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Date:      Thu, 23 Aug 2001 08:37:11 -0500
From:      Alfred Perlstein <bright@mu.org>
To:        Bernd Walter <ticso@mail.cicely.de>
Cc:        freebsd-hackers@freebsd.org
Subject:   Re: mmap MAP_INHERIT question.
Message-ID:  <20010823083711.Z81307@elvis.mu.org>
In-Reply-To: <20010823131625.A26135@cicely20.cicely.de>; from ticso@mail.cicely.de on Thu, Aug 23, 2001 at 01:16:25PM %2B0200
References:  <20010823131625.A26135@cicely20.cicely.de>

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* Bernd Walter <ticso@mail.cicely.de> [010823 06:16] wrote:
> I do the following:
>         buf = (char*)mmap(NULL, BUFSIZE, PROT_READ | PROT_WRITE,
> 	    MAP_ANON | MAP_INHERIT | MAP_SHARED, -1, 0);
> 
> Now I vfork/execve a child.
> But the child can't access the mmaped memory.
> It was my understanding that MAP_INHERIT | MAP_SHARED keep the memory
> over the execve.

Without sample code this is impossible to explain.

-- 
-Alfred Perlstein [alfred@freebsd.org]
Ok, who wrote this damn function called '??'?
And why do my programs keep crashing in it?

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