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: src/sys/sys/snoop.h,v 1.14.2.1 2002/03/11 01:23:05 dd Exp $ 16 * $DragonFly: src/sys/sys/snoop.h,v 1.2 2003/06/17 04:28:58 dillon Exp $ 17 */ 18 19 #ifndef _SYS_SNOOP_H_ 20 #define _SYS_SNOOP_H_ 21 22 #include <sys/ioccom.h> 23 24 /* 25 * Theese are snoop io controls 26 * SNPSTTY accepts 'struct snptty' as input. 27 * If ever type or unit set to -1,snoop device 28 * detached from its current tty. 29 */ 30 31 #define SNPSTTY _IOW('T', 90, dev_t) 32 #define SNPGTTY _IOR('T', 89, dev_t) 33 34 /* 35 * Theese 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