123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329 |
- /*
- * time.h
- *
- * Struct and function declarations for dealing with time.
- */
- #ifndef _TIME_H_
- #define _TIME_H_
- #include "_ansi.h"
- #include <sys/cdefs.h>
- #include <sys/reent.h>
- #define __need_size_t
- #define __need_NULL
- #include <stddef.h>
- /* Get _CLOCKS_PER_SEC_ */
- #include <machine/time.h>
- #ifndef _CLOCKS_PER_SEC_
- #define _CLOCKS_PER_SEC_ 1000
- #endif
- #define CLOCKS_PER_SEC _CLOCKS_PER_SEC_
- #define CLK_TCK CLOCKS_PER_SEC
- #include <sys/types.h>
- #include <sys/timespec.h>
- #if __POSIX_VISIBLE >= 200809
- #include <xlocale.h>
- #endif
- _BEGIN_STD_C
- struct tm
- {
- int tm_sec;
- int tm_min;
- int tm_hour;
- int tm_mday;
- int tm_mon;
- int tm_year;
- int tm_wday;
- int tm_yday;
- int tm_isdst;
- #ifdef __TM_GMTOFF
- long __TM_GMTOFF;
- #endif
- #ifdef __TM_ZONE
- const char *__TM_ZONE;
- #endif
- };
- clock_t clock (void);
- double difftime (time_t _time2, time_t _time1);
- time_t mktime (struct tm *_timeptr);
- time_t time (time_t *_timer);
- #ifndef _REENT_ONLY
- char *asctime (const struct tm *_tblock);
- char *ctime (const time_t *_time);
- struct tm *gmtime (const time_t *_timer);
- struct tm *localtime (const time_t *_timer);
- #endif
- size_t strftime (char *__restrict _s,
- size_t _maxsize, const char *__restrict _fmt,
- const struct tm *__restrict _t);
- #if __POSIX_VISIBLE >= 200809
- extern size_t strftime_l (char *__restrict _s, size_t _maxsize,
- const char *__restrict _fmt,
- const struct tm *__restrict _t, locale_t _l);
- #endif
- char *asctime_r (const struct tm *__restrict,
- char *__restrict);
- char *ctime_r (const time_t *, char *);
- struct tm *gmtime_r (const time_t *__restrict,
- struct tm *__restrict);
- struct tm *localtime_r (const time_t *__restrict,
- struct tm *__restrict);
- _END_STD_C
- #ifdef __cplusplus
- extern "C" {
- #endif
- #if __XSI_VISIBLE
- char *strptime (const char *__restrict,
- const char *__restrict,
- struct tm *__restrict);
- #endif
- #if __GNU_VISIBLE
- char *strptime_l (const char *__restrict, const char *__restrict,
- struct tm *__restrict, locale_t);
- #endif
- #if __POSIX_VISIBLE
- void tzset (void);
- #endif
- void _tzset_r (struct _reent *);
- typedef struct __tzrule_struct
- {
- char ch;
- int m;
- int n;
- int d;
- int s;
- time_t change;
- long offset; /* Match type of _timezone. */
- } __tzrule_type;
- typedef struct __tzinfo_struct
- {
- int __tznorth;
- int __tzyear;
- __tzrule_type __tzrule[2];
- } __tzinfo_type;
- __tzinfo_type *__gettzinfo (void);
- /* getdate functions */
- #ifdef HAVE_GETDATE
- #if __XSI_VISIBLE >= 4
- #ifndef _REENT_ONLY
- #define getdate_err (*__getdate_err())
- int *__getdate_err (void);
- struct tm * getdate (const char *);
- /* getdate_err is set to one of the following values to indicate the error.
