Re: [patch/rfc] eventfd semaphore-like behavior

[Davide Libenzi]

On Thu, 5 Feb 2009, Michael Kerrisk wrote:

> > Dunno.  Probably try the syscall and see if it returned -EINVAL.  Does
> > that work in this case?
> 
> As youll have seen by now, Ulrich and I noted that it works.
> 
> > If so, it would be sensible to mention this in
> > the description somewhere as the approved probing method and to
> > maintain it.
> 
> I'll add something to the man page, as this patch progresses.

I see we already have stuff like this inside the man pages:

O_CLOEXEC (Since Linux 2.6.23)
          Enable the close-on-exec flag for the new file descriptor.  
          ...

Maybe a similar note for the new flag?



- Davide


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