17c478bdstevel@tonic-gate/*
27c478bdstevel@tonic-gate * CDDL HEADER START
37c478bdstevel@tonic-gate *
47c478bdstevel@tonic-gate * The contents of this file are subject to the terms of the
50209230gjelinek * Common Development and Distribution License (the "License").
60209230gjelinek * You may not use this file except in compliance with the License.
77c478bdstevel@tonic-gate *
87c478bdstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bdstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
107c478bdstevel@tonic-gate * See the License for the specific language governing permissions
117c478bdstevel@tonic-gate * and limitations under the License.
127c478bdstevel@tonic-gate *
137c478bdstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
147c478bdstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bdstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
167c478bdstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
177c478bdstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bdstevel@tonic-gate *
197c478bdstevel@tonic-gate * CDDL HEADER END
207c478bdstevel@tonic-gate */
217257d1braf
227c478bdstevel@tonic-gate/*
237257d1braf * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
247c478bdstevel@tonic-gate * Use is subject to license terms.
257c478bdstevel@tonic-gate */
267c478bdstevel@tonic-gate
277c478bdstevel@tonic-gate/*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
287c478bdstevel@tonic-gate/*	  All Rights Reserved  	*/
297c478bdstevel@tonic-gate
307c478bdstevel@tonic-gate/*
317c478bdstevel@tonic-gate * Portions of this source code were derived from Berkeley 4.3 BSD
327c478bdstevel@tonic-gate * under license from the Regents of the University of California.
337c478bdstevel@tonic-gate */
347c478bdstevel@tonic-gate
357c478bdstevel@tonic-gate#pragma ident	"%Z%%M%	%I%	%E% SMI"
367c478bdstevel@tonic-gate
377c478bdstevel@tonic-gate/*
387c478bdstevel@tonic-gate * Compatibility lib for BSD's getrusgae(). Only the
397c478bdstevel@tonic-gate * CPU time usage is supported for RUSAGE_CHILDREN, and hence does not
407c478bdstevel@tonic-gate * fully support BSD's rusage semantics.
417c478bdstevel@tonic-gate */
427c478bdstevel@tonic-gate
437257d1braf#include "lint.h"
447c478bdstevel@tonic-gate#include <sys/types.h>
457c478bdstevel@tonic-gate#include <sys/time.h>
467c478bdstevel@tonic-gate#include <sys/times.h>
477c478bdstevel@tonic-gate#include <stdio.h>
487c478bdstevel@tonic-gate#include <sys/param.h>
497c478bdstevel@tonic-gate#include <errno.h>
507c478bdstevel@tonic-gate#include <sys/resource.h>
510209230gjelinek#include <sys/vm_usage.h>
527c478bdstevel@tonic-gate#include <fcntl.h>
537c478bdstevel@tonic-gate#include <sys/fcntl.h>
547c478bdstevel@tonic-gate#include <procfs.h>
557c478bdstevel@tonic-gate#include <string.h>
567c478bdstevel@tonic-gate#include <unistd.h>
577c478bdstevel@tonic-gate
587c478bdstevel@tonic-gateint __rusagesys(int, struct rusage *);
597c478bdstevel@tonic-gate
607c478bdstevel@tonic-gateint
617c478bdstevel@tonic-gategetrusage(int who, struct rusage *rusage)
627c478bdstevel@tonic-gate{
637c478bdstevel@tonic-gate	switch (who) {
647c478bdstevel@tonic-gate
657c478bdstevel@tonic-gate	case RUSAGE_SELF:
667c478bdstevel@tonic-gate		return (__rusagesys(_RUSAGESYS_GETRUSAGE, rusage));
677c478bdstevel@tonic-gate
687c478bdstevel@tonic-gate	case RUSAGE_LWP:
697c478bdstevel@tonic-gate		return (__rusagesys(_RUSAGESYS_GETRUSAGE_LWP, rusage));
707c478bdstevel@tonic-gate
717c478bdstevel@tonic-gate	case RUSAGE_CHILDREN:
727c478bdstevel@tonic-gate		return (__rusagesys(_RUSAGESYS_GETRUSAGE_CHLD, rusage));
737c478bdstevel@tonic-gate
747c478bdstevel@tonic-gate	default:
757c478bdstevel@tonic-gate		errno = EINVAL;
767c478bdstevel@tonic-gate		return (-1);
777c478bdstevel@tonic-gate	}
787c478bdstevel@tonic-gate}
790209230gjelinek
800209230gjelinekint
810209230gjelinekgetvmusage(uint_t flags, time_t age, vmusage_t *buf, size_t *nres)
820209230gjelinek{
830209230gjelinek	return (syscall(SYS_rusagesys, _RUSAGESYS_GETVMUSAGE, flags, age,
840209230gjelinek	    buf, nres));
850209230gjelinek}
86