From: Christoph Rohland <cr@sap.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [Linux-ia64] Shared memory
Date: Wed, 24 May 2000 18:32:32 +0000 [thread overview]
Message-ID: <marc-linux-ia64-105590678205107@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-105590678205096@msgid-missing>
Hi Ronen,
roneng@ca.ibm.com writes:
> Has anyone had a problem using the shmctl function to change the access
> mode of a shared memory
> block?
>
> What I am doing is allocating shared memory using mode 666, and writing to
> it, then I use shmctl to change its
> mode to 600, switch to another userid using su, and try and read from the
> shared memory block. on ia32 linux
> I get an permission denied error, on ia64 with the latest turbolinux kernel
> and glibc i can read from that memory
> block.
That's an arch independent bug in the shm code. I will try to make a
fix beginning next week.
Thanks for spotting this,
Christoph
--
prev parent reply other threads:[~2000-05-24 18:32 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-05-18 19:25 [Linux-ia64] Shared memory roneng
2000-05-24 18:32 ` Christoph Rohland [this message]
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