factor/basis/io/timeouts/timeouts.factor

32 lines
846 B
Factor

! Copyright (C) 2008 Slava Pestov, Doug Coleman
! See http://factorcode.org/license.txt for BSD license.
USING: accessors fry io io.encodings io.streams.null kernel
namespaces timers ;
IN: io.timeouts
GENERIC: timeout ( obj -- dt/f )
GENERIC: set-timeout ( dt/f obj -- )
M: decoder set-timeout stream>> set-timeout ;
M: encoder set-timeout stream>> set-timeout ;
GENERIC: cancel-operation ( obj -- )
: queue-timeout ( obj timeout -- timer )
[ '[ _ cancel-operation ] ] dip later ;
: with-timeout* ( obj timeout quot -- )
2over queue-timeout
[ nip call ] dip stop-timer ; inline
: with-timeout ( obj quot -- )
over timeout
[ [ dup timeout ] dip with-timeout* ] [ call ] if ; inline
: timeouts ( dt -- )
[ input-stream get set-timeout ]
[ output-stream get set-timeout ] bi ;
M: null-stream set-timeout 2drop ;