From: Charles Oliver Nutter <headius@...>
Date: 2010-01-16T09:46:36+09:00
Subject: Re: xrefresh server, rb-inotify and ioselect

On Thu, Jan 14, 2010 at 8:36 AM, Marc Weber <marco-oweber@gmx.de> wrote:
> This seems to work. I'm still interested what's causing this trouble.
> Obviously there is a problem with the to_io code which looks like this:
>
>
>  def to_io
>    raise NotImplementedError.new("INotify::Notifier#to_io is not supported under JRuby") if RUBY_PLATFORM =~ /java/
>    IO.new(@fd)
>  end
>
> So ruby doesn't like callign IO.new(@fd) over and over again.

If you create an IO object to wrap an fd, when it GCs it will close
that fd. I'm not sure if there's a way to "detach" from a given fd so
it doesn't close. You might prefer reopen instead of creating new IOs
every time.

- Charlie