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 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* 28 * Implementation-private. This header should not be included 29 * directly by an application. The application should instead 30 * include <time.h> which includes this header conditionally 31 * depending on which feature test macros are defined. By default, 32 * this header is included by <time.h>. X/Open and POSIX 33 * standards requirements result in this header being included 34 * by <time.h> only under a restricted set of conditions. 35 */ 36 37 #ifndef _SYS_TIME_IMPL_H 38 #define _SYS_TIME_IMPL_H 39 40 #pragma ident "%Z%%M% %I% %E% SMI" 41 42 #include <sys/feature_tests.h> 43 44 #ifdef __cplusplus 45 extern "C" { 46 #endif 47 48 #ifndef _ASM 49 50 #if !defined(_TIME_T) || __cplusplus >= 199711L 51 #define _TIME_T 52 typedef long time_t; /* time of day in seconds */ 53 #endif /* _TIME_T */ 54 55 /* 56 * Time expressed in seconds and nanoseconds 57 */ 58 59 typedef struct timespec { /* definition per POSIX.4 */ 60 time_t tv_sec; /* seconds */ 61 long tv_nsec; /* and nanoseconds */ 62 } timespec_t; 63 64 #if defined(_SYSCALL32) 65 66 #include <sys/types32.h> 67 68 #define TIMESPEC32_TO_TIMESPEC(ts, ts32) { \ 69 (ts)->tv_sec = (time_t)(ts32)->tv_sec; \ 70 (ts)->tv_nsec = (ts32)->tv_nsec; \ 71 } 72 73 #define TIMESPEC_TO_TIMESPEC32(ts32, ts) { \ 74 (ts32)->tv_sec = (time32_t)(ts)->tv_sec; \ 75 (ts32)->tv_nsec = (ts)->tv_nsec; \ 76 } 77 78 #define TIMESPEC_OVERFLOW(ts) \ 79 ((ts)->tv_sec < TIME32_MIN || (ts)->tv_sec > TIME32_MAX) 80 81 #endif /* _SYSCALL32 */ 82 83 typedef struct timespec timestruc_t; /* definition per SVr4 */ 84 85 /* 86 * The following has been left in for backward compatibility. Portable 87 * applications should not use the structure name timestruc. 88 */ 89 90 #if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) 91 #define timestruc timespec /* structure name per SVr4 */ 92 #endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */ 93 94 /* 95 * Timer specification 96 */ 97 typedef struct itimerspec { /* definition per POSIX.4 */ 98 struct timespec it_interval; /* timer period */ 99 struct timespec it_value; /* timer expiration */ 100 } itimerspec_t; 101 102 #if defined(_SYSCALL32) 103 104 #define ITIMERSPEC32_TO_ITIMERSPEC(it, it32) { \ 105 TIMESPEC32_TO_TIMESPEC(&(it)->it_interval, &(it32)->it_interval); \ 106 TIMESPEC32_TO_TIMESPEC(&(it)->it_value, &(it32)->it_value); \ 107 } 108 109 #define ITIMERSPEC_TO_ITIMERSPEC32(it32, it) { \ 110 TIMESPEC_TO_TIMESPEC32(&(it32)->it_interval, &(it)->it_interval); \ 111 TIMESPEC_TO_TIMESPEC32(&(it32)->it_value, &(it)->it_value); \ 112 } 113 114 #define ITIMERSPEC_OVERFLOW(it) \ 115 (TIMESPEC_OVERFLOW(&(it)->it_interval) && \ 116 TIMESPEC_OVERFLOW(&(it)->it_value)) 117 118 #endif /* _SYSCALL32 */ 119 120 #endif /* _ASM */ 121 122 #define __CLOCK_REALTIME0 0 /* obsolete; same as CLOCK_REALTIME */ 123 #define CLOCK_VIRTUAL 1 /* thread's user-level CPU clock */ 124 #define CLOCK_THREAD_CPUTIME_ID 2 /* thread's user+system CPU clock */ 125 #define CLOCK_REALTIME 3 /* wall clock */ 126 #define CLOCK_MONOTONIC 4 /* high resolution monotonic clock */ 127 #define CLOCK_PROCESS_CPUTIME_ID 5 /* process's user+system CPU clock */ 128 #define CLOCK_HIGHRES CLOCK_MONOTONIC /* alternate name */ 129 #define CLOCK_PROF CLOCK_THREAD_CPUTIME_ID /* alternate name */ 130 131 #ifdef _KERNEL 132 #define CLOCK_MAX 6 133 #endif 134 135 #define TIMER_RELTIME 0x0 /* set timer relative */ 136 #define TIMER_ABSTIME 0x1 /* set timer absolute */ 137 138 #ifdef __cplusplus 139 } 140 #endif 141 142 #endif /* _SYS_TIME_IMPL_H */ 143