From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin-developers@cygwin.com
Subject: Re: Extending domain of O_TMPFILE?
Date: Fri, 5 Feb 2021 12:26:50 +0100 [thread overview]
Message-ID: <20210205112650.GO4251@calimero.vinschen.de> (raw)
In-Reply-To: <Pine.BSF.4.63.2102050219100.10444@m0.truegem.net>
On Feb 5 02:31, Mark Geisert wrote:
> Hi folks,
> I've been following up on a response I made to a Cygwin user in
> https://cygwin.com/pipermail/cygwin/2021-January/247306.html .
> I've figured out that Cygwin's implementation of the open() flag O_TMPFILE
> follows Linux in that one can't specify the name of a file when using this
> flag. User supplies only the path, and Cygwin chooses an obscure file name
> for you.
>
> That means the OP's suggested improvement of applying O_TMPFILE semantics to
> files created by tmpfile() won't work.
I don't understand the problem. tmpfile(3) does not take filenames, it
creates its own filenames. Thus, just adding O_TMPFILE in _tmpfile_r's
and _tmpfile64's calls to open() on systems supporting this flag and not
calling _remove_r subsequently would already do the trick.
Corinna
next prev parent reply other threads:[~2021-02-05 11:26 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-05 10:31 Mark Geisert
2021-02-05 11:26 ` Corinna Vinschen [this message]
2021-02-06 7:56 ` Mark Geisert
2021-02-08 10:34 ` Corinna Vinschen
2021-02-09 10:15 ` Mark Geisert
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