/include/time.h
C Header | 234 lines | 163 code | 27 blank | 44 comment | 10 complexity | e27212212b24eb45be20dab4231c9a8b MD5 | raw file
- /* $NetBSD: time.h,v 1.40 2010/12/16 18:36:47 christos Exp $ */
- /*
- * Copyright (c) 1989, 1993
- * The Regents of the University of California. All rights reserved.
- * (c) UNIX System Laboratories, Inc.
- * All or some portions of this file are derived from material licensed
- * to the University of California by American Telephone and Telegraph
- * Co. or Unix System Laboratories, Inc. and are reproduced herein with
- * the permission of UNIX System Laboratories, Inc.
- *
- * 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. 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 8.3 (Berkeley) 1/21/94
- */
- #ifndef _TIME_H_
- #define _TIME_H_
- #include <sys/cdefs.h>
- #include <sys/featuretest.h>
- #include <machine/ansi.h>
- #include <sys/null.h>
- #ifdef _BSD_CLOCK_T_
- typedef _BSD_CLOCK_T_ clock_t;
- #undef _BSD_CLOCK_T_
- #endif
- #ifdef _BSD_TIME_T_
- typedef _BSD_TIME_T_ time_t;
- #undef _BSD_TIME_T_
- #endif
- #ifdef _BSD_SIZE_T_
- typedef _BSD_SIZE_T_ size_t;
- #undef _BSD_SIZE_T_
- #endif
- #ifdef _BSD_CLOCKID_T_
- typedef _BSD_CLOCKID_T_ clockid_t;
- #undef _BSD_CLOCKID_T_
- #endif
- #ifndef __minix
- #ifdef _BSD_TIMER_T_
- typedef _BSD_TIMER_T_ timer_t;
- #undef _BSD_TIMER_T_
- #endif
- #endif /* !__minix */
- #ifdef __minix
- #define CLOCKS_PER_SEC 60
- #else
- #define CLOCKS_PER_SEC 100
- #endif
- struct tm {
- int tm_sec; /* seconds after the minute [0-61] */
- int tm_min; /* minutes after the hour [0-59] */
- int tm_hour; /* hours since midnight [0-23] */
- int tm_mday; /* day of the month [1-31] */
- int tm_mon; /* months since January [0-11] */
- int tm_year; /* years since 1900 */
- int tm_wday; /* days since Sunday [0-6] */
- int tm_yday; /* days since January 1 [0-365] */
- int tm_isdst; /* Daylight Savings Time flag */
- long tm_gmtoff; /* offset from UTC in seconds */
- __aconst char *tm_zone; /* timezone abbreviation */
- };
- __BEGIN_DECLS
- char *asctime(const struct tm *);
- clock_t clock(void);
- #ifndef __LIBC12_SOURCE__
- char *ctime(const time_t *) __RENAME(__ctime50);
- double difftime(time_t, time_t) __RENAME(__difftime50);
- struct tm *gmtime(const time_t *) __RENAME(__gmtime50);
- #ifndef __MINIX
- struct tm *localtime(const time_t *) __RENAME(__locatime50);
- #else
- struct tm *localtime(const time_t *) __RENAME(__localtime50);
- #endif
- time_t time(time_t *) __RENAME(__time50);
- time_t mktime(struct tm *) __RENAME(__mktime50);
- #endif
- size_t strftime(char * __restrict, size_t, const char * __restrict,
- const struct tm * __restrict)
- __attribute__((__format__(__strftime__, 3, 0)));
- #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
- defined(_NETBSD_SOURCE)
- #ifndef __LIBC12_SOURCE__
- /*
- * CLK_TCK uses libc's internal __sysconf() to retrieve the machine's
- * HZ. The value of _SC_CLK_TCK is 39 -- we hard code it so we do not
- * need to include unistd.h
- */
- long __sysconf(int);
- #ifdef __minix
- #define CLK_TCK (__sysconf(3))
- #else
- #define CLK_TCK (__sysconf(39))
- #endif /* !__minix */
- #endif
- #endif
- extern __aconst char *tzname[2];
- #ifndef __LIBC12_SOURCE__
- void tzset(void) __RENAME(__tzset50);
- #endif
- /*
- * X/Open Portability Guide >= Issue 4
- */
- #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
- extern int daylight;
- #ifndef __LIBC12_SOURCE__
- extern long int timezone __RENAME(__timezone13);
