpAndWait ForwardIrpAndWaitCompletion ForwardIrpAndWaitCompletion SerialCompleteIrp SerialInterruptService SerialReceiveByte SerialSendByte

NTSTATUS ForwardIrpAndWait ( IN PDEVICE_OBJECT  DeviceObject, IN PIRP  Irp  ) Definition at line 27 of file misc.c. { PDEVICE_OBJECT LowerDevice = ((PSERIAL_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->LowerDevice; KEVENT Event; NTSTATUS Status; ASSERT(LowerDevice); KeInitializeEvent(&Event, NotificationEvent, FALSE); IoCopyCurrentIrpStackLocationToNext(Irp); TRACE_(SERIAL, "Calling lower device %p\n", LowerDevice); IoSetCompletionRoutine(Irp, ForwardIrpAndWaitCompletion, &Event, TRUE, TRUE, TRUE); Status = IoCallDriver(LowerDevice, Irp); if (Status == STATUS_PENDING) { Status = KeWaitForSingleObject(&Event, Suspended, KernelMode, FALSE, NULL); if (NT_SUCCESS(Status)) Status = Irp->IoStatus.Status; } return Status; }