On 1/29/26 13:24, Tom Lane wrote:
Adrian Klaver <[email protected]> writes:
From here at ~line 1781:
https://github.com/postgres/postgres/blob/master/src/backend/postmaster/postmaster.c
/*
* Once a minute, verify that postmaster.pid hasn't been removed or
* overwritten. If it has, we force a shutdown.
Actually, Steve was asking about socket lock files, so the relevant
code fragment is the bit just below that:
Aah, I was close but no cigar.
Well at least I learned something.
/*
* Touch Unix socket and lock files every 58 minutes, to ensure that
* they are not removed by overzealous /tmp-cleaning tasks. We assume
* no one runs cleaners with cutoff times of less than an hour ...
*/
if (now - last_touch_time >= 58 * SECS_PER_MINUTE)
{
TouchSocketFiles();
TouchSocketLockFiles();
last_touch_time = now;
}
regards, tom lane
--
Adrian Klaver
[email protected]
