J
Jeff Owen
Guest
Once the lock is obtained, a free entry is either available or it is not. Search of the queue is not required to find a free entry while the lock is held. If a free entry is not available, the lock is released. If a free entry on the queue is available, a small amount of data is updated in the message entry ( 112 bytes). Then the lock is released. So the lock is held for a very, very, short time in duration. -jeff
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