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 * $FreeBSD$ 16 */ 17 18#ifndef _SYS_SNOOP_H_ 19#define _SYS_SNOOP_H_ 20 21#ifndef _KERNEL 22#include <sys/types.h> 23#endif 24#include <sys/ioccom.h> 25 26/* 27 * These are snoop io controls 28 * SNPSTTY accepts a file descriptor as input. 29 */ 30 31#define SNPSTTY _IOW('T', 90, int) 32#define SNPGTTY _IOR('T', 89, dev_t) 33 34/* 35 * These values would be returned by FIONREAD ioctl 36 * instead of number of characters in buffer in case 37 * of specific errors. 38 */ 39#define SNP_OFLOW -1 40#define SNP_TTYCLOSE -2 41#define SNP_DETACH -3 42 43#endif /* !_SYS_SNOOP_H_ */ 44