[M3commit] CVS Update: cm3

[John Polstra]

Antony Hosking wrote:
> Log message:
> 	The problem with the pure pthread condition = M3 condition strategy is that it
> 	doesn't play well with alerts on Mac OS X.  It turns out signalling the
> 	alerted thread won't wake it up from pthread_cond_wait or
> 	pthread_cond_timedwait, as it will under Linux.

The MacOSX behavior is OK according to POSIX, so it's good that you're 
making this change.

John