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Re: Performance issue on macOS 10.15 obtaining display name for ~/Desktop, ~/Documents, and ~/Downloads
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Re: Performance issue on macOS 10.15 obtaining display name for ~/Desktop, ~/Documents, and ~/Downloads


  • Subject: Re: Performance issue on macOS 10.15 obtaining display name for ~/Desktop, ~/Documents, and ~/Downloads
  • From: Allan Odgaard via Cocoa-dev <email@hidden>
  • Date: Sat, 23 May 2020 07:18:51 +0700

On 22 May 2020, at 21:59, Aandi Inston wrote:

1. I wonder if your tests are in a non-English language system.

No, running on a non-localized system, and the evidence is overwhelming that this is about SIP / AMFI (based on inspecting the stack trace, which clearly show communication between the process and Apple’s various security policy daemons).

3. I wonder if the other testers who could not reproduce this were using an
English language system.

There is plenty of people who have confirmed the issue. There was one on this list who said he couldn’t reproduce, but he also said he changed the code to NSLog, so I wonder if he ran from Xcode, in which case the new process probably inherited Xcode’s privileges, and I have just learned that some users have a Developer Tools under System Preferences → Security & Privacy. Adding something to this group seems to disable a lot of security checks (and all child processes).

I currently do not see this category on my system though, and based on comments, I am not alone.
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References: 
 >Re: Performance issue on macOS 10.15 obtaining display name for ~/Desktop, ~/Documents, and ~/Downloads (From: Allan Odgaard via Cocoa-dev <email@hidden>)
 >Re: Performance issue on macOS 10.15 obtaining display name for ~/Desktop, ~/Documents, and ~/Downloads (From: Aandi Inston via Cocoa-dev <email@hidden>)

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