Re: POSIX shared memory support

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От James Mansion
Тема Re: POSIX shared memory support
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Msg-id 47F13D89.2020309@mansionfamily.plus.com
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Ответ на Re: POSIX shared memory support  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: POSIX shared memory support  (Magnus Hagander <magnus@hagander.net>)
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Tom Lane wrote:
> Yeah, I would be far more interested in this patch if it avoided needing
> SysV shmem at all.  The problem is to find an adequate substitute for
> the nattch-based interlock against live children of a dead postmaster.
>
>   
(confused) Why can't you use mmap of /dev/zero and inherit the fd into 
child processes?
(simple enough to do something similar on Win32, even if the mechanism 
isn't identical)



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