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 https://opensource.org/licenses/CDDL-1.0. 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 2006 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _LIBSPL_SYS_TIME_H 28 #define _LIBSPL_SYS_TIME_H 29 30 #include <time.h> 31 #include <sys/types.h> 32 #include_next <sys/time.h> 33 34 #ifndef SEC 35 #define SEC 1 36 #endif 37 38 #ifndef MILLISEC 39 #define MILLISEC 1000 40 #endif 41 42 #ifndef MICROSEC 43 #define MICROSEC 1000000 44 #endif 45 46 #ifndef NANOSEC 47 #define NANOSEC 1000000000 48 #endif 49 50 #ifndef NSEC_PER_USEC 51 #define NSEC_PER_USEC 1000L 52 #endif 53 54 #ifndef MSEC2NSEC 55 #define MSEC2NSEC(m) ((hrtime_t)(m) * (NANOSEC / MILLISEC)) 56 #endif 57 58 #ifndef NSEC2MSEC 59 #define NSEC2MSEC(n) ((n) / (NANOSEC / MILLISEC)) 60 #endif 61 62 #ifndef USEC2NSEC 63 #define USEC2NSEC(m) ((hrtime_t)(m) * (NANOSEC / MICROSEC)) 64 #endif 65 66 #ifndef NSEC2USEC 67 #define NSEC2USEC(n) ((n) / (NANOSEC / MICROSEC)) 68 #endif 69 70 #ifndef NSEC2SEC 71 #define NSEC2SEC(n) ((n) / (NANOSEC / SEC)) 72 #endif 73 74 #ifndef SEC2NSEC 75 #define SEC2NSEC(m) ((hrtime_t)(m) * (NANOSEC / SEC)) 76 #endif 77 78 typedef long long hrtime_t; 79 typedef struct timespec timespec_t; 80 typedef struct timespec inode_timespec_t; 81 82 static inline void 83 gethrestime(inode_timespec_t *ts) 84 { 85 struct timeval tv; 86 (void) gettimeofday(&tv, NULL); 87 ts->tv_sec = tv.tv_sec; 88 ts->tv_nsec = tv.tv_usec * NSEC_PER_USEC; 89 } 90 91 static inline uint64_t 92 gethrestime_sec(void) 93 { 94 struct timeval tv; 95 (void) gettimeofday(&tv, NULL); 96 return (tv.tv_sec); 97 } 98 99 static inline hrtime_t 100 gethrtime(void) 101 { 102 struct timespec ts; 103 (void) clock_gettime(CLOCK_MONOTONIC, &ts); 104 return ((((u_int64_t)ts.tv_sec) * NANOSEC) + ts.tv_nsec); 105 } 106 107 #endif /* _LIBSPL_SYS_TIME_H */ 108