RFR: (8030875) Macros for checking and returning on exceptions

[Chris Hegarty]

Thank you Roger, much appreciated.

I think Dan has a change in flight that could be simplified a bit by 
using these.

-Chris.

On 10/01/14 15:37, roger riggs wrote:
> Please review:
>
> To enable native code checking consistently for thrown exceptions,
> the macros in net_util.h and java/util/jar/pack/coding.cpp are
> made consolidated and promoted to jni_util.h
>
> webrev:
> http://cr.openjdk.java.net/~rriggs/webrev-check-exception-8030875/
>
> [1] https://bugs.openjdk.java.net/browse/JDK-8030875