Re: [HACKERS] why do shmem attach?
| От | Vadim Mikheev | 
|---|---|
| Тема | Re: [HACKERS] why do shmem attach? | 
| Дата | |
| Msg-id | 37E5DAFB.18D54027@krs.ru обсуждение исходный текст | 
| Ответ на | RE: [HACKERS] why do shmem attach? ("Hiroshi Inoue" <Inoue@tpf.co.jp>) | 
| Ответы | Re: [HACKERS] why do shmem attach? Re: [HACKERS] why do shmem attach? | 
| Список | pgsql-hackers | 
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 -:)
Vadim
		
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