[Stackless] Documentation of tasklet life cycle (was Re: Open Stackless issues)
andrewfr_ice at yahoo.com
Thu Sep 5 01:58:05 CEST 2013
This is great! Sorry about that. I am not sure why I was under that impression? Let me dredge out pickling code examples and see what I was doing.
From: Richard Tew <richard.m.tew at gmail.com>
To: Andrew Francis <andrewfr_ice at yahoo.com>; The Stackless Python Mailing List <stackless at stackless.com>
Cc: "a.kruis at science-computing.de" <a.kruis at science-computing.de>
Sent: Wednesday, September 4, 2013 2:18 PM
Subject: Re: [Stackless] Documentation of tasklet life cycle (was Re: Open Stackless issues)
Tasklets blocked on channels can be pickled.
>>> import stackless
>>> c = stackless.channel()
>>> def f(ct):
... print "in"
... print "out"
>>> t = stackless.tasklet(f)(c)
>>> import cPickle
>>> s = cPickle.dumps(t)
On 9/5/13, Andrew Francis <andrewfr_ice at yahoo.com> wrote:
> Hi Anselm:
> Message: 1
> Date: Wed, 04 Sep 2013 15:07:51 +0200
> From: Anselm Kruis <a.kruis at science-computing.de>
> To: stackless at stackless.com
> Subject: [Stackless] Documentation of tasklet life cycle (was Re: Open
> Stackless issues)
> Message-ID: <522730A7.3070900 at science-computing.de>
> Content-Type: text/plain; charset="iso-8859-1"; format="flowed"
>>I just created a first draft of a state diagram for the tasklet life
>>cycle. It is here:
>>Any comments and suggestions are highly welcome.
> Nice work. Some comments:
> What is the difference between a tasklet that is not alive (i.e., not bound
> to a callable) and a tasklet that is not alive (but bounded to a callable).
> Should there be a dead state?
> Do you really need to distinguish between the "running" state and the
> "running in scheduler" state? Isn't the difference between stackless.run()
> and tasklet.run() a matter of when a tasklet is scheduled?
> Does a tasklet that is pickled or blocked on a channel require a special
> state (since a tasklet blocked on a channel cannot be pickled)?
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