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From: Victor Nazarov <vir@comtv.ru>
To: Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu>
Subject: Re: [9fans] APE fork()
Date: Sat, 12 Aug 2006 17:00:00 +0400	[thread overview]
Message-ID: <44DDD0D0.1020104@comtv.ru> (raw)
In-Reply-To: <244c66f368a1f475aa51195812191aac@mail.gmx.net>

Sascha Retzki wrote:

>>POSIX-fork() copies data and bss segmets, child process doesn't share 
>>data with it's parent. 
>>    
>>
>
>I thought it does share the segments. And I think I saw this behaviour on Linux and some BSDs.
>
>
>Maybe my minds fools me again
>  
>
Fork copies memory, see man pages or google for
it.  When fork() occurs, child process inherits
the exact copy of parents memory at the time of
fork.  So child will see all changes and settings,
you have done _befor_ fork.  You may take this
behavior for sharing memory.

--

Victor




  parent reply	other threads:[~2006-08-12 13:00 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-08-12 12:15 Sascha Retzki
2006-08-12 12:42 ` Victor Nazarov
2006-08-12 12:40   ` Sascha Retzki
2006-08-12 12:55     ` Charles Forsyth
2006-08-12 13:00     ` Victor Nazarov [this message]
2006-08-12 14:44   ` david bulkow
2006-08-12 15:09     ` Sascha Retzki
2006-08-12 15:14     ` Victor Nazarov
2006-08-12 15:15     ` Russ Cox
2006-08-12 15:43       ` Leonardo Valencia
2006-08-12 17:22       ` Brantley Coile
2006-08-12 17:54         ` erik quanstrom
2006-08-12 18:57           ` Bakul Shah
2006-08-12 19:54       ` Charles Forsyth
2006-08-12 20:07         ` erik quanstrom
2006-08-14  4:04           ` Iruatã Souza
2006-08-14  4:33             ` erik quanstrom
2006-08-14 14:41               ` Ronald G Minnich
2006-08-14 14:48                 ` erik quanstrom
2006-08-14 14:56                   ` Ronald G Minnich
2006-08-14 15:25                     ` erik quanstrom
2006-08-14 14:59                 ` Martin Neubauer
2006-08-14 15:33                   ` John Floren
2006-08-14 15:57                     ` erik quanstrom
2006-08-14 13:48       ` Dave Lukes
2006-08-15  4:19       ` William Josephson

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