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 31 #pragma ident "%Z%%M% %I% %E% SMI" 32 33 #include <sys/param.h> 34 #include <sys/types.h> 35 #include <sys/sysmacros.h> 36 #include <sys/systm.h> 37 #include <sys/tuneable.h> 38 #include <sys/errno.h> 39 #include <sys/proc.h> 40 #include <sys/time.h> 41 #include <sys/times.h> 42 #include <sys/debug.h> 43 #include <sys/msacct.h> 44 45 /* 46 * Return system and user times. 47 */ 48 49 clock_t 50 times(struct tms *tp) 51 { 52 proc_t *p = ttoproc(curthread); 53 struct tms p_time; 54 clock_t ret_lbolt; 55 56 mutex_enter(&p->p_lock); 57 p_time.tms_utime = (clock_t)NSEC_TO_TICK( 58 mstate_aggr_state(p, LMS_USER)); 59 p_time.tms_stime = (clock_t)NSEC_TO_TICK( 60 mstate_aggr_state(p, LMS_SYSTEM)); 61 p_time.tms_cutime = p->p_cutime; 62 p_time.tms_cstime = p->p_cstime; 63 mutex_exit(&p->p_lock); 64 65 if (copyout(&p_time, tp, sizeof (p_time))) 66 return (set_errno(EFAULT)); 67 68 ret_lbolt = lbolt; 69 70 return (ret_lbolt == -1 ? 0 : ret_lbolt); 71 } 72 73 #ifdef _SYSCALL32_IMPL 74 75 /* 76 * We deliberately -don't- return EOVERFLOW on type overflow, 77 * since the 32-bit kernel simply wraps 'em around. 78 */ 79 clock32_t 80 times32(struct tms32 *tp) 81 { 82 proc_t *p = ttoproc(curthread); 83 struct tms32 p_time; 84 clock32_t ret_lbolt; 85 86 mutex_enter(&p->p_lock); 87 p_time.tms_utime = (clock32_t)NSEC_TO_TICK( 88 mstate_aggr_state(p, LMS_USER)); 89 p_time.tms_stime = (clock32_t)NSEC_TO_TICK( 90 mstate_aggr_state(p, LMS_SYSTEM)); 91 p_time.tms_cutime = (clock32_t)p->p_cutime; 92 p_time.tms_cstime = (clock32_t)p->p_cstime; 93 mutex_exit(&p->p_lock); 94 95 if (copyout(&p_time, tp, sizeof (p_time))) 96 return (set_errno(EFAULT)); 97 98 ret_lbolt = (clock32_t)lbolt; 99 100 return (ret_lbolt == (clock32_t)-1 ? 0 : ret_lbolt); 101 } 102 103 #endif /* _SYSCALL32_IMPL */ 104