FreeBSD/Linux Kernel Cross Reference
sys/sys/snoop.h
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: releng/8.2/sys/sys/snoop.h 199583 2009-11-20 15:27:52Z jhb $
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_ */
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