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Greg: sorry for the delay in replying...
I am not the authority on this stuff; can George / Brian / Terry /
Brad / Gleb reply on this issue?
On Aug 28, 2007, at 12:57 PM, Greg Watson wrote:
>> Note that this is *NOT* well tested. There is work going on right
>> now to make the OMPI layer be able to support MPI_THREAD_MULTIPLE
>> (support was designed in from the beginning, but we haven't ever done
>> any kind of comprehensive testing/stressing of multi-thread support
>> such that it is pretty much guaranteed not to work), but it is
>> occurring on the trunk (i.e., what will eventually become v1.3) --
>> not the v1.2 branch.
>>> The interfaces I'm calling are:
>> Brian or George will have to answer about that one...
>> This guy should be multi-thread safe (disclaimer: haven't tested it
>> myself); it doesn't rely on any global state.
>> Note that all of ORTE is *NOT* thread safe, nor is it planned to be
>> (it just seemed way more trouble than it was worth). You need to
>> serialize access to it.
> Does that mean just calling OPAL_THREAD_LOCK() and OPAL_THREAD_UNLOCK
> () around each?