FreeBSD/Linux Kernel Cross Reference
sys/norma/ipc_token.c
1 /*
2 * Mach Operating System
3 * Copyright (c) 1991 Carnegie Mellon University
4 * All Rights Reserved.
5 *
6 * Permission to use, copy, modify and distribute this software and its
7 * documentation is hereby granted, provided that both the copyright
8 * notice and this permission notice appear in all copies of the
9 * software, derivative works or modified versions, and any portions
10 * thereof, and that both notices appear in supporting documentation.
11 *
12 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
13 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
14 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
15 *
16 * Carnegie Mellon requests users of this software to return to
17 *
18 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
19 * School of Computer Science
20 * Carnegie Mellon University
21 * Pittsburgh PA 15213-3890
22 *
23 * any improvements or extensions that they make and grant Carnegie Mellon
24 * the rights to redistribute these changes.
25 */
26 /*
27 * HISTORY
28 * $Log: ipc_token.c,v $
29 * Revision 2.4 92/03/10 16:28:21 jsb
30 * Merged in norma branch changes as of NORMA_MK7.
31 * [92/03/09 12:50:24 jsb]
32 *
33 * Revision 2.3.2.1 92/01/09 18:45:55 jsb
34 * Purged contents.
35 * [92/01/04 18:25:34 jsb]
36 *
37 * Revision 2.3 91/12/14 14:34:56 jsb
38 * Removed ipc_fields.h hack.
39 *
40 * Revision 2.2 91/11/14 16:46:09 rpd
41 * Created.
42 *
43 */
44 /*
45 * File: norma/ipc_token.c
46 * Author: Joseph S. Barrera III
47 * Date: 1991
48 *
49 * Functions for implementing token-based algorithm for maintaining
50 * distributed reference count information as required for notification
51 * mechanism and for internal garbage collection.
52 */
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