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      1 /*	$NetBSD: time_types.h,v 1.6 2021/09/07 11:43:05 riastradh Exp $	*/
      2 
      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  *	@(#)time.h	8.5 (Berkeley) 5/4/95
     32  */
     33 
     34 #ifndef _COMPAT_SYS_TIME_TYPES_H_
     35 #define	_COMPAT_SYS_TIME_TYPES_H_
     36 
     37 #ifdef _KERNEL
     38 #include <lib/libkern/libkern.h>
     39 #else
     40 #include <stddef.h>
     41 #include <string.h>
     42 #endif
     43 
     44 /*
     45  * Structure returned by gettimeofday(2) system call,
     46  * and used in other calls.
     47  */
     48 struct timeval50 {
     49 	long	tv_sec;		/* seconds */
     50 	long	tv_usec;	/* and microseconds */
     51 };
     52 
     53 struct	itimerval50 {
     54 	struct	timeval50 it_interval;	/* timer interval */
     55 	struct	timeval50 it_value;	/* current value */
     56 };
     57 
     58 /*
     59  * Structure defined by POSIX.1b to be like a timeval.
     60  */
     61 struct timespec50 {
     62 	int32_t	tv_sec;		/* seconds */
     63 	long	tv_nsec;	/* and nanoseconds */
     64 };
     65 
     66 /*
     67  * Structure defined by POSIX.1b to be like a itimerval, but with
     68  * timespecs. Used in the timer_*() system calls.
     69  */
     70 struct	itimerspec50 {
     71 	struct	timespec50 it_interval;
     72 	struct	timespec50 it_value;
     73 };
     74 
     75 static __inline void
     76 timeval50_to_timeval(const struct timeval50 *ts50, struct timeval *ts)
     77 {
     78 	memset(ts, 0, sizeof(*ts));
     79 	ts->tv_sec = ts50->tv_sec;
     80 	ts->tv_usec = (suseconds_t)ts50->tv_usec;
     81 }
     82 
     83 static __inline void
     84 timeval_to_timeval50(const struct timeval *ts, struct timeval50 *ts50)
     85 {
     86 	memset(ts50, 0, sizeof(*ts50));
     87 	ts50->tv_sec = (long)ts->tv_sec;
     88 	ts50->tv_usec = ts->tv_usec;
     89 }
     90 
     91 static __inline void
     92 timespec50_to_timespec(const struct timespec50 *ts50, struct timespec *ts)
     93 {
     94 	memset(ts, 0, sizeof(*ts));
     95 	ts->tv_sec = ts50->tv_sec;
     96 	ts->tv_nsec = ts50->tv_nsec;
     97 }
     98 
     99 static __inline void
    100 timespec_to_timespec50(const struct timespec *ts, struct timespec50 *ts50)
    101 {
    102 	memset(ts50, 0, sizeof(*ts50));
    103 	ts50->tv_sec = (int32_t)ts->tv_sec;
    104 	ts50->tv_nsec = ts->tv_nsec;
    105 }
    106 
    107 static __inline void
    108 itimerval50_to_itimerval(const struct itimerval50 *ts50, struct itimerval *ts)
    109 {
    110 	memset(ts, 0, sizeof(*ts));
    111 	timeval50_to_timeval(&ts50->it_interval, &ts->it_interval);
    112 	timeval50_to_timeval(&ts50->it_value, &ts->it_value);
    113 }
    114 
    115 static __inline void
    116 itimerval_to_itimerval50(const struct itimerval *ts, struct itimerval50 *ts50)
    117 {
    118 	memset(ts50, 0, sizeof(*ts50));
    119 	timeval_to_timeval50(&ts->it_interval, &ts50->it_interval);
    120 	timeval_to_timeval50(&ts->it_value, &ts50->it_value);
    121 }
    122 
    123 static __inline void
    124 itimerspec50_to_itimerspec(const struct itimerspec50 *ts50,
    125     struct itimerspec *ts)
    126 {
    127 	memset(ts, 0, sizeof(*ts));
    128 	timespec50_to_timespec(&ts50->it_interval, &ts->it_interval);
    129 	timespec50_to_timespec(&ts50->it_value, &ts->it_value);
    130 }
    131 
    132 static __inline void
    133 itimerspec_to_itimerspec50(const struct itimerspec *ts,
    134     struct itimerspec50 *ts50)
    135 {
    136 	memset(ts50, 0, sizeof(*ts50));
    137 	timespec_to_timespec50(&ts->it_interval, &ts50->it_interval);
    138 	timespec_to_timespec50(&ts->it_value, &ts50->it_value);
    139 }
    140 
    141 #endif /* _COMPAT_SYS_TIME_TYPES_H_ */
    142