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/*
* 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 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#include <sys/param.h>
#include <sys/types.h>
#include <sys/sysmacros.h>
#include <sys/systm.h>
#include <sys/tuneable.h>
#include <sys/errno.h>
#include <sys/proc.h>
#include <sys/time.h>
#include <sys/times.h>
#include <sys/debug.h>
#include <sys/msacct.h>
/*
* Return system and user times.
*/
clock_t
times(struct tms *tp)
{
proc_t *p = ttoproc(curthread);
struct tms p_time;
clock_t ret_lbolt;
mutex_enter(&p->p_lock);
p_time.tms_utime = (clock_t)NSEC_TO_TICK(
mstate_aggr_state(p, LMS_USER));
p_time.tms_stime = (clock_t)NSEC_TO_TICK(
mstate_aggr_state(p, LMS_SYSTEM));
p_time.tms_cutime = p->p_cutime;
p_time.tms_cstime = p->p_cstime;
mutex_exit(&p->p_lock);
if (copyout(&p_time, tp, sizeof (p_time)))
return (set_errno(EFAULT));
ret_lbolt = ddi_get_lbolt();
return (ret_lbolt == -1 ? 0 : ret_lbolt);
}
#ifdef _SYSCALL32_IMPL
/*
* We deliberately -don't- return EOVERFLOW on type overflow,
* since the 32-bit kernel simply wraps 'em around.
*/
clock32_t
times32(struct tms32 *tp)
{
proc_t *p = ttoproc(curthread);
struct tms32 p_time;
clock32_t ret_lbolt;
mutex_enter(&p->p_lock);
p_time.tms_utime = (clock32_t)NSEC_TO_TICK(
mstate_aggr_state(p, LMS_USER));
p_time.tms_stime = (clock32_t)NSEC_TO_TICK(
mstate_aggr_state(p, LMS_SYSTEM));
p_time.tms_cutime = (clock32_t)p->p_cutime;
p_time.tms_cstime = (clock32_t)p->p_cstime;
mutex_exit(&p->p_lock);
if (copyout(&p_time, tp, sizeof (p_time)))
return (set_errno(EFAULT));
ret_lbolt = (clock32_t)ddi_get_lbolt();
return (ret_lbolt == (clock32_t)-1 ? 0 : ret_lbolt);
}
#endif /* _SYSCALL32_IMPL */
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