RFR: 8202884 [backport]: SA: Attach/detach might fail on Linux if debugee application create/destroy threads during attaching

[Andrew Dinn]

I'd like to request a review for a backport of JDK-8202884 to jdk8u. The
original patch does not apply cleanly. A modified patch is provided here:

changeset: http://cr.openjdk.java.net/~adinn/8202884/

regards,


Andrew Dinn
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