Re: while_each_thread() under rcu_read_lock() is broken?

[Chris Friesen]

On 06/24/2010 12:07 PM, Paul E. McKenney wrote:

> 3.	The thread-group leader might do pthread_exit(), removing itself
> 	from the thread group -- and might do so while the hapless reader
> 	is referencing that thread.
> 
> 	But isn't this prohibited?  Or is it really legal to do a
> 	pthread_create() to create a new thread and then have the
> 	parent thread call pthread_exit()?  Not something I would
> 	consider trying in my own code!  Well, I might, just to
> 	be perverse, but...  ;-)

I believe SUS allows the main thread to explicitly call pthread_exit(),
leaving the other threads to run.  If the main() routine just returns
then it implicitly calls exit().

Chris

-- 
Chris Friesen
Software Developer
GENBAND
chris.friesen@xxxxxxxxxxx
www.genband.com
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