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From: Bart Schaefer <schaefer@brasslantern.com>
Date: Sat, 6 Jun 2020 08:09:24 -0700
Message-ID: <CAH+w=7ZtFk1b-2tx+2HhKFsL7sN4WP9-X5patVcQat0t6GMFPA@mail.gmail.com>
Subject: Re: Any way to allow clobbering empty files when noclobber is set?
To: Peter Stephenson <p.w.stephenson@ntlworld.com>
Cc: Zsh hackers list <zsh-workers@zsh.org>
Content-Type: text/plain; charset="UTF-8"

On Sat, Jun 6, 2020 at 4:58 AM Peter Stephenson
<p.w.stephenson@ntlworld.com> wrote:
>
> Assuming both processes are actually doing clobbering opens (O_CREAT |
> O_EXCL), you can't get into that position.

Just to clarify:  O_CREAT|O_EXCL is actually the NO_clobber-ing open.
The clobbering open is just to open it for writing if allowed to. and
start scribbling over whatever is there.