Re: Proposal to add a QNX 6.5 port to PostgreSQL

I am reaching out to our QNX support contacts today, I will let you know how they respond.

Keith Baker

> -----Original Message-----
> From: Alvaro Herrera [mailto:alvherre@2ndquadrant.com]
> Sent: Friday, August 22, 2014 10:42 AM
> To: Andres Freund
> Cc: Baker, Keith [OCDUS Non-J&J]; Robert Haas; Tom Lane; pgsql-
> hackers@postgresql.org
> Subject: Re: [HACKERS] Proposal to add a QNX 6.5 port to PostgreSQL
>
> Andres Freund wrote:
> > Hi,
> >
> > On 2014-08-21 15:25:44 +0000, Baker, Keith [OCDUS Non-J&J] wrote:
> > > About SA_RESTART:
> > > ------------------------
> > > I would like to offer you a different perspective which may alter your
> current opinion.
> > > I believe the port.h QNX macro replacement for SA_RESTART is still a
> reasonable solution on QNX for these reasons:
> > >
> > > First, I think it is better to adapt PostgreSQL to suit the platform
> > > than to adapt the platform to suit PostgreSQL.
> >
> > Well. That might be somewhat true for a popular platform. Which QNX
> > really isn't. I personally don't believe your approach to be likely to
> > end up with a correct and maintainable port.
> >
> > > Changing default behavior of libc on QNX to suit PostgreSQL may
> > > break other applications which rely on the current behavior of libc.
> >
> > I don't see how *adding* SA_RESTART support which would only be used
> > when SA_RESTART is being passed to sigaction(), would do that.
>
> I guess the important question here is how much traction does Keith have
> with the QNX development group.
>
> --
> Álvaro Herrera                http://www.2ndQuadrant.com/
> PostgreSQL Development, 24x7 Support, Training & Services