RFR: 8368124: Show useful thread names in ASAN reports [v4]

[David Holmes]

On Tue, 23 Sep 2025 15:28:02 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

>> Thomas Stuefe has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   review feedback
>
> src/hotspot/os/linux/os_linux.cpp line 4868:
> 
>> 4866:   // set name in kernel
>> 4867:   int rc = prctl(PR_SET_NAME, buf);
>> 4868:   assert(rc == 0, "prctl(PR_SET_NAME) failed");
> 
> shouldn't we check also the return code rc in release builds and not only assert ?

I don't think so. If this "fails" what could we do? This should not be presented as a failure to the end user.

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PR Review Comment: https://git.openjdk.org/jdk/pull/27395#discussion_r2373809809