Teemu Ollakka 54a10a4293 MDEV-32363 Shut down Galera networking and logging on fatal signal ...

When handling fatal signal, shut down Galera networking
before printing out stack trace and writing core file.
This is to achieve fail-silent semantics on crashes which may
keep the process running for a long time, but not fully responding
e.g. due to core dumping or symbol resolving.

Also suppress all Galera/wsrep logging to avoid logging from
background threads to garble crash information from signal handler.

Notice that for fully fail-silent crash, Galera 26.4.19 is needed.

Signed-off-by: Julius Goryavsky <julius.goryavsky@mariadb.com>

2024-09-01 02:48:19 +02:00

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