Re: Patch to add Windows 7 support

Dave Page <dpage(at)pgadmin(dot)org> writes:
> The attached patch adds support for the Windows 7 beta which we've had
> a few reports of incompatibility with. When we startup using pg_ctl on
> Windows, we create a job object (a logical grouping of processes on
> Windows) to which we apply various security options. One of these
> (JOB_OBJECT_UILIMIT_HANDLES) is used to prevent our processes seeing
> handles belonging to processes outside of our job, however, when we
> run under the service control manager, this causes the postmaster to
> exit immeditately for no apparent reason.

> I'm not entirely sure what has change in the SCM to cause this yet
> (Windows 7 documentation is somewhat thin on the ground at the
> moment), but the patch avoids theporblem by only setting
> JOB_OBJECT_UILIMIT_HANDLES on earlier OSs.

It would be good to understand what the problem actually is and what are
the risks of running without this flag. I assume we put it in there
for a reason.

regards, tom lane