From: Eric Wong <normalperson@...>
Date: 2011-03-05T02:16:59+09:00
Subject: [ruby-core:35425] Re: [Ruby 1.9 - Bug #4463][Open] [PATCH]	release GVL for fcntl() for operations that may block

KOSAKI Motohiro <kosaki.motohiro@gmail.com> wrote:
> Hi
> 
> I've commited slightly modified version today (r31025).
> The difference is,
> 
> 1) All IO.fcntl() and IO.iocntl() relese GVL instead only SETLCKW. because,
>     A) if a user are using network filesystem, almost all fcntl need network
>         communication. iow, they can be blocked.
>     B) We are sure ioctl() has similar issue. But, we don't have any knowledge
>         which ioctl can be blocked. It is strongly dependend a
> platform and a device.

Agreed on both points.

> 2) Added small test. It is based on your Fcntl::Flock patch.

Any chance of that patch making it into trunk?  I'd be happy to make
any changes/improvements necessary (+docs, too).  Thanks again.

-- 
Eric Wong