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Re: kernel sysctl

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Re: kernel sysctl

Subject: Re: kernel sysctl
From: Brian Bergstrand <email@hidden>
Date: Thu, 2 Mar 2006 15:42:41 -0600

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On Mar 2, 2006, at 3:28 PM, Shaun Wexler wrote:

From a kext, how can I retrieve the sysctl "kern.osrevision" using valid KPI? It doesn't seem to be recognized by sysctlbyname()...

You can't. Only certain "hw" sub-values are supported via the sysctlbyname() KPI. However, the version_* vars are exported by the LibKern kpi. Those should give you the data you need.

$ nm -m /System/Library/Extensions/System.kext/PlugIns/Libkern.kext/ Libkern | grep version_ (undefined) external _version_major (undefined) external _version_minor (undefined) external _version_prerelease_level (undefined) external _version_revision (undefined) external _version_stage (undefined) external _version_variant


Brian Bergstrand
<http://www.bergstrand.org/brian/>   PGP Key ID: 0xB6C7B6A2

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  >kernel sysctl (From: Shaun Wexler <email@hidden>)




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