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