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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