[OpenJDK 2D-Dev] RFR: 8269223: -Xcheck:jni WARNINGs working with fonts on Linux [v3]

[Maxim Kartashev]

On Sat, 17 Jul 2021 03:03:41 GMT, Sergey Bylokhov <serb at openjdk.org> wrote:

>> Maxim Kartashev has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   1. Marked the test as headful so that it doesn't fail on a headless
>>   system.
>>   2. Added exception checks to Windows-specific code.
>
> src/java.desktop/windows/native/libawt/java2d/d3d/D3DRenderQueue.cpp line 870:
> 
>> 868:         J2dTraceLn(J2D_TRACE_VERBOSE, "  executing runnable");
>> 869:         jboolean ignoreException;
>> 870:         JNU_CallMethodByName(env, &ignoreException, pFlush->runnable, "run", "()V");
> 
> What is the purpose of this change? the only difference is that in the second case the ExceptionCheck will be called, does it affect something?

Yes, the `ExceptionCheck()` call will silence the warnings from `-Xcheck:jni`.

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PR: https://git.openjdk.java.net/jdk/pull/4572