Re: [HACKERS] why do shmem attach?

> Hiroshi Inoue wrote:
> >
> > Where do we attach to shmem after fork() ?
> > I couldn't find the place.
>
> Ops, sorry, you're right - postinit.c:InitCommunication():
>
> if (!IsUnderPostmaster) /* postmaster already did this */
> {
> PostgresIpcKey = key;
> AttachSharedMemoryAndSemaphores(key);
> }
>
> Though, AttachSharedMemoryAndSemaphores():
>
> if (key == PrivateIPCKey)
> {
> CreateSharedMemoryAndSemaphores(key, 16);
> return;
> }
>
> ... and useless shmem attachment stuff follows after this ...
>
> Cleanup is still required, but subj is closed, thanks -:)

My guess is that this is something I missed when removing the exec().

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