2008-02-18 06:07:40 -05:00
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! Copyright (C) 2008 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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2008-02-18 08:30:16 -05:00
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USING: kernel threads ;
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2008-02-18 06:07:40 -05:00
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IN: concurrency.exchangers
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! Motivated by
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! http://java.sun.com/j2se/1.5.0/docs/api/java/util/concurrent/Exchanger.html
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TUPLE: exchanger thread ;
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: <exchanger> ( -- exchanger )
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f exchanger construct-boa ;
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: exchange ( obj exchanger -- newobj )
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dup exchanger-thread [
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dup exchanger-thread
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f rot set-exchanger-thread
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resume-with
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] [
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[ set-exchanger-thread ] curry suspend
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] if ;
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