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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 27 /* All Rights Reserved */ 28 29 30 #include <sys/param.h> 31 #include <sys/types.h> 32 #include <sys/sysmacros.h> 33 #include <sys/systm.h> 34 #include <sys/tuneable.h> 35 #include <sys/errno.h> 36 #include <sys/proc.h> 37 #include <sys/time.h> 38 #include <sys/times.h> 39 #include <sys/debug.h> 40 #include <sys/msacct.h> 41 42 /* 43 * Return system and user times. 44 */ 45 46 clock_t 47 times(struct tms *tp) 48 { 49 proc_t *p = ttoproc(curthread); 50 struct tms p_time; 51 clock_t ret_lbolt; 52 53 mutex_enter(&p->p_lock); 54 p_time.tms_utime = (clock_t)NSEC_TO_TICK( 55 mstate_aggr_state(p, LMS_USER)); 56 p_time.tms_stime = (clock_t)NSEC_TO_TICK( 57 mstate_aggr_state(p, LMS_SYSTEM)); 58 p_time.tms_cutime = p->p_cutime; 59 p_time.tms_cstime = p->p_cstime; 60 mutex_exit(&p->p_lock); 61 62 if (copyout(&p_time, tp, sizeof (p_time))) 63 return (set_errno(EFAULT)); 64 65 ret_lbolt = ddi_get_lbolt(); 66 67 return (ret_lbolt == -1 ? 0 : ret_lbolt); 68 } 69 70 #ifdef _SYSCALL32_IMPL 71 72 /* 73 * We deliberately -don't- return EOVERFLOW on type overflow, 74 * since the 32-bit kernel simply wraps 'em around. 75 */ 76 clock32_t 77 times32(struct tms32 *tp) 78 { 79 proc_t *p = ttoproc(curthread); 80 struct tms32 p_time; 81 clock32_t ret_lbolt; 82 83 mutex_enter(&p->p_lock); 84 p_time.tms_utime = (clock32_t)NSEC_TO_TICK( 85 mstate_aggr_state(p, LMS_USER)); 86 p_time.tms_stime = (clock32_t)NSEC_TO_TICK( 87 mstate_aggr_state(p, LMS_SYSTEM)); 88 p_time.tms_cutime = (clock32_t)p->p_cutime; 89 p_time.tms_cstime = (clock32_t)p->p_cstime; 90 mutex_exit(&p->p_lock); 91 92 if (copyout(&p_time, tp, sizeof (p_time))) 93 return (set_errno(EFAULT)); 94 95 ret_lbolt = (clock32_t)ddi_get_lbolt(); 96 97 return (ret_lbolt == (clock32_t)-1 ? 0 : ret_lbolt); 98 } 99 100 #endif /* _SYSCALL32_IMPL */ 101