From: Tony Arcieri <tony.arcieri@...>
Date: 2011-10-18T05:12:28+09:00
Subject: Re: Ruby and threading

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On Mon, Oct 17, 2011 at 1:02 PM, Alexey Petrushin <axyd80@gmail.com> wrote:

> Maybe it's a stupid question, but I can't get it - what's the point of
> using OS threads with GIL?
>
> You'll anyway never get situation where two thread runs simultaneously,
> so, what's the point of it?


Threads can still run simultaneously, they just can't make changes to Ruby
objects or the Ruby environment.

A native extension can release the GIL and do blocking I/O or perform a
complex computation (e.g. crypto) while Ruby code is running in another
thread.

-- 
Tony Arcieri

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