Re: Feature: POSIX Shared memory support

"Takayuki Tsunakawa" <tsunakawa.takay@jp.fujitsu.com> writes:
> From: "Tom Lane" <tgl@sss.pgh.pa.us>
>> the POSIX API provides no way to detect whether anyone else is
>> attached to the segment.  Not being able to tell that is a tremendous
>> robustness hit for us.

> How is this done on Windows?  Is it possible to count the number of
> processes that attach a shared memory?

AFAIK the Windows port is simply wrong/insecure on this point --- it's
one of the reasons you'll never see me recommending Windows as the OS
for a production Postgres server.

            regards, tom lane