From: Charles Oliver Nutter <charles.nutter@...>
Date: 2008-09-10T04:28:29+09:00
Subject: Re: FileUtils.chdir thread safety

Robert Klemme wrote:
> 2008/9/9 Mr_Tibs <tiberiu.motoc@gmail.com>:
>> Darn it! It would seem like a good idea.
> 
> I am not convinced yet.  Think about typical scenarios where one
> thread creates tasks and hands them off to another thread. These will
> break if every thread has its own idea of current dir.  If you use
> absolute pathnames you do not need a local current dir.  This change
> might even break existing code.  I believe we should at least
> carefully evaluate consequences.

There's no reason threads couldn't inherit a reference to their parent 
thread's cwd, only using a specific one if provided (reverting back to 
the parent's cwd afterward).

It could even be made explicit:

Thread.chdir('foo') {}

- Charlie