Home | History | Annotate | Download | only in current
      1 /*
      2  * Copyright (C) 2008 The Android Open Source Project
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  *  * Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  *  * Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in
     12  *    the documentation and/or other materials provided with the
     13  *    distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     16  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     17  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
     18  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
     19  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
     22  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
     25  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 #ifndef _TIME_H_
     30 #define _TIME_H_
     31 
     32 #include <sys/cdefs.h>
     33 #include <sys/time.h>
     34 #include <xlocale.h>
     35 
     36 __BEGIN_DECLS
     37 
     38 #define CLOCKS_PER_SEC 1000000
     39 
     40 extern char* tzname[];
     41 extern int daylight;
     42 extern long int timezone;
     43 
     44 struct sigevent;
     45 
     46 struct tm {
     47   int tm_sec;
     48   int tm_min;
     49   int tm_hour;
     50   int tm_mday;
     51   int tm_mon;
     52   int tm_year;
     53   int tm_wday;
     54   int tm_yday;
     55   int tm_isdst;
     56   long int tm_gmtoff;
     57   const char* tm_zone;
     58 };
     59 
     60 #define TM_ZONE tm_zone
     61 
     62 time_t time(time_t*);
     63 int nanosleep(const struct timespec*, struct timespec*);
     64 
     65 char* asctime(const struct tm*);
     66 char* asctime_r(const struct tm*, char*);
     67 
     68 double difftime(time_t, time_t);
     69 time_t mktime(struct tm*);
     70 
     71 struct tm* localtime(const time_t*);
     72 struct tm* localtime_r(const time_t*, struct tm*);
     73 
     74 struct tm* gmtime(const time_t*);
     75 struct tm* gmtime_r(const time_t*, struct tm*);
     76 
     77 char* strptime(const char*, const char*, struct tm*);
     78 size_t strftime(char*, size_t, const char*, const struct tm*);
     79 
     80 #if __ANDROID_API__ >= __ANDROID_API_L__
     81 size_t strftime_l(char*, size_t, const char*, const struct tm*, locale_t) __INTRODUCED_IN(21);
     82 #else
     83 // Implemented as static inline before 21.
     84 #endif
     85 
     86 char* ctime(const time_t*);
     87 char* ctime_r(const time_t*, char*);
     88 
     89 void tzset(void);
     90 
     91 clock_t clock(void);
     92 
     93 int clock_getcpuclockid(pid_t, clockid_t*) __INTRODUCED_IN(23);
     94 
     95 int clock_getres(clockid_t, struct timespec*);
     96 int clock_gettime(clockid_t, struct timespec*);
     97 int clock_nanosleep(clockid_t, int, const struct timespec*, struct timespec*);
     98 int clock_settime(clockid_t, const struct timespec*);
     99 
    100 int timer_create(int, struct sigevent*, timer_t*);
    101 int timer_delete(timer_t);
    102 int timer_settime(timer_t, int, const struct itimerspec*, struct itimerspec*);
    103 int timer_gettime(timer_t, struct itimerspec*);
    104 int timer_getoverrun(timer_t);
    105 
    106 /* Non-standard extensions that are in the BSDs and glibc. */
    107 time_t timelocal(struct tm*) __INTRODUCED_IN(12);
    108 time_t timegm(struct tm*) __INTRODUCED_IN(12);
    109 
    110 __END_DECLS
    111 
    112 #endif /* _TIME_H_ */
    113