device.c File Reference

#include <winpr/config.h>
#include <winpr/io.h>
#include "io.h"
#include <stdio.h>
#include <fcntl.h>
#include <stdlib.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <winpr/crt.h>
#include <winpr/path.h>
#include <winpr/file.h>

Macros
#define	DEVICE_FILE_PREFIX_PATH   "\\Device\\"

Functions
static char *	GetDeviceFileNameWithoutPrefixA (LPCSTR lpName)
static char *	GetDeviceFileUnixDomainSocketBaseFilePathA (void)
static char *	GetDeviceFileUnixDomainSocketFilePathA (LPCSTR lpName)
NTSTATUS	_IoCreateDeviceEx (PDRIVER_OBJECT_EX DriverObject, ULONG DeviceExtensionSize, PUNICODE_STRING DeviceName, DEVICE_TYPE DeviceType, ULONG DeviceCharacteristics, BOOLEAN Exclusive, PDEVICE_OBJECT_EX *DeviceObject)
VOID	_IoDeleteDeviceEx (PDEVICE_OBJECT_EX DeviceObject)

Macro Definition Documentation

DEVICE_FILE_PREFIX_PATH

#define DEVICE_FILE_PREFIX_PATH   "\\Device\\"

WinPR: Windows Portable Runtime Asynchronous I/O Functions

Copyright 2012 Marc-Andre Moreau marca.nosp@m.ndre.nosp@m..more.nosp@m.au@g.nosp@m.mail..nosp@m.com

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. I/O Manager Routines http://msdn.microsoft.com/en-us/library/windows/hardware/ff551797/

These routines are only accessible to kernel drivers, but we need similar functionality in WinPR in user space.

This is a best effort non-conflicting port of this API meant for non-Windows, WinPR usage only.

References:

Device Objects and Device Stacks: http://msdn.microsoft.com/en-us/library/windows/hardware/ff543153/

Driver Development Part 1: Introduction to Drivers: http://www.codeproject.com/Articles/9504/Driver-Development-Part-1-Introduction-to-Drivers/

Function Documentation

_IoCreateDeviceEx()

NTSTATUS _IoCreateDeviceEx	(	PDRIVER_OBJECT_EX	DriverObject,
		ULONG	DeviceExtensionSize,
		PUNICODE_STRING	DeviceName,
		DEVICE_TYPE	DeviceType,
		ULONG	DeviceCharacteristics,
		BOOLEAN	Exclusive,
		PDEVICE_OBJECT_EX *	DeviceObject
	)

IoCreateDevice: http://msdn.microsoft.com/en-us/library/windows/hardware/ff548397/

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_IoDeleteDeviceEx()

VOID _IoDeleteDeviceEx

(

PDEVICE_OBJECT_EX

DeviceObject

)

IoDeleteDevice: http://msdn.microsoft.com/en-us/library/windows/hardware/ff549083/

GetDeviceFileNameWithoutPrefixA()

static char* GetDeviceFileNameWithoutPrefixA ( LPCSTR  lpName )

static

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GetDeviceFileUnixDomainSocketBaseFilePathA()

static char* GetDeviceFileUnixDomainSocketBaseFilePathA ( void  )

static

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GetDeviceFileUnixDomainSocketFilePathA()

static char* GetDeviceFileUnixDomainSocketFilePathA ( LPCSTR  lpName )

static

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