1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1989, 1993 5 * The Regents of the University of California. All rights reserved. 6 * (c) UNIX System Laboratories, Inc. 7 * All or some portions of this file are derived from material licensed 8 * to the University of California by American Telephone and Telegraph 9 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 10 * the permission of UNIX System Laboratories, Inc. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)time.h 8.3 (Berkeley) 1/21/94 37 */ 38 39 #ifndef _SYS_SYS__CLOCK_ID_H 40 #define _SYS_SYS__CLOCK_ID_H 41 42 /* 43 * These macros are shared between time.h and sys/time.h. 44 */ 45 46 /* 47 * Note: The values shown below as a comment for the __POSIX_VISIBLE values are 48 * the ones FreeBSD traditionally used based on our reading of the POSIX 49 * standards. However, glibc uses 199309 for all of them, even those many were 50 * not defined there. To remain bug compatible with glibc means more software 51 * that relied on the glibc behavior will compile easily on FreeBSD. 52 * 53 * Also, CLOCK_UPTIME_FAST is improperly visible temporarily for the lang/pocl 54 * port until it can be updated properly. It incorrectly assumes that this was a 55 * standard value. It will be moved back to the __BSD_VISIBLE section once the 56 * issue is corrected. 57 */ 58 59 #if __POSIX_VISIBLE >= 199309 /* 199506 */ 60 #define CLOCK_REALTIME 0 61 #endif /* __POSIX_VISIBLE >= 199309 */ 62 #ifdef __BSD_VISIBLE 63 #define CLOCK_VIRTUAL 1 64 #define CLOCK_PROF 2 65 #endif /* __BSD_VISIBLE */ 66 #if __POSIX_VISIBLE >= 199309 /* 200112 */ 67 #define CLOCK_MONOTONIC 4 68 #define CLOCK_UPTIME_FAST 8 69 #endif /* __POSIX_VISIBLE >= 199309 */ 70 #ifdef __BSD_VISIBLE 71 /* 72 * FreeBSD-specific clocks. 73 */ 74 #define CLOCK_UPTIME 5 75 #define CLOCK_UPTIME_PRECISE 7 76 #define CLOCK_REALTIME_PRECISE 9 77 #define CLOCK_REALTIME_FAST 10 78 #define CLOCK_MONOTONIC_PRECISE 11 79 #define CLOCK_MONOTONIC_FAST 12 80 #define CLOCK_SECOND 13 81 #endif /* __BSD_VISIBLE */ 82 83 #if __POSIX_VISIBLE >= 199309 /* 200112 */ 84 #define CLOCK_THREAD_CPUTIME_ID 14 85 #define CLOCK_PROCESS_CPUTIME_ID 15 86 #endif /* __POSIX_VISIBLE >= 199309 */ 87 88 /* 89 * Linux compatible names. 90 */ 91 #if __BSD_VISIBLE 92 #define CLOCK_BOOTTIME CLOCK_UPTIME 93 #define CLOCK_REALTIME_COARSE CLOCK_REALTIME_FAST 94 #define CLOCK_MONOTONIC_COARSE CLOCK_MONOTONIC_FAST 95 #endif 96 97 #if __BSD_VISIBLE 98 #define TIMER_RELTIME 0x0 /* relative timer */ 99 #endif 100 #if __POSIX_VISIBLE >= 199309 101 #define TIMER_ABSTIME 0x1 /* absolute timer */ 102 #endif /* __POSIX_VISIBLE >= 199309 */ 103 104 #endif /* _SYS_SYS__CLOCK_ID_H */ 105