1 ! :folding=indent:collapseFolds=1:
5 ! Copyright (C) 2003 Slava Pestov.
7 ! Redistribution and use in source and binary forms, with or without
8 ! modification, are permitted provided that the following conditions are met:
10 ! 1. Redistributions of source code must retain the above copyright notice,
11 ! this list of conditions and the following disclaimer.
13 ! 2. Redistributions in binary form must reproduce the above copyright notice,
14 ! this list of conditions and the following disclaimer in the documentation
15 ! and/or other materials provided with the distribution.
17 ! THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
18 ! INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
19 ! FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
20 ! DEVELOPERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 ! SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22 ! PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
23 ! OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24 ! WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
25 ! OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
26 ! ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 : <thread> ( runnable -- thread )
36 [ "java.lang.Runnable" ] "java.lang.Thread" jnew ;
38 : current-thread ( -- thread )
39 [ ] "java.lang.Thread" "currentThread" jinvoke-static ;
41 : start-thread ( thread -- )
42 [ ] "java.lang.Thread" "start" jinvoke ;
44 : clone-interpreter ( interp1 interp2 -- )
45 #! Copy the state of interp1 into interp2.
46 [ "factor.FactorInterpreter" ]
47 "factor.FactorInterpreter"
50 : <interpreter> ( -- interpreter )
51 #! Clone the current interpreter. Note that it will be
52 #! pointing to exactly the same point of execution!
53 [ ] "factor.FactorInterpreter" jnew ;
55 : fork* ( current new -- thread )
56 dup <thread> [ clone-interpreter ] dip ; interpret-only
59 #! Spawn a new thread. In the original thread, push f.
60 #! In the new thread, push t.
61 interpreter <interpreter> fork* dup current-thread = [
65 ] ifte ; interpret-only
67 : in-thread ( quot -- )
68 #! Execute a quotation in a new thread.
69 fork [ call toplevel ] [ drop ] ifte ; interpret-only