- 1 the DATEMSK environment variable is null or undefined,
- 2 the template file cannot be opened for reading,
- 3 failed to get file status information,
- 4 the template file is not a regular file,
- 5 an error is encountered while reading the template file,
- 6 memory allication failed (not enough memory available),
- 7 there is no line in the template that matches the input,
- 8 invalid input specification */
- #endif /* !_REENT_ONLY */
- #endif /* __XSI_VISIBLE >= 4 */
- #if __GNU_VISIBLE
- /* getdate_r returns the error code as above */
- int getdate_r (const char *, struct tm *);
- #endif /* __GNU_VISIBLE */
- #endif /* HAVE_GETDATE */
- /* defines for the opengroup specifications Derived from Issue 1 of the SVID. */
- #if __SVID_VISIBLE || __XSI_VISIBLE
- extern __IMPORT long _timezone;
- extern __IMPORT int _daylight;
- #endif
- #if __POSIX_VISIBLE
- extern __IMPORT char *_tzname[2];
- /* POSIX defines the external tzname being defined in time.h */
- #ifndef tzname
- #define tzname _tzname
- #endif
- #endif /* __POSIX_VISIBLE */
- #ifdef __cplusplus
- }
- #endif
- #include <sys/features.h>
- #ifdef __CYGWIN__
- #include <cygwin/time.h>
- #endif /*__CYGWIN__*/
- #if defined(_POSIX_TIMERS)
- #include <signal.h>
- #ifdef __cplusplus
- extern "C" {
- #endif
- /* Clocks, P1003.1b-1993, p. 263 */
- int clock_settime (clockid_t clock_id, const struct timespec *tp);
- int clock_gettime (clockid_t clock_id, struct timespec *tp);
- int clock_getres (clockid_t clock_id, struct timespec *res);
- /* Create a Per-Process Timer, P1003.1b-1993, p. 264 */
- int timer_create (clockid_t clock_id,
- struct sigevent *__restrict evp,
- timer_t *__restrict timerid);
- /* Delete a Per_process Timer, P1003.1b-1993, p. 266 */
- int timer_delete (timer_t timerid);
- /* Per-Process Timers, P1003.1b-1993, p. 267 */
- int timer_settime (timer_t timerid, int flags,
- const struct itimerspec *__restrict value,
- struct itimerspec *__restrict ovalue);
- int timer_gettime (timer_t timerid, struct itimerspec *value);
- int timer_getoverrun (timer_t timerid);
- /* High Resolution Sleep, P1003.1b-1993, p. 269 */
- int nanosleep (const struct timespec *rqtp, struct timespec *rmtp);
- #ifdef __cplusplus
- }
- #endif
- #endif /* _POSIX_TIMERS */
- #if defined(_POSIX_CLOCK_SELECTION)
- #ifdef __cplusplus
- extern "C" {
- #endif
- int clock_nanosleep (clockid_t clock_id, int flags,
- const struct timespec *rqtp, struct timespec *rmtp);
- #ifdef __cplusplus
- }
- #endif
- #endif /* _POSIX_CLOCK_SELECTION */
- #ifdef __cplusplus
- extern "C" {
- #endif
- /* CPU-time Clock Attributes, P1003.4b/D8, p. 54 */
- /* values for the clock enable attribute */
- #define CLOCK_ENABLED 1 /* clock is enabled, i.e. counting execution time */
- #define CLOCK_DISABLED 0 /* clock is disabled */
- /* values for the pthread cputime_clock_allowed attribute */
- #define CLOCK_ALLOWED 1 /* If a thread is created with this value a */
- /* CPU-time clock attached to that thread */
- /* shall be accessible. */
- #define CLOCK_DISALLOWED 0 /* If a thread is created with this value, the */
- /* thread shall not have a CPU-time clock */
- /* accessible. */
- /* Manifest Constants, P1003.1b-1993, p. 262 */
- #if __GNU_VISIBLE
- #define CLOCK_REALTIME_COARSE ((clockid_t) 0)
- #endif
- #define CLOCK_REALTIME ((clockid_t) 1)
- /* Flag indicating time is "absolute" with respect to the clock
- associated with a time. */
- #define TIMER_ABSTIME 4
- /* Manifest Constants, P1003.4b/D8, p. 55 */
- #if defined(_POSIX_CPUTIME)
- /* When used in a clock or timer function call, this is interpreted as
- the identifier of the CPU_time clock associated with the PROCESS
- making the function call. */
- #define CLOCK_PROCESS_CPUTIME_ID ((clockid_t) 2)
- #endif
- #if defined(_POSIX_THREAD_CPUTIME)
- /* When used in a clock or timer function call, this is interpreted as
- the identifier of the CPU_time clock associated with the THREAD
- making the function call. */
- #define CLOCK_THREAD_CPUTIME_ID ((clockid_t) 3)
- #endif
- #if defined(_POSIX_MONOTONIC_CLOCK)
- /* The identifier for the system-wide monotonic clock, which is defined
- * as a clock whose value cannot be set via clock_settime() and which
- * cannot have backward clock jumps. */
- #define CLOCK_MONOTONIC ((clockid_t) 4)
- #if __GNU_VISIBLE
- #define CLOCK_MONOTONIC_RAW ((clockid_t) 5)
- #define CLOCK_MONOTONIC_COARSE ((clockid_t) 6)
- #define CLOCK_BOOTTIME ((clockid_t) 7)
- #endif
- #endif
- #if defined(_POSIX_CPUTIME)
- /* Accessing a Process CPU-time CLock, P1003.4b/D8, p. 55 */
- int clock_getcpuclockid (pid_t pid, clockid_t *clock_id);
- #endif /* _POSIX_CPUTIME */
- #if defined(_POSIX_CPUTIME) || defined(_POSIX_THREAD_CPUTIME)
- /* CPU-time Clock Attribute Access, P1003.4b/D8, p. 56 */
- int clock_setenable_attr (clockid_t clock_id, int attr);
- int clock_getenable_attr (clockid_t clock_id, int *attr);
- #endif /* _POSIX_CPUTIME or _POSIX_THREAD_CPUTIME */
- #ifdef __cplusplus
- }
- #endif
- #endif /* _TIME_H_ */
|