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