Re: postgres_fdw uninterruptible during connection establishment / ProcSignalBarrier - Mailing list pgsql-hackers

From Andres Freund
Subject Re: postgres_fdw uninterruptible during connection establishment / ProcSignalBarrier
Date
Msg-id 20230110020501.bujiesmhe2fuka42@awork3.anarazel.de
Whole thread Raw
In response to Re: postgres_fdw uninterruptible during connection establishment / ProcSignalBarrier  (Andres Freund <andres@anarazel.de>)
Responses Re: postgres_fdw uninterruptible during connection establishment / ProcSignalBarrier
List pgsql-hackers
Hi,

On 2023-01-03 12:05:20 -0800, Andres Freund wrote:
> The attached patch adds libpq-be-fe-helpers.h and uses it in libpqwalreceiver,
> dblink, postgres_fdw.

> As I made libpq-be-fe-helpers.h handle reserving external fds,
> libpqwalreceiver now does so. I briefly looked through its users without
> seeing cases of leaking in case of errors - which would already have been bad,
> since we'd already have leaked a libpq connection/socket.
> 
> 
> Given the lack of field complaints and the size of the required changes, I
> don't think we should backpatch this, even though it's pretty clearly buggy
> as-is.

Any comments on this? Otherwise I think I'll go with this approach.

Greetings,

Andres Freund



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