Thread-killing, round 666 (was Re: Lisp mentality vs. Python mentality)

Aahz aahz at
Mon Apr 27 02:20:58 CEST 2009

In article <793a5176-ec2d-4ffd-b1e7-76207773350e at>,
Vsevolod  <vseloved at> wrote:
>On Apr 26, 6:28 pm, a... at (Aahz) wrote:
>> The problem is that thread-killing (in the literal sense) doesn't work.
>> Unlike processes, there's no thread-environment encapsulation at the OS
>> level, which means that things don't get cleaned up properly.  Even Java
>> has mostly given up on thread-killing.  The only way to kill threads
>> safely is to have them terminate themselves.  Your other option is to use
>> multiple processes.
>Well, somehow, in Lisp it's not a problem. :)

Does Lisp even have OS-level threads?  What Lisp are you using, on what
OS?  Are they perhaps Erlang-style cooperative threads instead?
Aahz (aahz at           <*>

"If you think it's expensive to hire a professional to do the job, wait
until you hire an amateur."  --Red Adair

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