BOUNCE rtl@rtlinux.org: Approval required: Non-member submissionfrom ["Shane D'Arcy" <sdarcy@measuresoft.com>] (fwd)

[Der Herr Hofrat <der.herr@hofr.at>]

>From owner-rtl Sun Jun 24 21:02:00 2001
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Subject: [rtl] Shared memory
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Date: Mon, 18 Jun 2001 23:39:46 +0100
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From: "Shane D'Arcy" <sdarcy@measuresoft.com>
To: <rtl@rtlinux.org>
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X-Auto-Forward: zjsnap@21cn.com
 j.zhang@unsw.edu.au

Hi all,
I downgraded my kernel to 2.4.1. and added the RTLinux kernel patch v3.0
as advised earlier, however I still cannot get named shared memory to
work. My test programs will compile fine but will not link, can anyone
tell me, is named shared memory implemented for Linux. I am growing
weary of recompiling the kernel, to find that it does not work. Has
anyone ever used any of the named shared memory, named semaphore or
named mutex functions especially shm_open() and sem_open() etc etc. They
are in the 1997 Unix specifications, they are defined in the header
files on my machine but they don't seem to be in any of the libraries, I
find it very strange that I cannot get this to work, maybe I am looking
in all the wrong places but I cannot find any documentation on how to
configure this on a Linux system. I was also told to enable the virtual
memory file system support and mount it, and that may work. I can not
see an option for this in the kernel configuration tools, how should I
enable this? 


Kind regards
Shane

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