/*

* Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members

* which accompanies this distribution, and is available

* at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

*/

/**

 @file

 @publishedAll

 @released

*/

#ifndef _SYS_IOCTL_H_

#define _SYS_IOCTL_H_

#include <_ansi.h>

#include <sys/serial.h>

#ifdef __cplusplus

extern "C" {

#endif

/**

ioctls under EPOC32 are only loosely related to ioctls in other systems

The _IOR(), _IOW() and _IOWR() macros are provided for documentation purposes,

to indicate the appropriate form of the third parameter

*/

#define _IOW(n,T)	(n)	/* passes in a T value via the supplied T* ptr */

#define _IOR(n,T)	(n)	/* returns a T value via the supplied T* ptr */ 

#define _IOWR(n,T)	(n)	/* both of the above */

IMPORT_C int ioctl (int, int, void*);

/**

number of bytes available to be read - cf BSD FIONREAD 

*/

#define E32IONREAD	_IOR( 1,int)	

/**

ioctl-based form of select with infinite timeout - specify a mask of selectable

states and receive back the mask of triggering states

*/

#define E32IOSELECT	_IOWR(2,int)	

#   define E32SELECT_READ	0x01

#   define E32SELECT_WRITE	0x02

#   define E32SELECT_EXCEPT	0x04

/**

ioctls for serial port			values may change

*/

#define COMMIOCTL_SETSIGNALS		1

#define	COMMIOCTL_GETSIGNALS		2

#define COMMIOCTL_SETCONFIG			3

#define	COMMIOCTL_GETCONFIG			4

#define	COMMIOCTL_BREAK				5

#define	COMMIOCTL_SETREADTIMEOUT	6

#define	COMMIOCTL_GETREADTIMEOUT	7

#define	COMMIOCTL_SETREADTHRESHOLD	8

#define	COMMIOCTL_GETREADTHRESHOLD	9

#define	COMMIOCTL_SETBUFFERLENGTH	10

#define	COMMIOCTL_GETBUFFERLENGTH	11

#define	COMMIOCTL_NOTIFYSUPPORTED	12

#define	COMMIOCTL_NOTIFY			0x400d

#define	REAL_COMMIOCTL_NOTIFY		13		// = COMMIOCTL_NOTIFY-0x4000

#ifdef __cplusplus

}

#endif

#endif