1 /*
2 * Mach Operating System
3 * Copyright (c) 1991,1990,1989 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: syscall_subr.h,v $
29 * Revision 2.5 91/05/18 14:33:56 rpd
30 * Added thread_depress_timeout.
31 * [91/03/31 rpd]
32 *
33 * Revision 2.4 91/05/14 16:47:37 mrt
34 * Correcting copyright
35 *
36 * Revision 2.3 91/02/05 17:29:40 mrt
37 * Changed to new Mach copyright
38 * [91/02/01 16:18:24 mrt]
39 *
40 * Revision 2.2 90/06/02 14:56:22 rpd
41 * Created.
42 * [90/03/26 23:52:40 rpd]
43 *
44 * Revision 2.5 89/10/11 14:27:28 dlb
45 * Add thread_switch, remove kern_timestamp.
46 * [89/09/01 17:43:07 dlb]
47 *
48 * Revision 2.4 89/10/10 10:54:34 mwyoung
49 * Add a new call to create an RFS link, a special form of
50 * symbolic link that may contain null characters in the target.
51 * [89/10/01 mwyoung]
52 *
53 * Revision 2.3 89/05/01 17:28:32 rpd
54 * Removed the ctimes() declaration; it's history.
55 *
56 * Revision 2.2 89/05/01 17:01:50 rpd
57 * Created.
58 * [89/05/01 14:00:51 rpd]
59 *
60 */
61
62 #ifndef _KERN_SYSCALL_SUBR_H_
63 #define _KERN_SYSCALL_SUBR_H_
64
65 extern int swtch();
66 extern int swtch_pri();
67 extern int thread_switch();
68 extern void thread_depress_timeout();
69
70 #endif _KERN_SYSCALL_SUBR_H_
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