genericopenlibs/cstdlib/LINCSYS/IOCTL.H
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     1 /*
       
     2 * Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 /**
       
    21  @file
       
    22  @publishedAll
       
    23  @released
       
    24 */
       
    25 
       
    26 #ifndef _SYS_IOCTL_H_
       
    27 #define _SYS_IOCTL_H_
       
    28 
       
    29 #include <_ansi.h>
       
    30 #include <sys/serial.h>
       
    31 
       
    32 #ifdef __cplusplus
       
    33 extern "C" {
       
    34 #endif
       
    35 
       
    36 /**
       
    37 ioctls under EPOC32 are only loosely related to ioctls in other systems
       
    38 The _IOR(), _IOW() and _IOWR() macros are provided for documentation purposes,
       
    39 to indicate the appropriate form of the third parameter
       
    40 */
       
    41 #define _IOW(n,T)	(n)	/* passes in a T value via the supplied T* ptr */
       
    42 #define _IOR(n,T)	(n)	/* returns a T value via the supplied T* ptr */ 
       
    43 #define _IOWR(n,T)	(n)	/* both of the above */
       
    44 
       
    45 IMPORT_C int ioctl (int, int, void*);
       
    46 
       
    47 /**
       
    48 number of bytes available to be read - cf BSD FIONREAD 
       
    49 */
       
    50 #define E32IONREAD	_IOR( 1,int)	
       
    51 
       
    52 /**
       
    53 ioctl-based form of select with infinite timeout - specify a mask of selectable
       
    54 states and receive back the mask of triggering states
       
    55 */
       
    56 #define E32IOSELECT	_IOWR(2,int)	
       
    57 #   define E32SELECT_READ	0x01
       
    58 #   define E32SELECT_WRITE	0x02
       
    59 #   define E32SELECT_EXCEPT	0x04
       
    60 
       
    61 
       
    62 /**
       
    63 ioctls for serial port			values may change
       
    64 */
       
    65 #define COMMIOCTL_SETSIGNALS		1
       
    66 #define	COMMIOCTL_GETSIGNALS		2
       
    67 #define COMMIOCTL_SETCONFIG			3
       
    68 #define	COMMIOCTL_GETCONFIG			4
       
    69 #define	COMMIOCTL_BREAK				5
       
    70 #define	COMMIOCTL_SETREADTIMEOUT	6
       
    71 #define	COMMIOCTL_GETREADTIMEOUT	7
       
    72 #define	COMMIOCTL_SETREADTHRESHOLD	8
       
    73 #define	COMMIOCTL_GETREADTHRESHOLD	9
       
    74 #define	COMMIOCTL_SETBUFFERLENGTH	10
       
    75 #define	COMMIOCTL_GETBUFFERLENGTH	11
       
    76 #define	COMMIOCTL_NOTIFYSUPPORTED	12
       
    77 #define	COMMIOCTL_NOTIFY			0x400d
       
    78 
       
    79 #define	REAL_COMMIOCTL_NOTIFY		13		// = COMMIOCTL_NOTIFY-0x4000
       
    80 
       
    81 
       
    82 #ifdef __cplusplus
       
    83 }
       
    84 #endif
       
    85 #endif