X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/d7e50217d7adf6e52786a38bcaa4cd698cb9a79e..94ff46dc2849db4d43eaaf144872decc522aafb4:/bsd/sys/time.h diff --git a/bsd/sys/time.h b/bsd/sys/time.h index cc790bf23..7b55c8234 100644 --- a/bsd/sys/time.h +++ b/bsd/sys/time.h @@ -1,17 +1,20 @@ /* - * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * @APPLE_LICENSE_HEADER_START@ - * - * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. - * * 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. Please obtain a copy of the License at - * http://www.opensource.apple.com/apsl/ and read it before using this - * file. - * + * 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, @@ -19,8 +22,8 @@ * 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_LICENSE_HEADER_END@ + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ /* @@ -61,134 +64,192 @@ #ifndef _SYS_TIME_H_ #define _SYS_TIME_H_ -#include -#include +#include +#include +#ifdef KERNEL +#include /* user_time_t */ +#include /* uint64_t */ +#else /* !KERNEL */ +#include +#endif /* KERNEL */ /* - * Structure returned by gettimeofday(2) system call, - * and used in other calls. + * [XSI] The fd_set type shall be defined as described in . + * The timespec structure shall be defined as described in */ -struct timeval { - int32_t tv_sec; /* seconds */ - int32_t tv_usec; /* and microseconds */ -}; +#include +#include +#include + +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) +#include +#endif /* !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) */ + +#ifdef KERNEL +#include +#include +#include +#include +#include +#include +#include +#include +#endif /* KERNEL */ + +#include +#include /* - * Structure defined by POSIX.4 to be like a timeval. + * Structure used as a parameter by getitimer(2) and setitimer(2) system + * calls. */ -#ifndef _TIMESPEC_DECLARED -#define _TIMESPEC_DECLARED -struct timespec { - time_t tv_sec; /* seconds */ - int32_t tv_nsec; /* and nanoseconds */ +struct itimerval { + struct timeval it_interval; /* timer interval */ + struct timeval it_value; /* current value */ }; -#endif -#define TIMEVAL_TO_TIMESPEC(tv, ts) { \ - (ts)->tv_sec = (tv)->tv_sec; \ - (ts)->tv_nsec = (tv)->tv_usec * 1000; \ +/* + * 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 +#include +#include +#include +#include + +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) + +#include + +#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; \ +#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 */ + 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 */ - -#define time_second time.tv_sec +#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) : \ +#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; \ - } \ +#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; \ - } \ +#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) -/* - * 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 */ -}; +#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 */ + 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) */ -#include +#ifdef XNU_KERNEL_PRIVATE +#define SETTIME_ENTITLEMENT "com.apple.private.settime" +#endif #ifdef KERNEL -void microtime __P((struct timeval *tv)); -void microuptime __P((struct timeval *tv)); -#define getmicrotime(a) microtime(a) -#define getmicrouptime(a) microuptime(a) -void nanotime __P((struct timespec *ts)); -void nanouptime __P((struct timespec *ts)); -#define getnanotime(a) nanotime(a) -#define getnanouptime(a) nanouptime(a) -#ifdef __APPLE_API_PRIVATE -int itimerfix __P((struct timeval *tv)); -int itimerdecr __P((struct itimerval *itp, int usec)); -#endif /* __APPLE_API_PRIVATE */ + +#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 */ -#include -#ifndef _POSIX_SOURCE -#include +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) +#include +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ __BEGIN_DECLS -int adjtime __P((const struct timeval *, struct timeval *)); -int futimes __P((int, const struct timeval *)); -int getitimer __P((int, struct itimerval *)); -int gettimeofday __P((struct timeval *, struct timezone *)); -int setitimer __P((int, const struct itimerval *, struct itimerval *)); -int settimeofday __P((const struct timeval *, const struct timezone *)); -int utimes __P((const char *, const struct timeval *)); + +#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 /* select() prototype */ + +int setitimer(int, const struct itimerval * __restrict, + struct itimerval * __restrict); +int utimes(const char *, const struct timeval *); + __END_DECLS -#endif /* !POSIX */ #endif /* !KERNEL */