threads/128180: pthread_cond_broadcast(3) lost wakeup

[Ed Maste]

On Tue, Nov 04, 2008 at 07:41:13AM -0800, Alfred Perlstein wrote:

> This bug may have been fixed in 6-stable and 6.4.
> 
> http://svn.freebsd.org/viewvc/base?view=revision&revision=184172
> 
> Can you try upgrading?

I tried with the changes from r184172, but I'm still able to reproduce
the problem using the test app in the PR.  With your change it does
seem to run for on average about 10 times as long before it hangs though.

-Ed