|Think about Loose Coupling|
Re: How do I get a unique Perl Interpreter ID?by BrowserUk (Pope)
|on Dec 01, 2011 at 03:38 UTC||Need Help??|
prefer to stay in pure Perl if I possibly can.
AFAIK, outside of going into XS to create your own interpreter; thread == interpreter.
So, if you're staying in pure Perl -- and therefore not creating any Interpreters yourself explicitly; or implicitly other than via threads (& Windows fork emulation) -- then the combination of pid & tid should be unique.
Other than the possibility where the 32-bit tid wraps around, but if you're creating that many threads in a single process, then you could probably use the week number or maybe even month instead of the pid :)
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