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

[Jayathirth D V]

On Mon, 10 May 2021 11:21:34 GMT, Vyom Tewari <vtewari 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
>
>> @vyommani how are you going to test this?
> 
> I tested locally at my Linux environment. we have a test "java/nio/channels/FileChannel/BlockDeviceSize.java" but  it requires root privileged , i ran this as well as a root.  Please  have a look into this(https://bugs.openjdk.java.net/browse/JDK-8150539).

@vyommani You can start tier1 CI build to make sure build passes with this fix.

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