xref: /onnv-gate/usr/src/lib/libc/port/gen/getloadavg.c (revision 6812:febeba71273d)
10Sstevel@tonic-gate /*
20Sstevel@tonic-gate  * CDDL HEADER START
30Sstevel@tonic-gate  *
40Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*6812Sraf  * Common Development and Distribution License (the "License").
6*6812Sraf  * You may not use this file except in compliance with the License.
70Sstevel@tonic-gate  *
80Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
90Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
100Sstevel@tonic-gate  * See the License for the specific language governing permissions
110Sstevel@tonic-gate  * and limitations under the License.
120Sstevel@tonic-gate  *
130Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
140Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
150Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
160Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
170Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
180Sstevel@tonic-gate  *
190Sstevel@tonic-gate  * CDDL HEADER END
200Sstevel@tonic-gate  */
21*6812Sraf 
220Sstevel@tonic-gate /*
23*6812Sraf  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
240Sstevel@tonic-gate  * Use is subject to license terms.
250Sstevel@tonic-gate  */
260Sstevel@tonic-gate 
270Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
280Sstevel@tonic-gate 
29*6812Sraf #pragma weak _getloadavg = getloadavg
300Sstevel@tonic-gate 
31*6812Sraf #include "lint.h"
320Sstevel@tonic-gate #include <sys/types.h>
330Sstevel@tonic-gate #include <sys/param.h>
340Sstevel@tonic-gate #include <sys/loadavg.h>
350Sstevel@tonic-gate 
360Sstevel@tonic-gate /*
370Sstevel@tonic-gate  * getloadavg -- get the time averaged run queues from the system
380Sstevel@tonic-gate  */
390Sstevel@tonic-gate int
getloadavg(double loadavg[],int nelem)400Sstevel@tonic-gate getloadavg(double loadavg[], int nelem)
410Sstevel@tonic-gate {
42*6812Sraf 	extern int __getloadavg(int *buf, int nelem);
43*6812Sraf 
440Sstevel@tonic-gate 	int i, buf[LOADAVG_NSTATS];
450Sstevel@tonic-gate 
460Sstevel@tonic-gate 	if (nelem > LOADAVG_NSTATS)
470Sstevel@tonic-gate 		nelem = LOADAVG_NSTATS;
480Sstevel@tonic-gate 
490Sstevel@tonic-gate 	if ((nelem = __getloadavg(buf, nelem)) == -1)
500Sstevel@tonic-gate 		return (-1);
510Sstevel@tonic-gate 
520Sstevel@tonic-gate 	for (i = 0; i < nelem; i++)
530Sstevel@tonic-gate 		loadavg[i] = (double)buf[i] / FSCALE;
540Sstevel@tonic-gate 
550Sstevel@tonic-gate 	return (nelem);
560Sstevel@tonic-gate }
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