On 18 June 2016 at 02:42, Robert Haas <robertmh...@gmail.com> wrote: > On Fri, Jun 17, 2016 at 2:23 PM, Aleksey Demakov <adema...@gmail.com> > wrote: > > Essentially this is pessimizing for the lowest common denominator > > among OSes. > > I totally agree. That's how we make the server portable. > > > Having a contiguous address space makes things so > > much simpler that considering this case, IMHO, is well worth of it. > > I think that would be great if you could make it work, but it has to > support Linux, Windows (all supported versions), MacOS X, all the > various BSD flavors for which we have buildfarm animals, and other > platforms that we currently run on like HP-UX. If you come up with a > solution that works for this on all of those platforms, I will shake > your hand. But I think that's probably impossible, or at least > really, really hard. >
Indeed. In particular, ASLR on Windows or anywhere we EXEC_BACKEND will cause difficuties attaching to those segments. -- Craig Ringer http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services
