ChiJin Zhou <tlock(dot)chijin(at)gmail(dot)com> writes:
> 3. continuously send SIGHUP to the server process like:
> 4. and the server process exit with address boundary error.
This was fixed in HEAD at [1]. Our current thought is not to
back-patch that, though, as it doesn't seem like a case likely to be
much of a problem in practice, and the patch has not yet survived
a beta test cycle so it's not risk-free.
regards, tom lane
[1] https://git.postgresql.org/gitweb/?p=postgresql.git&a=commitdiff&h=9abb2bfc0