1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
24*0Sstevel@tonic-gate * Use is subject to license terms.
25*0Sstevel@tonic-gate */
26*0Sstevel@tonic-gate
27*0Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
28*0Sstevel@tonic-gate /* All Rights Reserved */
29*0Sstevel@tonic-gate
30*0Sstevel@tonic-gate
31*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
32*0Sstevel@tonic-gate
33*0Sstevel@tonic-gate #include <sys/param.h>
34*0Sstevel@tonic-gate #include <sys/types.h>
35*0Sstevel@tonic-gate #include <sys/sysmacros.h>
36*0Sstevel@tonic-gate #include <sys/systm.h>
37*0Sstevel@tonic-gate #include <sys/errno.h>
38*0Sstevel@tonic-gate #include <sys/proc.h>
39*0Sstevel@tonic-gate #include <sys/time.h>
40*0Sstevel@tonic-gate #include <sys/debug.h>
41*0Sstevel@tonic-gate #include <sys/model.h>
42*0Sstevel@tonic-gate #include <sys/msacct.h>
43*0Sstevel@tonic-gate
44*0Sstevel@tonic-gate /*
45*0Sstevel@tonic-gate * Get the time accounting information for the calling LWP.
46*0Sstevel@tonic-gate */
47*0Sstevel@tonic-gate int
lwp_info(timestruc_t * tvp)48*0Sstevel@tonic-gate lwp_info(timestruc_t *tvp)
49*0Sstevel@tonic-gate {
50*0Sstevel@tonic-gate timestruc_t tv[2];
51*0Sstevel@tonic-gate hrtime_t hrutime, hrstime;
52*0Sstevel@tonic-gate klwp_t *lwp = ttolwp(curthread);
53*0Sstevel@tonic-gate
54*0Sstevel@tonic-gate hrutime = lwp->lwp_mstate.ms_acct[LMS_USER];
55*0Sstevel@tonic-gate hrstime = lwp->lwp_mstate.ms_acct[LMS_SYSTEM] +
56*0Sstevel@tonic-gate lwp->lwp_mstate.ms_acct[LMS_TRAP];
57*0Sstevel@tonic-gate scalehrtime(&hrutime);
58*0Sstevel@tonic-gate scalehrtime(&hrstime);
59*0Sstevel@tonic-gate
60*0Sstevel@tonic-gate hrt2ts(hrutime, &tv[0]);
61*0Sstevel@tonic-gate hrt2ts(hrstime, &tv[1]);
62*0Sstevel@tonic-gate
63*0Sstevel@tonic-gate if (get_udatamodel() == DATAMODEL_NATIVE) {
64*0Sstevel@tonic-gate if (copyout(tv, tvp, sizeof (tv)))
65*0Sstevel@tonic-gate return (set_errno(EFAULT));
66*0Sstevel@tonic-gate } else {
67*0Sstevel@tonic-gate timestruc32_t tv32[2];
68*0Sstevel@tonic-gate
69*0Sstevel@tonic-gate if (TIMESPEC_OVERFLOW(&tv[0]) ||
70*0Sstevel@tonic-gate TIMESPEC_OVERFLOW(&tv[1]))
71*0Sstevel@tonic-gate return (set_errno(EOVERFLOW)); /* unlikely */
72*0Sstevel@tonic-gate
73*0Sstevel@tonic-gate TIMESPEC_TO_TIMESPEC32(&tv32[0], &tv[0]);
74*0Sstevel@tonic-gate TIMESPEC_TO_TIMESPEC32(&tv32[1], &tv[1]);
75*0Sstevel@tonic-gate
76*0Sstevel@tonic-gate if (copyout(tv32, tvp, sizeof (tv32)))
77*0Sstevel@tonic-gate return (set_errno(EFAULT));
78*0Sstevel@tonic-gate }
79*0Sstevel@tonic-gate return (0);
80*0Sstevel@tonic-gate }
81