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Re: How smart is Rosetta?



On 09/06/2006 11:56 Am, Eric Albert wrote:

> On Jun 10, 2006, at 12:07 AM, Mike Kluev wrote:
> 
>> On Thu, 8 Jun 2006 11:06:34, Ben Weiss <email@hidden> wrote:
>> 
>> Concerning detecting Rosetta:
>> 
>>> This is not the recommended way; for a better way, see http://
>>> developer.apple.com/documentation/MacOSX/Conceptual/universal_binary/
>>> universal_binary_exec_a/chapter_7_section_7.html
>>> 
>>> The sample code is a little more elaborate than necessary because
>>> it's designed around the idea of testing any PID to see if it's
>>> running in Rosetta, not just your own PID. In listing A-4, change
>>> sysctlbyname_with_pid to a plain sysctlbyname to simplify it. Or if
>>> you don't mind either way, just copy all the code and pass a PID
>>> of 0.
>> 
>> Shouldn't gestaltNativeCPUfamily or gestaltNativeCPUfamily selectors
>> be used to detect if application is running under Rosetta?
>> E.g. gestaltProcessorType gives 'PPC' and gestaltNativeCPUfamily
>> gives 'i86'. Just an idea, I didn't test that.
> 
> The only supported way to detect whether an application is running in
> Rosetta is the one at the URL mentioned above.  Other things which
> may work today are not supported.

I believe gestalt selector would be better for carbonland.
rdar://4581510

Mike

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References: 
 >Re: How smart is Rosetta? (From: Eric Albert <email@hidden>)



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