K 10
svn:author
V 7
davidxu
K 8
svn:date
V 27
2012-02-22T03:22:49.909977Z
K 7
svn:log
V 229
Use unused fourth argument of umtx_op to pass flags to kernel for operation
UMTX_OP_WAIT. Upper 16bits is enough to hold a clock id, and lower
16bits is used to pass flags. The change saves a clock_gettime() syscall
from libthr.

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