diff -r 666f914201fb -r 2fe1408b6811 epoc32/include/stdapis/sys/time.h --- a/epoc32/include/stdapis/sys/time.h Tue Nov 24 13:55:44 2009 +0000 +++ b/epoc32/include/stdapis/sys/time.h Tue Mar 16 16:12:26 2010 +0000 @@ -1,1 +1,178 @@ -time.h +/*- + * Copyright (c) 1982, 1986, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * © Portions copyright (c) 2007 Symbian Software Ltd. All rights reserved. + * @(#)time.h 8.5 (Berkeley) 5/4/95 + * $FreeBSD: src/sys/sys/time.h,v 1.69 2005/04/02 12:33:27 das Exp $ + */ + +#ifndef _SYS_TIME_H_ +#define _SYS_TIME_H_ + +#include +#include +#include + +struct timezone { + int tz_minuteswest; /* minutes west of Greenwich */ + int tz_dsttime; /* type of dst correction */ +}; +#define DST_NONE 0 /* not on dst */ +#define DST_USA 1 /* USA style dst */ +#define DST_AUST 2 /* Australian style dst */ +#define DST_WET 3 /* Western European dst */ +#define DST_MET 4 /* Middle European dst */ +#define DST_EET 5 /* Eastern European dst */ +#define DST_CAN 6 /* Canada */ + +#if __BSD_VISIBLE +struct bintime { + time_t sec; + uint64_t frac; +}; + +static __inline void +bintime_addx(struct bintime *bt, uint64_t x) +{ + uint64_t u; + + u = bt->frac; + bt->frac += x; + if (u > bt->frac) + bt->sec++; +} + +static __inline void +bintime_add(struct bintime *bt, const struct bintime *bt2) +{ + uint64_t u; + + u = bt->frac; + bt->frac += bt2->frac; + if (u > bt->frac) + bt->sec++; + bt->sec += bt2->sec; +} + +static __inline void +bintime_sub(struct bintime *bt, const struct bintime *bt2) +{ + uint64_t u; + + u = bt->frac; + bt->frac -= bt2->frac; + if (u < bt->frac) + bt->sec--; + bt->sec -= bt2->sec; +} + +/*- + * Background information: + * + * When converting between timestamps on parallel timescales of differing + * resolutions it is historical and scientific practice to round down rather + * than doing 4/5 rounding. + * + * The date changes at midnight, not at noon. + * + * Even at 15:59:59.999999999 it's not four'o'clock. + * + * time_second ticks after N.999999999 not after N.4999999999 + */ + +static __inline void +bintime2timespec(const struct bintime *bt, struct timespec *ts) +{ + + ts->tv_sec = bt->sec; + ts->tv_nsec = ((uint64_t)1000000000 * (uint32_t)(bt->frac >> 32)) >> 32; +} + +static __inline void +timespec2bintime(const struct timespec *ts, struct bintime *bt) +{ + + bt->sec = ts->tv_sec; + /* 18446744073 = int(2^64 / 1000000000) */ + bt->frac = ts->tv_nsec * (uint64_t)18446744073LL; +} + +static __inline void +bintime2timeval(const struct bintime *bt, struct timeval *tv) +{ + + tv->tv_sec = bt->sec; + tv->tv_usec = ((uint64_t)1000000 * (uint32_t)(bt->frac >> 32)) >> 32; +} + +static __inline void +timeval2bintime(const struct timeval *tv, struct bintime *bt) +{ + + bt->sec = tv->tv_sec; + /* 18446744073709 = int(2^64 / 1000000) */ + bt->frac = tv->tv_usec * (uint64_t)18446744073709LL; +} +#endif /* __BSD_VISIBLE */ + +/* + * Names of the interval timers, and structure + * defining a timer setting. + */ +#define ITIMER_REAL 0 +#define ITIMER_VIRTUAL 1 +#define ITIMER_PROF 2 + +struct itimerval { + struct timeval it_interval; /* timer interval */ + struct timeval it_value; /* current value */ +}; + +/* + * Getkerninfo clock information structure + */ +struct clockinfo { + int hz; /* clock frequency */ + int tick; /* micro-seconds per hz tick */ + int spare; + int stathz; /* statistics clock frequency */ + int profhz; /* profiling clock frequency */ +}; + +#include + +#include + +__BEGIN_DECLS +IMPORT_C int adjtime(const struct timeval *, struct timeval *); +IMPORT_C int gettimeofday(struct timeval *, struct timezone *); +int settimeofday(const struct timeval *, const struct timezone *); +IMPORT_C int utimes(const char *, const struct timeval *); +__END_DECLS + + +#endif /* !_SYS_TIME_H_ */