[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Help-smalltalk] Process & Fork
From: |
Quenio dos Santos |
Subject: |
Re: [Help-smalltalk] Process & Fork |
Date: |
Sat, 20 Jul 2019 18:13:35 -0300 |
Thanks for the explanation, Tommy.
I did try it with a delay instead of yielding in the main process, but got
the same hanging behavior.
I was looking at the implementation of Delay, and suspect the
non-synchronized queue used there might be causing this problem.
On Sat, 20 Jul 2019 at 17:35 Tommy Pettersson <address@hidden> wrote:
> Hi Quenio,
>
> I can't speak for GNU Smalltalk, but yield in general is a tricky business,
> and does often not mean what one might think. A good way of thinking of
> yield is: "Hi scheduler, I'm not done yet, but if you have something
> important to do, I will yield now". In particular, yield MAY be a no-op, so
> never put it in a busy-wait loop.
>
> Anyways, puting a delay in the main process makes the two processes take
> turns on the cpu. This may be a bug, a feature, or per design, I have
> really no idea. Just don't ever put yield in a busy-wait loop, and
> everyone will be fine. :-)
>
> /Tommy
>
> _______________________________________________
> help-smalltalk mailing list
> address@hidden
> https://lists.gnu.org/mailman/listinfo/help-smalltalk
>
- [Help-smalltalk] Process & Fork, Quenio dos Santos, 2019/07/20
- Re: [Help-smalltalk] Process & Fork, Holger Freyther, 2019/07/20
- Re: [Help-smalltalk] Process & Fork, Quenio dos Santos, 2019/07/20
- Re: [Help-smalltalk] Process & Fork, Holger Freyther, 2019/07/22
- Re: [Help-smalltalk] Process & Fork, Quenio dos Santos, 2019/07/22
- Re: [Help-smalltalk] Process & Fork, Holger Freyther, 2019/07/23
- Re: [Help-smalltalk] Process & Fork, Quenio dos Santos, 2019/07/26
- Re: [Help-smalltalk] Process & Fork, Holger Freyther, 2019/07/26
- Re: [Help-smalltalk] Process & Fork, Quenio dos Santos, 2019/07/26
Re: [Help-smalltalk] Process & Fork, Tommy Pettersson, 2019/07/20
- Re: [Help-smalltalk] Process & Fork,
Quenio dos Santos <=