Pre-2.0 release, MFC 63 - HAMMER I/O error handling and catastrophic
[dragonfly.git] / sys / ddb / db_watch.h
blob92b88073e2f787a3c6589f2bfa308cc29cbaceea
1 /*
2 * Mach Operating System
3 * Copyright (c) 1991,1990 Carnegie Mellon University
4 * All Rights Reserved.
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.
12 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS
13 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
14 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
16 * Carnegie Mellon requests users of this software to return to
18 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
19 * School of Computer Science
20 * Carnegie Mellon University
21 * Pittsburgh PA 15213-3890
23 * any improvements or extensions that they make and grant Carnegie the
24 * rights to redistribute these changes.
26 * $FreeBSD: src/sys/ddb/db_watch.h,v 1.11 1999/08/28 00:41:12 peter Exp $
27 * $DragonFly: src/sys/ddb/db_watch.h,v 1.3 2006/05/20 02:42:01 dillon Exp $
31 * Author: David B. Golub, Carnegie Mellon University
32 * Date: 10/90
35 #ifndef _DDB_DB_WATCH_H_
36 #define _DDB_DB_WATCH_H_
38 #ifndef _DDB_DDB_H_
39 #include <ddb/ddb.h>
40 #endif
41 #ifndef _VM_VM_MAP_H_
42 #include <vm/vm_map.h>
43 #endif
46 * Watchpoint.
49 typedef struct db_watchpoint {
50 vm_map_t map; /* in this map */
51 db_addr_t loaddr; /* from this address */
52 db_addr_t hiaddr; /* to this address */
53 struct db_watchpoint *link; /* link in in-use or free chain */
54 } *db_watchpoint_t;
56 #endif /* !_DDB_DB_WATCH_H_ */