Re: [PATCHv4 man-pages 3/3] open.2: describe O_BENEATH flag
From: David Drysdale
Date: Fri Aug 14 2015 - 05:29:36 EST
On Fri, Aug 14, 2015 at 6:33 AM, Michael Kerrisk (man-pages)
> On 13 August 2015 at 19:38, Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote:
>> On Thu, Aug 13, 2015 at 2:32 AM, David Drysdale <drysdale@xxxxxxxxxx> wrote:
>>> Signed-off-by: David Drysdale <drysdale@xxxxxxxxxx>
>> What's the behavior wrt fcntl(F_GETFL, etc)?
> I would presume that O_BENEATH is one of the so-called "file creation
> flags". See this paragraph of the DESCRIPTION:
> In addition, zero or more file creation flags and file status
> flags can be bitwise-or'd in flags. The file creation flags are
> O_CLOEXEC, O_CREAT, O_DIRECTORY, O_EXCL, O_NOCTTY, O_NOFOLLOW,
> O_TMPFILE, O_TRUNC, and O_TTY_INIT. The file status flags are
> all of the remaining flags listed below. The distinction between
> these two groups of flags is that the file status flags can be
> retrieved and (in some cases) modified; see fcntl(2) for details.
> David, presuming this is correct (I can't see how O_BENEATH could be a
> "file *status* flag"), your patch should also add O_BENEATH to the
> list in that paragraph.
Yeah, O_BENEATH makes sense as a file creation flag; I'll add it
to that list -- thanks for spotting.
> Michael Kerrisk
> Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
> Linux/UNIX System Programming Training: http://man7.org/training/
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