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Club Amiga de Montreal - CAM
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ioctl.h
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1989-05-02
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/*
* IOCTL.H
*
* Note on IOF_ASYNC: Handles by default can do only one thing at a time...
* This might cause the device to block when you specify
* an asynchronous operation when the previous op has not
* completed yet. Not all devices support IOC_NASYNCH
*
* SEE IOCTL.DOC !!!!!
*/
#define IOF_ASYNC 0x80000000L /* Do asynchronously if possible. */
#define IOF_NOORD 0x40000000L /* Execute immediately if possible */
#define IOF_BUF 0x20000000L /* Ioctl args are a buffer and a length*/
#define IOF_NB 0x10000000L /* Non-Blocking. Do not block */
#define IOCMASK 0x00FFFFFFL
#define IOC_RESET 1L
#define IOC_READ (2L|IOF_BUF) /* IOF_ASYNC usually implemented */
#define IOC_WRITE (3L|IOF_BUF) /* IOF_ASYNC usually implemented */
#define IOC_UPDATE 4L
#define IOC_CLEAR 5L
#define IOC_STOP 6L
#define IOC_START 7L
#define IOC_FLUSH 8L
#define IOC_SIGNAL 0x040L /* Get/Set signal # for asynch ops */
#define IOC_SLOTS 0x041L /* Get/Set # of parallel asynch reqs */
#define IOC_RAVAIL 0x042L /* Return # bytes ready to read */
#define IOC_WAVAIL 0x043L /* Return # bytes that can be written */
#define IOC_BLOCKSZ 0x044L /* R/W can be in multiples of this val */
#define IOC_RBUFSZ 0x045L /* Get/Set input buffer size, bytes */
#define IOC_WBUFSZ 0x046L /* Get/Set output buffer size, bytes */
#define IOC_ASYRDY 0x048L /* Asynchronous control, see docs */
#define IOC_ASYWAIT 0x049L
#define IOC_TXTCMD 0x04AL /* Ascii command to execute remote */
#define IOC_ABORT 0x050L /* Abort all asynch. requests */
#define IOC_DUP 0x051L /* Duplicate a handle */
#define IOC_CHOWN 0x052L /* Change ownership of a handle */
#define IOC_SETFUNC 0x054L /* Set IOCTL dispatch function */
#define IOC_GETFUNC 0x055L /* Get IOCTL dispatch function */
#define IOC_DEVCLAS 0x056L /* Return device type */
/*
* These _IOC commands are for internal use only and
* should never be used from application programs.
*/
#define _IOC_CREATE 0x60
#define _IOC_DELETE 0x61
#define _IOC_OPEN 0x62
#define _IOC_CLOSE 0x63
#define _IOC_DUP 0x64
/*
* DEVICE ABILITIES
*/
#define IOTC_CLASS0 0
#define IOTC_CLASS1 1
#define IOTC_CLASS2 2
#define IOTC_CLASS3 3
#define IOTC_CLASS4 4