On Sat, 2017-03-25 at 21:17 +0100, Florian Weimer wrote:
> * Torvald Riegel:
> 
> > +  bool registered_while_in_write_phase = false;
> >    if (__glibc_likely ((r & PTHREAD_RWLOCK_WRPHASE) == 0))
> >      return 0;
> > +  else
> > +    registered_while_in_write_phase = true;
> 
> Sorry, this doesn't look quite right.  Isn't
> registered_while_in_write_phase always true?

Attached is a v2 patch.  It's the same logic, but bigger.  Most of this
increase is due to reformatting, but I also adapted some of the
comments.
I get two failures, but I guess these are either due to the bad internet
connectivity I currently have, or something at the resolver.
FAIL: resolv/mtrace-tst-leaks
FAIL: resolv/tst-leaks