Re: /run vs /var/run
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md@Linux.IT (Marco d'Itri) writes:
> On Dec 19, Roger Leigh <rleigh@whinlatter.ukfsn.org> wrote:
>
>> With this example, it's trivial to trigger namespace conflicts and
>> break shm_open(). "mkdir /dev/shm/foobar", for example, or create a
>> symbolic link. These fail outright. If a regular file was opened, it
> And so would two programs using the same name for a SHM object (well,
> they would share it, as it's designed to be).
Yes. You would however be cooperating, and using O_CREAT|O_EXCL and
unlinking at the appropriate times so as to avoid any trouble.
> The real lesson in this is that object names should be choosed
> carefully.
That's correct, but you should still not be using the namespace for
non-SHM activities.
- --
Roger Leigh
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