"Takayuki Tsunakawa" <tsunakawa(dot)takay(at)jp(dot)fujitsu(dot)com> writes:
> From: "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)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