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_ */
42