| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk> |
| Cc: | Michael Paquier <michael(at)paquier(dot)xyz>, Paul Guo <pguo(at)pivotal(dot)io>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: [Patch] Create a new session in postmaster by calling setsid() |
| Date: | 2018-09-12 19:41:39 |
| Message-ID: | 14530.1536781299@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk> writes:
> "Tom" == Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> writes:
> Tom> We'd likely need a switch to control that. If memory serves, there
> Tom> used to be such a switch, but we got rid of the postmaster's
> Tom> setsid call and the switch too. We probably should dig in the
> Tom> archives and review the reasoning about that.
> The tricky part about doing setsid() is this: you're not allowed to do
> it if you're already a process group leader. silent_mode worked by
> having postmaster do another fork, exit in the parent, and do setsid()
> in the child.
Hmph. Can't we just ignore that error?
regards, tom lane
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