- #endif
- char *strptime(const char * __restrict, const char * __restrict,
- struct tm * __restrict);
- #endif
- #if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
- defined(_NETBSD_SOURCE)
- struct tm *getdate(const char *);
- extern int getdate_err;
- #endif
- #if (_POSIX_C_SOURCE - 0) >= 199309L || (_XOPEN_SOURCE - 0) >= 500 || \
- defined(_NETBSD_SOURCE)
- #include <sys/time.h> /* XXX for struct timespec */
- struct sigevent;
- struct itimerspec;
- #ifndef __LIBC12_SOURCE__
- #ifndef __minix
- int clock_getres(clockid_t, struct timespec *)
- __RENAME(__clock_getres50);
- int clock_gettime(clockid_t, struct timespec *)
- __RENAME(__clock_gettime50);
- int clock_settime(clockid_t, const struct timespec *)
- __RENAME(__clock_settime50);
- #endif /* !__minix */
- int nanosleep(const struct timespec *, struct timespec *)
- __RENAME(__nanosleep50);
- #ifndef __minix
- int timer_gettime(timer_t, struct itimerspec *) __RENAME(__timer_gettime50);
- int timer_settime(timer_t, int, const struct itimerspec * __restrict,
- struct itimerspec * __restrict) __RENAME(__timer_settime50);
- #endif /* !__minix */
- #endif
- #ifndef __minix
- int timer_create(clockid_t, struct sigevent * __restrict,
- timer_t * __restrict);
- int timer_delete(timer_t);
- int timer_getoverrun(timer_t);
- #endif /* __minix */
- #endif /* _POSIX_C_SOURCE >= 199309 || _XOPEN_SOURCE >= 500 || ... */
- #if (_POSIX_C_SOURCE - 0) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \
- defined(_REENTRANT) || defined(_NETBSD_SOURCE)
- char *asctime_r(const struct tm * __restrict, char * __restrict);
- #ifndef __LIBC12_SOURCE__
- char *ctime_r(const time_t *, char *) __RENAME(__ctime_r50);
- struct tm *gmtime_r(const time_t * __restrict, struct tm * __restrict)
- __RENAME(__gmtime_r50);
- struct tm *localtime_r(const time_t * __restrict, struct tm * __restrict)
- __RENAME(__localtime_r50);
- #endif
- #endif
- #if defined(_NETBSD_SOURCE)
- typedef struct __state *timezone_t;
- #ifndef __LIBC12_SOURCE__
- time_t time2posix(time_t) __RENAME(__time2posix50);
- time_t posix2time(time_t) __RENAME(__posix2time50);
- time_t timegm(struct tm *) __RENAME(__timegm50);
- time_t timeoff(struct tm *, long) __RENAME(__timeoff50);
- time_t timelocal(struct tm *) __RENAME(__timelocal50);
- struct tm *offtime(const time_t *, long) __RENAME(__offtime50);
- void tzsetwall(void) __RENAME(__tzsetwall50);
- struct tm *offtime_r(const time_t *, long, struct tm *) __RENAME(__offtime_r50);
- struct tm *localtime_rz(const timezone_t, const time_t * __restrict,
- struct tm * __restrict) __RENAME(__localtime_rz50);
- char *ctime_rz(const timezone_t, const time_t *, char *) __RENAME(__ctime_rz50);
- time_t mktime_z(const timezone_t, struct tm *) __RENAME(__mktime_z50);
- time_t timelocal_z(const timezone_t, struct tm *) __RENAME(__timelocal_z50);
- time_t time2posix_z(const timezone_t, time_t) __RENAME(__time2posix_z50);
- time_t posix2time_z(const timezone_t, time_t) __RENAME(__posix2time_z50);
- timezone_t tzalloc(const char *) __RENAME(__tzalloc50);
- void tzfree(const timezone_t) __RENAME(__tzfree50);
- const char *tzgetname(const timezone_t, int) __RENAME(__tzgetname50);
- #endif
- size_t strftime_z(const timezone_t, char * __restrict, size_t,
- const char * __restrict, const struct tm * __restrict)
- __attribute__((__format__(__strftime__, 4, 0)));
- #endif /* _NETBSD_SOURCE */
- #ifdef _MINIX
- int stime(time_t *_top);
- #endif /* _MINIX */
- __END_DECLS
- #endif /* !_TIME_H_ */