RFR: 8309475: Test java/foreign/TestByteBuffer.java fails: a problem with msync (aix) [v2]

[Tyler Steele]

On Thu, 10 Aug 2023 19:09:53 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

>> Tyler Steele has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains four commits:
>> 
>>  - Re-Removes problem list entry
>>  - Maintain linux-specific definition for minicore_vec_t
>>  - Separate AIX MappedMemoryUtils to new file. Add force0 implementation
>>  - Replace vm_page_size call with sysconf(_SC_PAGESIZE) in javaClasses.cpp
>
> src/java.base/aix/native/libnio/MappedMemoryUtils.c line 140:
> 
>> 138:             return;
>> 139:         } else if (map_entry->pr_vaddr <= end_address &&
>> 140:                    end_address <= map_entry->pr_vaddr + map_entry->pr_size) {
> 
> MappedMemoryUtils.c:140:55: error: arithmetic on a pointer to void is a GNU extension [-Werror,-Wgnu-pointer-arith]
>                    end_address <= map_entry->pr_vaddr + map_entry->pr_size) {
>                                   ~~~~~~~~~~~~~~~~~~~ ^

Thanks for finding this. I am still building and testing with xlc 16.1, but it's a good idea to add 17.1 to the standard process as well. I'll fix before merging.

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PR Review Comment: https://git.openjdk.org/jdk/pull/14964#discussion_r1291869563