RFR: JDK-8266797: Fix for 8266610 breaks the build on macos

[Vyom Tewari]

On Mon, 10 May 2021 07:39:44 GMT, David Holmes <dholmes at openjdk.org> wrote:

> Hi Vyom,
> 
> That fixes the include file problem but as this was obviously not tested on non-Linux have you checked that the rest of the fix for 8266610 works okay on non-Linux?
> 
> Thanks,
> David

Hi David,

Original fix  was intended to  Linux specific. Current  Fix  will not impact other platforms. 

There is existing test (java/nio/channels/FileChannel/BlockDeviceSize.java) which test the new code but currently it is silently passing without running the test. This test requires root access.

Please see the bug( https://bugs.openjdk.java.net/browse/JDK-8150539) 

Thanks,
Vyom

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PR: https://git.openjdk.java.net/jdk/pull/3943