factor/basis/ui/backend/gtk/io/unix/unix.factor

52 lines
1.3 KiB
Factor

! Copyright (C) 2011 Anton Gorenko.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors alien.c-types classes.struct continuations
glib.ffi io.backend.unix.multiplexers io.thread kernel libc
literals locals namespaces system threads ui.backend.gtk.io ;
IN: ui.backend.gtk.io.unix
: prepare ( source timeout -- ? )
2drop f ;
: check ( source -- ? )
poll_fds>> 0 g_slist_nth_data GPollFD memory>struct
revents>> 0 = not ;
: dispatch ( source callback user-data -- ? )
3drop
0 mx get-global wait-for-events
yield t ;
: <funcs> ( -- funcs )
GSourceFuncs malloc-struct
[ prepare ] GSourceFuncsPrepareFunc >>prepare
[ check ] GSourceFuncsCheckFunc >>check
[ dispatch ] GSourceFuncsDispatchFunc >>dispatch ;
CONSTANT: poll-fd-events
flags{
G_IO_IN
G_IO_OUT
G_IO_PRI
G_IO_ERR
G_IO_HUP
G_IO_NVAL
}
: <poll-fd> ( -- poll-fd )
GPollFD malloc-struct &free
mx get-global fd>> >>fd
poll-fd-events >>events ;
M:: unix with-event-loop ( quot -- )
stop-io-thread
<funcs> &free
GSource heap-size g_source_new &g_source_unref :> source
source <poll-fd> g_source_add_poll
source f g_source_attach drop
[ quot call( -- ) ]
[
source g_source_destroy
start-io-thread
] [ ] cleanup ;