Is there some ID for threads?

Yes. It called the thread id: my $thread = threads->create(... ); my $tid = $thread->tid;

That said, thread handles are also unique, so you could also use that as a key in your hash.

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
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In reply to Re^5: Problems using module Async by BrowserUk
in thread Problems using module Async by hfi

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