On Wednesday, October 23, 2024, Pavel Borisov <pashkin.e...@gmail.com>
wrote:

>
> In fact, in parts of the code, it's currently used to immediately exit or
> throw FATAL (in the walsender and in libpq).
>

Maybe submit a patch to fix these parts of the code that should apparently
be using WL_EXIT_ON_PM_DEATH to do so instead of an unnecessary
self-directed exit?

The comment needn’t tell the developer that it is possible code things in
such a way using WL_POSTMASTER_DEATH that is redundant with what they could
more easily accomplish using WL_EXIT_ON_PM_DEATH.  Doing nothing is always
an option, but one not recommended and thus not pointed out.

The only thing that I could see not leaving implied is that if you don’t
use WL_EXIT_ON_PM_DEATH and the postmaster does die your handler code must
terminate your process explicitly (I suppose “must” really is “should”
because I suspect when the postmaster is done dead it will have taken its
children to /dev/null along with it…).

David J.

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