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Date: Fri, 10 May 2013 10:56:45 +1200
From: Greg Ewing <greg.ewing@canterbury.ac.nz>
Subject: Re: object.enable() anti-pattern
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Cameron Simpson wrote:
> You open a file with "0" modes, so
> that it is _immediately_ not writable. Other attempts to make the
> lock file thus fail because of the lack of write,

I don't think that's quite right. You open it with
O_CREAT+O_EXCL, which atomically fails if the file
already exists. The read/write modes don't really
come into it, as far as I know.

-- 
Greg