Re: PQinSend question

Manfred Spraul <manfred@colorfullife.com> writes:
>> return false;   /* No threading, so we can't be in send() */

> Why not? Signal delivery can interrupt send() even with single-threaded 
> users.

It looks like Bruce left the old logic in place for unthreaded
implementations: we just replace the signal handler during every send().
So there's no need for PQinSend() to do anything useful.
        regards, tom lane