| 1 | /*- |
| 2 | * Copyright (c) 1995 Ugen J.S.Antsilevich |
| 3 | * |
| 4 | * Redistribution and use in source forms, with and without modification, |
| 5 | * are permitted provided that this entire comment appears intact. |
| 6 | * |
| 7 | * Redistribution in binary form may occur without any restrictions. |
| 8 | * Obviously, it would be nice if you gave credit where credit is due |
| 9 | * but requiring it would be too onerous. |
| 10 | * |
| 11 | * This software is provided ``AS IS'' without any warranties of any kind. |
| 12 | * |
| 13 | * Snoop stuff. |
| 14 | */ |
| 15 | |
| 16 | #ifndef _SYS_SNOOP_H_ |
| 17 | #define _SYS_SNOOP_H_ |
| 18 | |
| 19 | #ifndef _KERNEL |
| 20 | #include <sys/types.h> |
| 21 | #endif |
| 22 | #include <sys/ioccom.h> |
| 23 | |
| 24 | /* |
| 25 | * These are snoop io controls |
| 26 | * SNPSTTY accepts a file descriptor as input. |
| 27 | */ |
| 28 | |
| 29 | #define SNPSTTY _IOW('T', 90, int) |
| 30 | #define SNPGTTY _IOR('T', 89, dev_t) |
| 31 | |
| 32 | /* |
| 33 | * These values would be returned by FIONREAD ioctl |
| 34 | * instead of number of characters in buffer in case |
| 35 | * of specific errors. |
| 36 | */ |
| 37 | #define SNP_OFLOW -1 |
| 38 | #define SNP_TTYCLOSE -2 |
| 39 | #define SNP_DETACH -3 |
| 40 | |
| 41 | #endif /* !_SYS_SNOOP_H_ */ |