Re: Shared memory and Mac OS X

have you tried using /etc/sysctl.conf and saving the shmax value there?

On Thu, 20 Jan 2005 21:51:02 -0600, Wes wrote
> The problem with not being able to set shmmax and shmall in a
> startup script in Mac OS X is not that you are setting them too late
> in the boot process. It is that you can set them only once. In fact,
> you can set them from a terminal window after booting and logging
> in - as long as they haven't already been set.
>
> If you comment out the sysctl's for shmall and shmmax in /etc/rc,
> reboot, then log in and bring up a terminal window, you will see
> that they are set to -1. You can then set them to whatever you want
> (as root of course). However, if you try to set the value again, the
> first value remains set.
>
> Unfortunately, this doesn't help much, as Apple's default /etc/rc
> sets values. If you comment out these, you can set the values in a startup
> script, but you're still screwed when the next update re-enables the
> settings in /etc/rc, which are set before SystemStarter is called.
> I guess the best you can do is have a startup script that notifies
> you if the values are wrong.
>
> Wes
>
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--
Jonel Rienton
http://jonel.road14.com