RFR: 8274794: Print all owned locks in hs_err file [v2]

[Thomas Stuefe]

On Mon, 18 Oct 2021 12:56:58 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> src/hotspot/share/runtime/mutex.cpp line 345:
>> 
>>> 343: // by fatal error handler.
>>> 344: void Mutex::print_owned_locks_on_error(outputStream* st) {
>>> 345:   ResourceMark rm;
>> 
>> Why is this mark needed?
>
> rank_name() uses resource allocation.

Could move it to print_on then, to limit the chance of actual mallocs happening during error reporting (but I leave that up to you).

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PR: https://git.openjdk.java.net/jdk/pull/5958