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[] __LIBC_ABI_PUBLIC__;
41 extern int daylight __LIBC_ABI_PUBLIC__;
42 extern long int timezone __LIBC_ABI_PUBLIC__;
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 extern time_t time(time_t*) __LIBC_ABI_PUBLIC__;
63 extern int nanosleep(const struct timespec*, struct timespec*) __LIBC_ABI_PUBLIC__;
64 
65 extern char* asctime(const struct tm*) __LIBC_ABI_PUBLIC__;
66 extern char* asctime_r(const struct tm*, char*) __LIBC_ABI_PUBLIC__;
67 
68 extern double difftime(time_t, time_t) __LIBC_ABI_PUBLIC__;
69 extern time_t mktime(struct tm*) __LIBC_ABI_PUBLIC__;
70 
71 extern struct tm* localtime(const time_t*) __LIBC_ABI_PUBLIC__;
72 extern struct tm* localtime_r(const time_t*, struct tm*) __LIBC_ABI_PUBLIC__;
73 
74 extern struct tm* gmtime(const time_t*) __LIBC_ABI_PUBLIC__;
75 extern struct tm* gmtime_r(const time_t*, struct tm*) __LIBC_ABI_PUBLIC__;
76 
77 extern char* strptime(const char*, const char*, struct tm*) __LIBC_ABI_PUBLIC__;
78 extern size_t strftime(char*, size_t, const char*, const struct tm*) __LIBC_ABI_PUBLIC__;
79 extern size_t strftime_l(char *, size_t, const char *, const struct tm *, locale_t) __LIBC_ABI_PUBLIC__;
80 
81 extern char* ctime(const time_t*) __LIBC_ABI_PUBLIC__;
82 extern char* ctime_r(const time_t*, char*) __LIBC_ABI_PUBLIC__;
83 
84 extern void tzset(void) __LIBC_ABI_PUBLIC__;
85 
86 extern clock_t clock(void) __LIBC_ABI_PUBLIC__;
87 
88 extern int clock_getres(int, struct timespec*) __LIBC_ABI_PUBLIC__;
89 extern int clock_gettime(int, struct timespec*) __LIBC_ABI_PUBLIC__;
90 
91 extern int timer_create(int, struct sigevent*, timer_t*) __LIBC_ABI_PUBLIC__;
92 extern int timer_delete(timer_t) __LIBC_ABI_PUBLIC__;
93 extern int timer_settime(timer_t, int, const struct itimerspec*, struct itimerspec*) __LIBC_ABI_PUBLIC__;
94 extern int timer_gettime(timer_t, struct itimerspec*) __LIBC_ABI_PUBLIC__;
95 extern int timer_getoverrun(timer_t) __LIBC_ABI_PUBLIC__;
96 
97 /* Non-standard extensions that are in the BSDs and glibc. */
98 extern time_t timelocal(struct tm*) __LIBC_ABI_PUBLIC__;
99 extern time_t timegm(struct tm*) __LIBC_ABI_PUBLIC__;
100 
101 __END_DECLS
102 
103 #endif /* _TIME_H_ */
104