RFR(s): 8223313: Use handshakes for CountStackFrames.

[Robbin Ehn]

Hi Richard,

On 2019-05-15 15:06, Reingruber, Richard wrote:
> Hi Robbin,
> 
> Looks good. Not a reviewer, though.

Thanks for reviewing!

/Robbin

> 
> I like the change also, as it makes crashing because of a racing resume impossible.
> 
> Best regards,
> Richard.
> 
> -----Original Message-----
> From: hotspot-runtime-dev <hotspot-runtime-dev-bounces at openjdk.java.net> On Behalf Of Robbin Ehn
> Sent: Mittwoch, 15. Mai 2019 13:17
> To: hotspot-runtime-dev at openjdk.java.net
> Subject: RFR(s): 8223313: Use handshakes for CountStackFrames.
> 
> Hi all please review.
> 
> This change is part of parent issue:
> Utilize handshakes instead of is_thread_fully_suspended
> https://bugs.openjdk.java.net/browse/JDK-8223312
> 
> Issue:
> https://bugs.openjdk.java.net/browse/JDK-8223313
> Change-set:
> http://cr.openjdk.java.net/~rehn/8223313/webrev/
> 
> The only test using this seems to be CountStackFramesAtExit.java which passes fine.
> 
> Thanks, Robbin
>