RFR for JDK-7027502: Test failures in demo/jvmti/hprof testcases, need to be othervm

[Tristan Yan]

Thank you Paul

I change turn to local variable as well.

http://cr.openjdk.java.net/~tyan/JDK-7027502/webrev.03/ 
<http://cr.openjdk.java.net/%7Etyan/JDK-7027502/webrev.03/>

I am not sure I understand your second suggestion here,  sum up 
thread_turns of each Context(This is a fixed value) doesn't equal 
total_turns_taken.

Regards

Tristan

On 01/09/2014 06:28 PM, Paul Sandoz wrote:

> On Jan 9, 2014, at 10:52 AM, Tristan Yan <tristan.yan at oracle.com> wrote:
>
>> Can someone else give a second review on this.
>>
> In a comment the bug you state: "here total_turns_taken is a static 
> variable, it could affect by other tests" I don't quite know under 
> what test circumstances that can happen, but if so is the following 
> also an issue: 52 private final static TurnChecker turn = new 
> TurnChecker(-1); ? FWIW an alternative to using an AtomicInteger would 
> be for the main loop to sum up thread_turns of each Context, since 
> read/writes are all performed in a synchronized block. Paul.
>