K 10
svn:author
V 7
davidxu
K 8
svn:date
V 27
2006-12-14T13:22:02.000000Z
K 7
svn:log
V 174
Create inline function _thr_umutex_trylock2 to only try one atomic
operation, if it is failed, we call syscall directly, this saves
one atomic operation per lock contention.

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