Re: How to write a proper fork hook code?

[Svante Signell]

On Mon, 2015-03-02 at 10:57 +0100, Svante Signell wrote:
> On Mon, 2015-03-02 at 10:38 +0100, Samuel Thibault wrote:

> > > > But again, I'm still unsure why you believe that locks are being
> > > > inherited through fork(): before introducing a fork hook to forcibly
> > > > unlock something, one needs to be absolutely sure that it's actually
> > > > locked.  Actually it'd even look like a design flaw if two process could
> > > > actually hold a lock on the same piece of a file...

Well, the file record locking patches were mainly written by Neal. So if
you are so very expert on everything, maybe you could help me find where
the design flaw is. I have not managed to find it so far. The patches
have been submitted twice, latest (git mail) version starts with:
http://lists.gnu.org/archive/html/bug-hurd/2015-01/msg00108.html
and
http://lists.gnu.org/archive/html/bug-hurd/2015-01/msg00106.html