David Xu de1e74c6a5 Revert revision 214007, I realized that MySQL wants to resolve
a silly rwlock deadlock problem, the deadlock is caused by writer
waiters, if a thread has already locked a reader lock, and wants to
acquire another reader lock, it will be blocked by writer waiters,
but we had already fixed it years ago.
2010-10-20 02:34:02 +00:00
..
2010-01-05 07:50:31 +00:00
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