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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Interesting.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I must confess that I never understood the point of the argument
to stackless.schedule(). What‘s the point of putting anything in there at all?<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Might we just not deprecate it, or remove the feature?<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>K<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
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<p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:
"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'> stackless-bounces@stackless.com
[mailto:stackless-bounces@stackless.com] <b>On Behalf Of </b>Péter Szabó<br>
<b>Sent:</b> 5. maí 2010 23:07<br>
<b>To:</b> The Stackless Python Mailing List<br>
<b>Subject:</b> Re: [Stackless] weak reference on tempval?<o:p></o:p></span></p>
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<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>FYI There is indeed a memory leak on a circular reference.<br>
<br>
import gc<br>
import resource<br>
import stackless<br>
import weakref<br>
gc.disable()<br>
resource.setrlimit(resource.RLIMIT_AS, (200 << 20, 200 <<
20)) # 200 MB<br>
while True:<br>
t = stackless.tasklet(stackless.schedule)()<br>
assert t.alive<br>
stackless.schedule()<br>
assert t.alive<br>
assert t is t.tempval # Circular reference: t --> t.tempval
--> t<br>
t.remove()<br>
<br>
Solution to avoid using unnecessary memory: always call
stackless.schedule(None) instead of stackless.schedule(); also for
stackless.schedule_remove().<o:p></o:p></p>
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