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

[Thomas Schatzl]

Hi,

On Thu, 2017-06-29 at 10:50 +0200, 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

  the refactoring looks good to me, but I would guess you want to wait
for somebody from the runtime team too.

Thanks,
  Thomas