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51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: Serial port driver
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* FILE: drivers/dd/serial/create.c
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* PURPOSE: Serial IRP_MJ_CREATE operations
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*
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* PROGRAMMERS: Hervé Poussineau (hpoussin@reactos.org)
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*/
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#include "serial.h"
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#include <debug.h>
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NTSTATUS NTAPI
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SerialCreate(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp)
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{
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PIO_STACK_LOCATION Stack;
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PSERIAL_DEVICE_EXTENSION DeviceExtension;
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NTSTATUS Status;
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TRACE_(SERIAL, "IRP_MJ_CREATE\n");
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Stack = IoGetCurrentIrpStackLocation(Irp);
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DeviceExtension = (PSERIAL_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
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if (Stack->Parameters.Create.Options & FILE_DIRECTORY_FILE)
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{
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INFO_(SERIAL, "Not a directory\n");
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Status = STATUS_NOT_A_DIRECTORY;
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goto ByeBye;
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}
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if(DeviceExtension->IsOpened)
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{
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WARN_(SERIAL, "COM%lu is already opened\n", DeviceExtension->ComPort);
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Status = STATUS_ACCESS_DENIED;
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goto ByeBye;
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}
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INFO_(SERIAL, "Open COM%lu: successfull\n", DeviceExtension->ComPort);
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DeviceExtension->IsOpened = TRUE;
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Status = STATUS_SUCCESS;
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ByeBye:
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Irp->IoStatus.Status = Status;
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Irp->IoStatus.Information = 0;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return Status;
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}
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