RFR (S) 8182554: Code for os::random() assumes long is 32 bits
kim.barrett at oracle.com
Wed Jun 28 18:01:42 UTC 2017
> On Jun 28, 2017, at 11:46 AM, coleen.phillimore at oracle.com wrote:
> Summary: And make updating the _rand_seed thread safe.
> See bug for more details.
> open webrev at http://cr.openjdk.java.net/~coleenp/8182554.01/webrev
> bug link https://bugs.openjdk.java.net/browse/JDK-8182554
> Tested with JPRT and performance tested addition of cas in os::random call (no regressions). The only thing that uses os::random more than like once is Symbol creation.
Something I missed during pre-review. Sorry!
- random_helper ought to be static (or added to os::).
Also, the seed in test_random is still (unsigned) long, and we're
trying to eliminate potentially confusing uses of long.
Looks good. I don't need another webrev for those nits.
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