From: Aaron Patterson <tenderlove@...>
Date: 2012-10-02T09:42:12+09:00
Subject: [ruby-core:47802] Re: [ruby-trunk - Bug #7097][Assigned] Thread locals don't work inside Enumerator


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On Tue, Oct 02, 2012 at 08:32:51AM +0900, SASADA Koichi wrote:
> (2012/10/02 8:22), SASADA Koichi wrote:
> >=20
> > One idea is:
> >=20
> >   - Define: Thread#[] -> Thred#current_fiber#[]
> >   - Add: Thread#truly_thread_local_get(key)
> >     and  Thread#truly_thread_local_set(key, val)
> >=20
> > (of course, truly_... is temporal name)

I prefer this solution.  I want a way to set true thread locals.

> Another idea:
>=20
> Add an option to derive Fiber local storage at a Fiber creation.
>=20
>   For example:
>=20
>     Thread[:foo] =3D :bar
>     Fiber.new(derive_fiber_local_storage: true) do
>       Thread[:foo] #=3D> :bar
>     end
>=20
> And use Fiber in enumerator with this option true.

I think the "true thread local" solution is better than this because I
can use it with existing fiber based code.  If a third party library
uses Fibers, and I want thread locals, it would not be possible with
this solution.

--=20
Aaron Patterson
http://tenderlovemaking.com/

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