97 lines
2.7 KiB
Factor
Executable File
97 lines
2.7 KiB
Factor
Executable File
! Copyright (C) 2005, 2008 Chris Double, Slava Pestov.
|
|
! See http://factorcode.org/license.txt for BSD license.
|
|
IN: concurrency.mailboxes
|
|
USING: dlists deques threads sequences continuations
|
|
destructors namespaces math quotations words kernel
|
|
arrays assocs init system concurrency.conditions accessors
|
|
debugger debugger.threads locals fry ;
|
|
|
|
TUPLE: mailbox threads data disposed ;
|
|
|
|
M: mailbox dispose* threads>> notify-all ;
|
|
|
|
: <mailbox> ( -- mailbox )
|
|
<dlist> <dlist> f mailbox boa ;
|
|
|
|
: mailbox-empty? ( mailbox -- bool )
|
|
data>> deque-empty? ;
|
|
|
|
: mailbox-put ( obj mailbox -- )
|
|
[ data>> push-front ]
|
|
[ threads>> notify-all ] bi yield ;
|
|
|
|
: wait-for-mailbox ( mailbox timeout -- )
|
|
[ threads>> ] dip "mailbox" wait ;
|
|
|
|
:: block-unless-pred ( mailbox timeout pred: ( message -- ? ) -- )
|
|
mailbox check-disposed
|
|
mailbox data>> pred dlist-any? [
|
|
mailbox timeout wait-for-mailbox
|
|
mailbox timeout pred block-unless-pred
|
|
] unless ; inline recursive
|
|
|
|
: block-if-empty ( mailbox timeout -- mailbox )
|
|
over check-disposed
|
|
over mailbox-empty? [
|
|
2dup wait-for-mailbox block-if-empty
|
|
] [
|
|
drop
|
|
] if ;
|
|
|
|
: mailbox-peek ( mailbox -- obj )
|
|
data>> peek-back ;
|
|
|
|
: mailbox-get-timeout ( mailbox timeout -- obj )
|
|
block-if-empty data>> pop-back ;
|
|
|
|
: mailbox-get ( mailbox -- obj )
|
|
f mailbox-get-timeout ;
|
|
|
|
: mailbox-get-all-timeout ( mailbox timeout -- array )
|
|
block-if-empty
|
|
[ dup mailbox-empty? ]
|
|
[ dup data>> pop-back ]
|
|
produce nip ;
|
|
|
|
: mailbox-get-all ( mailbox -- array )
|
|
f mailbox-get-all-timeout ;
|
|
|
|
: while-mailbox-empty ( mailbox quot -- )
|
|
[ '[ _ mailbox-empty? ] ] dip while ; inline
|
|
|
|
: mailbox-get-timeout? ( mailbox timeout pred -- obj )
|
|
[ block-unless-pred ]
|
|
[ [ drop data>> ] dip delete-node-if ]
|
|
3bi ; inline
|
|
|
|
: mailbox-get? ( mailbox pred -- obj )
|
|
f swap mailbox-get-timeout? ; inline
|
|
|
|
: wait-for-close-timeout ( mailbox timeout -- )
|
|
over disposed>>
|
|
[ 2drop ] [ 2dup wait-for-mailbox wait-for-close-timeout ] if ;
|
|
|
|
: wait-for-close ( mailbox -- )
|
|
f wait-for-close-timeout ;
|
|
|
|
TUPLE: linked-error error thread ;
|
|
|
|
M: linked-error error.
|
|
[ thread>> error-in-thread. ] [ error>> error. ] bi ;
|
|
|
|
C: <linked-error> linked-error
|
|
|
|
: ?linked ( message -- message )
|
|
dup linked-error? [ rethrow ] when ;
|
|
|
|
TUPLE: linked-thread < thread supervisor ;
|
|
|
|
M: linked-thread error-in-thread
|
|
[ <linked-error> ] [ supervisor>> ] bi mailbox-put ;
|
|
|
|
: <linked-thread> ( quot name mailbox -- thread' )
|
|
[ linked-thread new-thread ] dip >>supervisor ;
|
|
|
|
: spawn-linked-to ( quot name mailbox -- thread )
|
|
<linked-thread> [ (spawn) ] keep ;
|