RFR 8069048: (process) Suspend finishing threads when process exits [win]

[David Holmes]

Let's give it another shot :)

Reviewed.

Thanks,
David

On 15/01/2015 10:09 PM, Ivan Gerasimov wrote:
> Hello everyone!
>
> This is yet another iteration in the attempt to solve the 'wrong exit
> code' bug on Windows [1].
> The wrong exit code has been observed once again with one of the
> regression tests.
>
> The suspicion is that this might be due to the critical section had been
> destroyed before all the children threads were terminated.
> In that case, one of the threads had been unblocked and called
> _endthreadex(), which resulted in a race.
>
> To address this scenario, it is proposed to make the thread that is
> about to exit the process raise a flag.
> If the flag is raised, any threads wishing to exit should instead
> suspend themselves.
>
> BUGURL: https://bugs.openjdk.java.net/browse/JDK-8069048
> WEBREV: http://cr.openjdk.java.net/~igerasim/8069048/0/webrev/
>
> [1] https://bugs.openjdk.java.net/browse/JDK-6573254
>
> Sincerely yours,
> Ivan