53 lines
1.6 KiB
Factor
53 lines
1.6 KiB
Factor
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USING: kernel alien.c-types sequences math unix combinators.cleave ;
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IN: unix.process
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! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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: >argv ( seq -- alien ) [ malloc-char-string ] map f add >c-void*-array ;
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! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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: exec ( pathname argv -- int )
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[ malloc-char-string ] [ >argv ] bi* execv ;
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: exec-with-path ( filename argv -- int )
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[ malloc-char-string ] [ >argv ] bi* execvp ;
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: exec-with-env ( filename argv envp -- int )
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[ malloc-char-string ] [ >argv ] [ >argv ] tri* execve ;
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! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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: exec-args ( seq -- int ) [ first ] [ ] bi exec ;
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: exec-args-with-path ( seq -- int ) [ first ] [ ] bi exec-with-path ;
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: exec-args-with-env ( seq seq -- int ) >r [ first ] [ ] bi r> exec-with-env ;
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! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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: with-fork ( child parent -- ) fork dup zero? -roll swap curry if ; inline
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! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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USING: kernel alien.c-types namespaces continuations threads assocs unix
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combinators.cleave ;
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SYMBOL: pid-wait
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! KEY | VALUE
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! -----------
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! pid | continuation
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: init-pid-wait ( -- ) H{ } clone pid-wait set-global ;
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: wait-for-pid ( pid -- status ) [ pid-wait get set-at stop ] curry callcc1 ;
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: wait-loop ( -- )
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-1 0 <int> tuck WNOHANG waitpid ! &status return
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[ *int ] [ pid-wait get delete-at* drop ] bi* ! status ?
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dup [ schedule-thread-with ] [ 2drop ] if
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250 sleep wait-loop ;
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: start-wait-loop ( -- ) init-pid-wait [ wait-loop ] in-thread ; |