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Re: Multithreading Perl

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Gurusamy Sarathy
April 6, 2000 13:43
Re: Multithreading Perl
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On Thu, 06 Apr 2000 15:25:15 CDT, Geoffrey Wossum wrote:
>According to all the documentation I've found, the Perl interpreter has
>been thread-safe since 5.005.  Is this true?  I see the interpreter
>looking at a lot of global data...

No, 5.005 isn't concurrency-safe.  5.6.0 is, if you build it with the
appropriate Configure options.

>I've tried compiling perl with a variety of options, includeing
>MULTIPLICITY and THREADS and various other things.  The program either
>core dumps, or it seems that only one Perl interpreter is really there.
>So the questions are:  
>Can I do this with Perl (5.005 or 5.6)?  
>If so, what's the secret?  How do I need to compile Perl?  Do I need to do
>something special with my external threading mechanism?

You'll need to build with -Dusemultiplicity.  See perldelta.pod in 5.6.0.


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