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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