/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 * Copyright 2014 Igor Kozhukhov <ikozhukhov@gmail.com>.
 * Use is subject to license terms.
 */

#ifndef _SYS_LOADAVG_H
#define _SYS_LOADAVG_H

#ifdef  __cplusplus
extern "C" {
#endif

#define LOADAVG_1MIN    0
#define LOADAVG_5MIN    1
#define LOADAVG_15MIN   2

#define LOADAVG_NSTATS  3

#define S_LOADAVG_SZ    11
#define S_MOVAVG_SZ     10

struct loadavg_s {
        int lg_cur;             /* current loadavg entry */
        unsigned int lg_len;    /* number entries recorded */
        hrtime_t lg_total;      /* used to temporarily hold load totals */
        hrtime_t lg_loads[S_LOADAVG_SZ];        /* table of recorded entries */
};

#ifdef _KERNEL

extern int getloadavg(int *, int);

#else   /* _KERNEL */

/*
 * This is the user API
 */
extern int getloadavg(double [], int);

#endif  /* _KERNEL */

#ifdef __cplusplus
}
#endif

#endif  /* _SYS_LOADAVG_H */