/* * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ /* * 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 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. * * @(#)time.h 8.2 (Berkeley) 7/10/94 */ #ifndef _SYS_TIME_H_ #define _SYS_TIME_H_ #include <sys/cdefs.h> #include <sys/_types.h> #ifdef KERNEL #include <machine/types.h> /* user_time_t */ #include <stdint.h> /* uint64_t */ #else /* !KERNEL */ #include <Availability.h> #endif /* KERNEL */ /* * [XSI] The fd_set type shall be defined as described in <sys/select.h>. * The timespec structure shall be defined as described in <time.h> */ #include <sys/_types/_fd_def.h> #include <sys/_types/_timespec.h> #include <sys/_types/_timeval.h> #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) #include <sys/_types/_timeval64.h> #endif /* !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) */ #ifdef KERNEL #include <sys/_types/_user_timespec.h> #include <sys/_types/_user32_timespec.h> #include <sys/_types/_user64_timespec.h> #include <sys/_types/_user_timeval.h> #include <sys/_types/_user32_timeval.h> #include <sys/_types/_user64_timeval.h> #include <sys/_types/_user32_itimerval.h> #include <sys/_types/_user64_itimerval.h> #endif /* KERNEL */ #include <sys/_types/_time_t.h> #include <sys/_types/_suseconds_t.h> /* * Structure used as a parameter by getitimer(2) and setitimer(2) system * calls. */ struct itimerval { struct timeval it_interval; /* timer interval */ struct timeval it_value; /* current value */ }; /* * Names of the interval timers, and structure * defining a timer setting. */ #define ITIMER_REAL 0 #define ITIMER_VIRTUAL 1 #define ITIMER_PROF 2 /* * Select uses bit masks of file descriptors in longs. These macros * manipulate such bit fields (the filesystem macros use chars). The * extra protection here is to permit application redefinition above * the default size. */ #include <sys/_types/_fd_setsize.h> #include <sys/_types/_fd_set.h> #include <sys/_types/_fd_clr.h> #include <sys/_types/_fd_isset.h> #include <sys/_types/_fd_zero.h> #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) #include <sys/_types/_fd_copy.h> #define TIMEVAL_TO_TIMESPEC(tv, ts) { \ (ts)->tv_sec = (tv)->tv_sec; \ (ts)->tv_nsec = (tv)->tv_usec * 1000; \ } #define TIMESPEC_TO_TIMEVAL(tv, ts) { \ (tv)->tv_sec = (ts)->tv_sec; \ (tv)->tv_usec = (ts)->tv_nsec / 1000; \ } 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 */ /* Operations on timevals. */ #define timerclear(tvp) (tvp)->tv_sec = (tvp)->tv_usec = 0 #define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec) #define timercmp(tvp, uvp, cmp) \ (((tvp)->tv_sec == (uvp)->tv_sec) ? \ ((tvp)->tv_usec cmp (uvp)->tv_usec) : \ ((tvp)->tv_sec cmp (uvp)->tv_sec)) #define timeradd(tvp, uvp, vvp) \ do { \ (vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \ (vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \ if ((vvp)->tv_usec >= 1000000) { \ (vvp)->tv_sec++; \ (vvp)->tv_usec -= 1000000; \ } \ } while (0) #define timersub(tvp, uvp, vvp) \ do { \ (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \ (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \ if ((vvp)->tv_usec < 0) { \ (vvp)->tv_sec--; \ (vvp)->tv_usec += 1000000; \ } \ } while (0) #define timevalcmp(l, r, cmp) timercmp(l, r, cmp) /* freebsd */ /* * Getkerninfo clock information structure */ struct clockinfo { int hz; /* clock frequency */ int tick; /* micro-seconds per hz tick */ int tickadj; /* clock skew rate for adjtime() */ int stathz; /* statistics clock frequency */ int profhz; /* profiling clock frequency */ }; #endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ #ifdef XNU_KERNEL_PRIVATE #define SETTIME_ENTITLEMENT "com.apple.private.settime" #endif #ifdef KERNEL #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) __BEGIN_DECLS void microtime(struct timeval *tv); void microtime_with_abstime(struct timeval *tv, uint64_t *abstime); void microuptime(struct timeval *tv); #define getmicrotime(a) microtime(a) #define getmicrouptime(a) microuptime(a) void nanotime(struct timespec *ts); void nanouptime(struct timespec *ts); #define getnanotime(a) nanotime(a) #define getnanouptime(a) nanouptime(a) void timevaladd(struct timeval *t1, struct timeval *t2); void timevalsub(struct timeval *t1, struct timeval *t2); void timevalfix(struct timeval *t1); #ifdef BSD_KERNEL_PRIVATE time_t boottime_sec(void); void boottime_timeval(struct timeval *tv); void inittodr(time_t base); int ratecheck(struct timeval *lasttime, const struct timeval *mininterval); int ppsratecheck(struct timeval *lasttime, int *curpps, int maxpps); #endif /* BSD_KERNEL_PRIVATE */ __END_DECLS #endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ #else /* !KERNEL */ #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) #include <time.h> #endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ __BEGIN_DECLS #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) int adjtime(const struct timeval *, struct timeval *); int futimes(int, const struct timeval *); int lutimes(const char *, const struct timeval *) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0); int settimeofday(const struct timeval *, const struct timezone *); #endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ int getitimer(int, struct itimerval *); int gettimeofday(struct timeval * __restrict, void * __restrict); #include <sys/_select.h> /* select() prototype */ int setitimer(int, const struct itimerval * __restrict, struct itimerval * __restrict); int utimes(const char *, const struct timeval *); __END_DECLS #endif /* !KERNEL */ #endif /* !_SYS_TIME_H_ */