RFR (S) 8183198: Factor out thread state serialization into a proper helper function

[coleen.phillimore at oracle.com]

This looks good.  Thank you for refactoring this.
Coleen

On 6/29/17 4:50 AM, Mikael Gerdin wrote:
> Hi all,
>
> Please review this small cleanup of the thread state serialization code.
>
> Basically I suggest that we get rid of the platform specific 
> interfaceSupport headers, put the Windows specific exception wrapper 
> code in os_windows and let the other platforms share a os_posix variant.
>
> I've also tried to name the helper functions to clarify what the 
> difference between them is.
>
> Testing: JPRT, local testing
> Webrev: http://cr.openjdk.java.net/~mgerdin/8183198/webrev.0/
> Bug: https://bugs.openjdk.java.net/browse/JDK-8183198
>
> Thanks
> /Mikael