Module posix.time
Time and Clock Functions.
Functions
| clock_getres (clk) | Find the precision of a clock. | 
| clock_gettime (clk) | Read a clock. | 
| gmtime (t) | Convert epoch time value to a broken-down UTC time. | 
| localtime (t) | Convert epoch time value to a broken-down local time. | 
| mktime (broken) | Convert a broken-down localtime table into an epoch time. | 
| nanosleep (requested) | Sleep with nanosecond precision. | 
| strftime (format, tm) | Write a time out according to a format. | 
| strptime (s, format) | Parse a date string. | 
| time () | Get current time. | 
Tables
| PosixTimespec | Timespec record. | 
| PosixTm | Datetime record. | 
Functions
- clock_getres (clk)
- 
    Find the precision of a clock.
    Parameters:- clk
            int
         name of clock, one of CLOCK_REALTIME,CLOCK_PROCESS_CPUTIME_ID,CLOCK_MONOTONICorCLOCK_THREAD_CPUTIME_ID
 Returns:- 
           PosixTimespec
        resolution of clk, if successful
    
 Or- nil
- string error message
- int errnum
 See also:
- clk
            int
         name of clock, one of 
- clock_gettime (clk)
- 
    Read a clock.
    Parameters:- clk
            int
         name of clock, one of CLOCK_REALTIME,CLOCK_PROCESS_CPUTIME_ID,CLOCK_MONOTONICorCLOCK_THREAD_CPUTIME_ID
 Returns:- 
           PosixTimespec
        current value of clk, if successful
    
 Or- nil
- string error message
- int errnum
 See also:
- clk
            int
         name of clock, one of 
- gmtime (t)
- 
    Convert epoch time value to a broken-down UTC time.
    Parameters:- t int seconds since epoch
 Returns:- 
           PosixTm
        broken-down time
    
 See also:
- localtime (t)
- 
    Convert epoch time value to a broken-down local time.
    Parameters:- t int seconds since epoch
 Returns:- 
           PosixTm
        broken-down time
    
 See also:
- mktime (broken)
- 
    Convert a broken-down localtime table into an epoch time.
    Parameters:- broken PosixTm -down localtime
 Returns:- 
           int
        seconds since epoch
    
 See also:
- nanosleep (requested)
- 
    Sleep with nanosecond precision.
    Parameters:- requested PosixTimespec sleep time
 Returns:- 
           int
        
 0if requested time has elapsedOr- nil
- string error message
- int errnum
- PosixTimespec unslept time remaining, if interrupted
 See also:
- strftime (format, tm)
- 
    Write a time out according to a format.
    Parameters:Returns:- 
           string
        format with place-holders plugged with tm values
    
 See also:
- strptime (s, format)
- 
    Parse a date string.
    Parameters:Returns:- PosixTm broken-down local time
- int next index of first character not parsed as part of the date
 Or- 
        nil
    
 See also:Usage:posix.strptime('20','%d').monthday == 20 
- time ()
- 
    Get current time.
    Returns:- 
        time in seconds since epoch
    
 See also:
Tables
- PosixTimespec
- 
    Timespec record.
    Fields:- tv_sec int seconds
- tv_nsec int nanoseconds
 See also:
- PosixTm
- 
    Datetime record.
    Fields:- tm_sec int second [0,60]
- tm_min int minute [0,59]
- tm_hour int hour [0,23]
- tm_mday int day of month [1, 31]
- tm_mon int month of year [0,11]
- tm_year int years since 1900
- tm_wday int day of week [0=Sunday,6]
- tm_yday int day of year [0,365[
- tm_isdst int 0 if daylight savings time is not in effect