xref: /freebsd/contrib/ntp/libntp/lib/isc/include/isc/eventclass.h (revision a466cc55373fc3cf86837f09da729535b57e69a1)
1 /*
2  * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
3  * Copyright (C) 1998-2001  Internet Software Consortium.
4  *
5  * Permission to use, copy, modify, and/or distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
10  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
11  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
12  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
13  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
14  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15  * PERFORMANCE OF THIS SOFTWARE.
16  */
17 
18 /* $Id: eventclass.h,v 1.18 2007/06/19 23:47:18 tbox Exp $ */
19 
20 #ifndef ISC_EVENTCLASS_H
21 #define ISC_EVENTCLASS_H 1
22 
23 /*! \file isc/eventclass.h
24  ***** Registry of Predefined Event Type Classes
25  *****/
26 
27 /*%
28  * An event class is an unsigned 16 bit number.  Each class may contain up
29  * to 65536 events.  An event type is formed by adding the event number
30  * within the class to the class number.
31  *
32  */
33 
34 #define ISC_EVENTCLASS(eclass)		((eclass) << 16)
35 
36 /*@{*/
37 /*!
38  * Classes < 1024 are reserved for ISC use.
39  * Event classes >= 1024 and <= 65535 are reserved for application use.
40  */
41 
42 #define	ISC_EVENTCLASS_TASK		ISC_EVENTCLASS(0)
43 #define	ISC_EVENTCLASS_TIMER		ISC_EVENTCLASS(1)
44 #define	ISC_EVENTCLASS_SOCKET		ISC_EVENTCLASS(2)
45 #define	ISC_EVENTCLASS_FILE		ISC_EVENTCLASS(3)
46 #define	ISC_EVENTCLASS_DNS		ISC_EVENTCLASS(4)
47 #define	ISC_EVENTCLASS_APP		ISC_EVENTCLASS(5)
48 #define	ISC_EVENTCLASS_OMAPI		ISC_EVENTCLASS(6)
49 #define	ISC_EVENTCLASS_RATELIMITER	ISC_EVENTCLASS(7)
50 #define	ISC_EVENTCLASS_ISCCC		ISC_EVENTCLASS(8)
51 /*@}*/
52 
53 #endif /* ISC_EVENTCLASS_H */
54