Andy McFadden 7c99c1856f Atomic/SMP update, part 3. (manual merge)
Update ARM atomic ops to use LDREX/STREX.  Stripped out #if 0 chunk.

Insert explicit memory barriers in pthread and semaphore code.

For bug 2721865.

Change-Id: I595cc8e5a8d1e4906b6641115e46208a7e9e755a
2010-06-01 16:25:02 -07:00
2010-03-17 16:11:37 -05:00
2008-10-21 07:00:00 -07:00
2010-03-22 15:55:09 -07:00
2008-10-21 07:00:00 -07:00
2010-03-08 18:04:02 -08:00
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