RFR (S) 8130039: Move the platform-specific [OS]Semaphore code

[coleen.phillimore at oracle.com]

I didn't make the change for 8130038 for AIX because it was slightly 
different.   The AIX code still uses semaphores directly, so this would 
need another RFE.

Thanks,
Coleen

On 1/8/18 5:34 PM, coleen.phillimore at oracle.com wrote:
> Also:
> 8130038: Unify the semaphore usage in os_xxx.cpp
>
> Tested with hs-tier1-5.  And 
> open/test/jdk/sun/misc/SunMiscSignalTest.java and closed signal tests.
>
> open webrev at http://cr.openjdk.java.net/~coleenp/8130039.01/webrev
> bug link https://bugs.openjdk.java.net/browse/JDK-8130039
>
> Thanks,
> Coleen