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sysctl.proc_exec_affinity to force launching of 32-bit flavor?

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sysctl.proc_exec_affinity to force launching of 32-bit flavor?

Subject: sysctl.proc_exec_affinity to force launching of 32-bit flavor?
From: Jim Correia <email@hidden>
Date: Thu, 12 Mar 2009 02:36:07 -0400

Suppose I have a binary built with ppc, i386 and x86_64 architectures.

Also suppose that on a particular OS release, I want to ensure that when I exec that binary, the i386 variant runs, not the x86_64.

For bundled applications, I can influence this through the LS keys. Before I exec the tool, I've tried setting sysctl.proc_exec_affinity to CPU_TYPE_X86 but the 64-bit version is executed. (Setting the affinity to ppc seems to work.)

Am I overlooking something?

Jim
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