Re: pg_waldump stucks with options --follow or -f and --stats or -z - Mailing list pgsql-hackers

From Bharath Rupireddy
Subject Re: pg_waldump stucks with options --follow or -f and --stats or -z
Date
Msg-id CALj2ACVHb8Gx7o0bHKbk8j=WcpmAesqp0+=Bq2MXr6e2kAJk1g@mail.gmail.com
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In response to Re: pg_waldump stucks with options --follow or -f and --stats or -z  (Bharath Rupireddy <bharath.rupireddyforpostgres@gmail.com>)
Responses Re: pg_waldump stucks with options --follow or -f and --stats or -z
List pgsql-hackers
On Mon, Nov 29, 2021 at 1:16 PM Bharath Rupireddy
<bharath.rupireddyforpostgres@gmail.com> wrote:
>
> On Mon, Nov 29, 2021 at 11:09 AM Michael Paquier <michael@paquier.xyz> wrote:
> >
> > On Sun, Nov 28, 2021 at 12:13:08PM +0530, Bharath Rupireddy wrote:
> > > Thanks. Here's the v5.
> >
> > By the way, one thing that I completely forgot here is that SIGINT is
> > not handled on Windows.  If we want to make that work for a WIN32
> > terminal, we would need to do something similar to
> > src/fe_utils/cancel.c where we need to use SetConsoleCtrlHandler() and
> > handle the stats print when facing CTRL_C_EVENT or CTRL_BREAK_EVENT as
> > events.  Perhaps we should try to think harder and have a more
> > centralized facility for the handler part between a WIN32 terminal and
> > SIGINT, as it is not the first time that we need this level of
> > handling.  Or we could just discard this issue, document its WIN32
> > limitation and paint some "#ifdef WIN32" around all the handler
> > portions of the patch.
> >
> > I would be fine with just doing the latter for now, as this stuff is
> > still useful for most users, but that's worth mentioning.  Any
> > opinions?
>
> I'm okay to have the same behaviour as pg_receivewal and pg_recvlogical tools.

Here's the v6 patch that has the SIGINT handling enabled for non-WIN32
platforms (note that I haven't specified anything in the
documentation) much like pg_receivewal and pg_recvlogical.

Regards,
Bharath Rupireddy.

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