[racket] Places acting differently in DrRacket and Racket

From: Robby Findler (robby at eecs.northwestern.edu)
Date: Thu Oct 18 08:17:09 EDT 2012

Sorry-- just to clarify; is there a bug in the current git version?

Thanks,
Robby

On Thu, Oct 18, 2012 at 3:05 AM, Tobias Hammer <tobias.hammer at dlr.de> wrote:
> The whole enclosing module (file) is executed again on every call to place.
> Add a print before the place start to see it. Seems to be broken since <
> 5.2.1.
>
>
> On Thu, 18 Oct 2012 06:39:56 +0200, Nick Shelley <nickmshelley at gmail.com>
> wrote:
>
>> It looks like that was the problem. Thanks!
>>
>> However, if I add (place-wait p) after defining p as the place, DrRacket
>> runs out of memory (and never prints anything), while Racket gives a
>> "place: scheduler pipe failed" error and runs the place body about 50
>> times. Anything else obvious I'm missing?
>>
>> On Wed, Oct 17, 2012 at 10:26 PM, Robby Findler
>> <robby at eecs.northwestern.edu
>>>
>>> wrote:
>>
>>
>>> Does your racket program exit before the place runs?
>>>
>>> Robby
>>>
>>> On Wed, Oct 17, 2012 at 11:12 PM, Nick Shelley <nickmshelley at gmail.com>
>>> wrote:
>>> > It's usually the case that I'm just missing something obvious, but when
>>> > I
>>> > have a file that just creates a place that prints something and I run
>>> > it
>>> in
>>> > DrRacket, I see the thing printed after a slight pause, but when I run
>>> the
>>> > file with the racket executable from the command line, I don't see
>>> anything.
>>> > Just to make sure it wasn't some output-port difference, I also had
>>> > this
>>> > code:
>>> >
>>> > (require racket/place)
>>> > (define p (place x (system "touch /tmp/file")))
>>> >
>>> > and sure enough, when run from DrRacket that file gets created, but not
>>> when
>>> > run from the command line.
>>> >
>>> > Can someone explain what I'm missing?
>>> >
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