factor/basis/calendar/unix/unix.factor

45 lines
1.3 KiB
Factor

! Copyright (C) 2008 Doug Coleman.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors alien.data calendar calendar.private
classes.struct kernel math system libc unix unix.time unix.types ;
IN: calendar.unix
: timeval>seconds ( timeval -- seconds )
[ sec>> ] [ usec>> 1,000,000 / ] bi + ; inline
: timeval>micros ( timeval -- micros )
[ sec>> 1,000,000 * ] [ usec>> ] bi + ; inline
: timeval>duration ( timeval -- duration )
timeval>seconds seconds ; inline
: timeval>unix-time ( timeval -- timestamp )
[ unix-1970 ] dip timeval>seconds +second ; inline
: timespec>seconds ( timespec -- seconds )
[ sec>> ] [ nsec>> 1,000,000,000 / ] bi + ; inline
: timespec>duration ( timespec -- duration )
timespec>seconds seconds ; inline
: timespec>unix-time ( timespec -- timestamp )
[ unix-1970 ] dip timespec>seconds +second ; inline
: get-time ( -- alien )
f time time_t <ref> localtime ; inline
: timezone-name ( -- string )
get-time zone>> ;
M: unix gmt-offset ( -- hours minutes seconds )
get-time gmtoff>> 3600 /mod 60 /mod ;
: current-timeval ( -- timeval )
timeval <struct> [ f gettimeofday io-error ] keep ; inline
: system-micros ( -- n )
current-timeval timeval>micros ;
M: unix gmt
current-timeval timeval>unix-time ;