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Re: problem with updates to file last modified time
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Re: problem with updates to file last modified time


  • Subject: Re: problem with updates to file last modified time
  • From: "Quinn \"The Eskimo!\"" <email@hidden>
  • Date: Mon, 05 Dec 2016 07:46:12 +0000

On 3 Dec 2016, at 21:55, Thomas Tempelmann <email@hidden> wrote:

> FAT is 2s, IIRC. (correct me if I'm wrong)

Right.

> Date resolution:
>
> 2 seconds for last modified time,
> 10 ms for creation time,
> 1 day for access date,
> 2 seconds for deletion time

<https://en.wikipedia.org/wiki/File_Allocation_Table>

                   *                   *                   *

Looking to the future, APFS has 1 ns timestamps.

<https://developer.apple.com/library/content/documentation/FileManagement/Conceptual/APFS_Guide/VolumeFormatComparison/VolumeFormatComparison.html#//apple_ref/doc/uid/TP40016999-CH8-DontLinkElementID_21>

Share and Enjoy
--
Quinn "The Eskimo!"                    <http://www.apple.com/developer/>
Apple Developer Relations, Developer Technical Support, Core OS/Hardware



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References: 
 >problem with updates to file last modified time (From: Alan Snyder <email@hidden>)
 >Re: problem with updates to file last modified time (From: Chris Murphy <email@hidden>)
 >Re: problem with updates to file last modified time (From: Thomas Tempelmann <email@hidden>)

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