epoc32/include/libc/sys/ioctl.h
branchSymbian2
changeset 2 2fe1408b6811
parent 0 061f57f2323e
child 4 837f303aceeb
equal deleted inserted replaced
1:666f914201fb 2:2fe1408b6811
     1 ioctl.h
     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 the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 
       
    21 
       
    22 
       
    23 /**
       
    24  @file
       
    25  @publishedAll
       
    26  @released
       
    27 */
       
    28 
       
    29 #ifndef _SYS_IOCTL_H_
       
    30 #define _SYS_IOCTL_H_
       
    31 
       
    32 #include <_ansi.h>
       
    33 #include <sys/serial.h>
       
    34 
       
    35 #ifdef __cplusplus
       
    36 extern "C" {
       
    37 #endif
       
    38 
       
    39 /**
       
    40 ioctls under EPOC32 are only loosely related to ioctls in other systems
       
    41 The _IOR(), _IOW() and _IOWR() macros are provided for documentation purposes,
       
    42 to indicate the appropriate form of the third parameter
       
    43 */
       
    44 #define _IOW(n,T)	(n)	/* passes in a T value via the supplied T* ptr */
       
    45 #define _IOR(n,T)	(n)	/* returns a T value via the supplied T* ptr */ 
       
    46 #define _IOWR(n,T)	(n)	/* both of the above */
       
    47 
       
    48 IMPORT_C int ioctl (int, int, void*);
       
    49 
       
    50 /**
       
    51 number of bytes available to be read - cf BSD FIONREAD 
       
    52 */
       
    53 #define E32IONREAD	_IOR( 1,int)	
       
    54 
       
    55 /**
       
    56 ioctl-based form of select with infinite timeout - specify a mask of selectable
       
    57 states and receive back the mask of triggering states
       
    58 */
       
    59 #define E32IOSELECT	_IOWR(2,int)	
       
    60 #   define E32SELECT_READ	0x01
       
    61 #   define E32SELECT_WRITE	0x02
       
    62 #   define E32SELECT_EXCEPT	0x04
       
    63 
       
    64 
       
    65 /**
       
    66 ioctls for serial port			values may change
       
    67 */
       
    68 #define COMMIOCTL_SETSIGNALS		1
       
    69 #define	COMMIOCTL_GETSIGNALS		2
       
    70 #define COMMIOCTL_SETCONFIG			3
       
    71 #define	COMMIOCTL_GETCONFIG			4
       
    72 #define	COMMIOCTL_BREAK				5
       
    73 #define	COMMIOCTL_SETREADTIMEOUT	6
       
    74 #define	COMMIOCTL_GETREADTIMEOUT	7
       
    75 #define	COMMIOCTL_SETREADTHRESHOLD	8
       
    76 #define	COMMIOCTL_GETREADTHRESHOLD	9
       
    77 #define	COMMIOCTL_SETBUFFERLENGTH	10
       
    78 #define	COMMIOCTL_GETBUFFERLENGTH	11
       
    79 #define	COMMIOCTL_NOTIFYSUPPORTED	12
       
    80 #define	COMMIOCTL_NOTIFY			0x400d
       
    81 
       
    82 #define	REAL_COMMIOCTL_NOTIFY		13		// = COMMIOCTL_NOTIFY-0x4000
       
    83 
       
    84 
       
    85 #ifdef __cplusplus
       
    86 }
       
    87 #endif
       
    88 #endif