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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 | /* * 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_ */ |