K 10
svn:author
V 4
jkim
K 8
svn:date
V 27
2016-01-05T22:39:46.880669Z
K 7
svn:log
V 448
- Partially implement getThreadUserTime() using getrusage(2).  Note we can
only get usage for the current thread.  Return -1 if the requested function
is not supported, i.e., user time for other threads, rather than crash. [1]
- Properly implement os::elapsedVTime() using getrusage().  Basically, it is
taken from Linux version.
- Temporarily revert r403748 to fix bootstrapping with earlier OpenJDK8. [2]

PR:		205523, 205843 [1]
PR:		205544 [2]

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