| 1 | /*- |
| 2 | * SPDX-License-Identifier: BSD-3-Clause |
| 3 | * |
| 4 | * Copyright (c) 1982, 1986, 1993 |
| 5 | *	The Regents of the University of California. All rights reserved. |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions |
| 9 | * are met: |
| 10 | * 1. Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * 2. Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. |
| 15 | * 3. Neither the name of the University nor the names of its contributors |
| 16 | * may be used to endorse or promote products derived from this software |
| 17 | * without specific prior written permission. |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 25 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 28 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 29 | * SUCH DAMAGE. |
| 30 | */ |
| 31 | |
| 32 | #ifndef _SYS_TIMESPEC_H_ |
| 33 | #define _SYS_TIMESPEC_H_ |
| 34 | |
| 35 | #include <sys/cdefs.h> |
| 36 | #include <sys/_timespec.h> |
| 37 | |
| 38 | #if __BSD_VISIBLE |
| 39 | #define	TIMEVAL_TO_TIMESPEC(tv, ts)					\ |
| 40 | 	do {								\ |
| 41 | 		(ts)->tv_sec = (tv)->tv_sec;				\ |
| 42 | 		(ts)->tv_nsec = (tv)->tv_usec * 1000;			\ |
| 43 | 	} while (0) |
| 44 | #define	TIMESPEC_TO_TIMEVAL(tv, ts)					\ |
| 45 | 	do {								\ |
| 46 | 		(tv)->tv_sec = (ts)->tv_sec;				\ |
| 47 | 		(tv)->tv_usec = (ts)->tv_nsec / 1000;			\ |
| 48 | 	} while (0) |
| 49 | |
| 50 | #endif /* __BSD_VISIBLE */ |
| 51 | |
| 52 | /* |
| 53 | * Structure defined by POSIX.1b to be like a itimerval, but with |
| 54 | * timespecs. Used in the timer_*() system calls. |
| 55 | */ |
| 56 | struct itimerspec { |
| 57 | 	struct timespec it_interval; |
| 58 | 	struct timespec it_value; |
| 59 | }; |
| 60 | |
| 61 | #endif /* _SYS_TIMESPEC_H_ */ |