Excellent, that did it. Thank you for the _instant_ support, Matthew! One thing I noticed, is that when pressing the stop button in DrRacket, the OS process survived. I can't tell whether that's good or bad, just an observation.
Thanks again! br, jukka > -----Original Message----- > From: Matthew Flatt [mailto:mfl...@cs.utah.edu] > Sent: 19 March 2011 23:43 > To: Jukka Tuominen > Cc: users@racket-lang.org > Subject: Re: [racket] racket and OS threads > > > That works for me in Mac OS X. For Linux, though, I have to enable > subprocess groups with `(subprocess-group-enabled #t)'. I guess its a > difference in how shells work. > > At Sat, 19 Mar 2011 23:27:15 +0200, "Jukka Tuominen" wrote: > > > > Still can't end the OS process. I wasn't sure where to place the > > (current-subprocess-custodian-mode 'kill), but none (1-4) > worked. Is there > > still hope to have it done from gracket? > > > > Here's what I have tried: > > > > ;(current-subprocess-custodian-mode 'kill);1 > > > > (define loop > > (lambda () > > (define cust (make-custodian)) > > (begin ;(current-subprocess-custodian-mode 'kill);2 > > (parameterize ((current-custodian cust) > > ;(current-subprocess-custodian-mode 'kill);3 > > ) > > (thread (lambda () > > (current-subprocess-custodian-mode 'kill);4 > > (system "gracket -f \"...rkt\"")))) > > (display "start")(newline) > > (sleep 45) > > (custodian-shutdown-all cust) > > (display "end")(newline) > > (sleep 10) > > (loop) > > ))) > > > > br, jukka > > > > > > > > > > > > -----Original Message----- > > > > From: Matthew Flatt [mailto:mfl...@cs.utah.edu] > > > > Sent: 18 March 2011 15:24 > > > > To: Jukka Tuominen > > > > Cc: users@racket-lang.org > > > > Subject: Re: [racket] racket and OS threads > > > > > > > > > > > > Oh, you need to create a custodian, make it the current > custodian when > > > > creating the thread (with `parameterize' and > `current-custodian'), and > > > > then shut down with `custodian-shutdown-all' instead of > `kill-thread'. > > > > > > > > At Fri, 18 Mar 2011 15:17:30 +0200, "Jukka Tuominen" wrote: > > > > > > > > > > I tried first the original "system" procedure having > > > > > (current-subprocess-custodian-mode 'kill) mode applied. But > > > > that didn't have > > > > > any effect on kill-thread, and for subprocess-kill I > should know the > > > > > subprocess id, I guess? > > > > > > > > > > What am I missing here...? > > > > > > > > > > br, jukka > > > > > > > > > > > > > > > > > > > > > -----Original Message----- > > > > > > From: Matthew Flatt [mailto:mfl...@cs.utah.edu] > > > > > > Sent: 18 March 2011 15:02 > > > > > > To: Jukka Tuominen > > > > > > Cc: users@racket-lang.org > > > > > > Subject: Re: [racket] racket and OS threads > > > > > > > > > > > > > > > > > > At Fri, 18 Mar 2011 14:57:34 +0200, "Jukka Tuominen" wrote: > > > > > > > now the problem moved to converting the simple "system" > > > > procedure to > > > > > > > not-so-simple "subprocess" procedure. > > > > > > > > > > > > To use `current-subprocess-custodian-mode'? The > parameter applies to > > > > > > `system', too. > > > > > > > > > > > > > > > > > > > > > _________________________________________________ > > > > > For list-related administrative tasks: > > > > > http://lists.racket-lang.org/listinfo/users > > > > > > > > > > > > > _________________________________________________ > > > For list-related administrative tasks: > > > http://lists.racket-lang.org/listinfo/users > > > > _________________________________________________ > > For list-related administrative tasks: > > http://lists.racket-lang.org/listinfo/users > _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/users
