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MDEV-35574 remove obsolete pthread_exit calls

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Threads can normally exit without a explicit pthread_exit call.

There seem to date to old glibc bugs, many around 2.2.5.

The semi related bug was https://bugs.mysql.com/bug.php?id=82886.

To improve safety in the signal handlers DBUG_* code was removed.

These where also needed to avoid some MSAN unresolved stack issues.

This is effectively a backport of 2719cc4925.
This commit is contained in:
Daniel Black
2024-12-05 15:31:40 +11:00
parent d92d271648
commit bf7cfa2535
10 changed files with 4 additions and 22 deletions
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1
unittest/mysys/stack_allocation-t.c
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@@ -91,7 +91,6 @@ pthread_handler_t thread_stack_check(void *arg __attribute__((unused)))
test_stack_detection(1, STACK_ALLOC_SMALL_BLOCK_SIZE-1);
test_stack_detection(2, STACK_ALLOC_SMALL_BLOCK_SIZE+1);
my_thread_end();
pthread_exit(0);
return 0;
}