Re: POSIX shared memory support - Mailing list pgsql-hackers

From Tom Lane
Subject Re: POSIX shared memory support
Date
Msg-id 20441.1206994298@sss.pgh.pa.us
Whole thread Raw
In response to Re: POSIX shared memory support  (Magnus Hagander <magnus@hagander.net>)
Responses Re: POSIX shared memory support  (Magnus Hagander <magnus@hagander.net>)
List pgsql-hackers
Magnus Hagander <magnus@hagander.net> writes:
> James Mansion wrote:
>> (confused) Why can't you use mmap of /dev/zero and inherit the fd
>> into child processes?

> This is what we do on win32 today. We don't use the sysv emulation
> layer anymore.

Did we ever find an interlock that makes the win32 implementation
safe against the postmaster-dead-children-still-alive scenario?
        regards, tom lane


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