| /* |
| * 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 <sys/_locale.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 *); |
| |
| /* 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. */ |
| |
| /* Flag indicating time is "absolute" with respect to the clock |
| associated with a time. Value 4 is historic. */ |
| |
| #define TIMER_ABSTIME 4 |
| |
| /* Manifest Constants, P1003.1b-1993, p. 262 */ |
| |
| #if __GNU_VISIBLE |
| #define CLOCK_REALTIME_COARSE ((clockid_t) 0) |
| #endif |
| |
| #define CLOCK_REALTIME ((clockid_t) 1) |
| |
| /* 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) |
| |
| #endif |
| |
| #if __GNU_VISIBLE |
| |
| #define CLOCK_MONOTONIC_RAW ((clockid_t) 5) |
| |
| #define CLOCK_MONOTONIC_COARSE ((clockid_t) 6) |
| |
| #define CLOCK_BOOTTIME ((clockid_t) 7) |
| |
| #define CLOCK_REALTIME_ALARM ((clockid_t) 8) |
| |
| #define CLOCK_BOOTTIME_ALARM ((clockid_t) 9) |
| |
| #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_ */ |
| |