Re: libpq fails to build with TSAN

> On 31 Jan 2024, at 04:21, Roman Lozko <lozko.roma@gmail.com> wrote:
>
> Hi, so libpq has this line in its Makefile
> https://github.com/postgres/postgres/blob/6ee26c6a4bafabbd22a85f575d2446fd5ec6ad0d/src/interfaces/libpq/Makefile#L116
> which checks that libpq does not use any "exit" functions. With
> ThreadSanitizer it triggers on function `__tsan_func_exit` which is
> used to record returns from functions. Should it be added to exclusion
> list here?

I think it should, the idea of that check is to catch calls to actual exits,
while this is instrumentation which has nothing to do with exit(2).  The
attached diff should be enough to handle this.

--
Daniel Gustafsson