xref: /illumos-gate/usr/src/uts/common/sys/loadavg.h (revision 03831d35)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright (c) 1997, by Sun Microsystems, Inc.
24  * All rights reserved.
25  */
26 
27 #ifndef	_SYS_LOADAVG_H
28 #define	_SYS_LOADAVG_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #ifdef	__cplusplus
33 extern "C" {
34 #endif
35 
36 #define	LOADAVG_1MIN	0
37 #define	LOADAVG_5MIN	1
38 #define	LOADAVG_15MIN	2
39 
40 #define	LOADAVG_NSTATS	3
41 
42 #ifdef _KERNEL
43 
44 extern int getloadavg(int *, int);
45 
46 #else	/* _KERNEL */
47 
48 /*
49  * This is the user API
50  */
51 extern int getloadavg(double [], int);
52 
53 /*
54  * This is the system call that implements it.
55  * Do not invoke this directly.
56  */
57 extern int __getloadavg(int *, int);
58 
59 #endif	/* _KERNEL */
60 
61 #ifdef __cplusplus
62 }
63 #endif
64 
65 #endif	/* _SYS_LOADAVG_H */
66