/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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 1987 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984 AT&T */
/* All Rights Reserved */
#pragma ident "%Z%%M% %I% %E% SMI" /* from S5R2 1.1 */
/*LINTLIBRARY*/
#include <sys/types.h>
#include <sys/times.h>
#include <sys/param.h> /* for HZ (clock frequency in Hz) */
#define TIMES(B) (B.tms_utime+B.tms_stime+B.tms_cutime+B.tms_cstime)
extern long times();
static long first;
long
clock()
{
struct tms buffer;
if (times(&buffer) == -1L)
return (0L);
if (first == 0L)
first = TIMES(buffer);
return ((TIMES(buffer) - first) * (1000000L/HZ));
}