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