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Re: Checking file modification dates in NSDocument
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Re: Checking file modification dates in NSDocument


  • Subject: Re: Checking file modification dates in NSDocument
  • From: Sanford Selznick <email@hidden>
  • Date: Fri, 28 Jul 2006 14:04:15 -0700

At 1:53 PM -0700 7/28/06, Jordan Krushen wrote:
On 7/28/06, Sanford Selznick <email@hidden> wrote:

At 11:40 AM -0700 7/28/06, Jordan Krushen wrote:

>Then you're aware that all of the other work you're doing is
ultimately for nothing, due to the inherent race condition between
when you check for changes and when you commit the new file?

You are right, of course.  File Locking is the right solution.
Unfortunately it's a royal pain the butt.  And every app has to do it.

So what's the solution? Stop using NSDocument?

I haven't yet done this with Cocoa myself, but perhaps NSDistributedLock would be something to try:

<file:///Developer/ADC Reference Library/documentation/Cocoa/Reference/Foundation/Classes/NSDistributedLock_Class/Reference/Reference.html>

I wonder if this will handle users renaming/moving files that NSDocument has "open".


Hmm.

Thanks!
  Sanford
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References: 
 >Re: Checking file modification dates in NSDocument (From: "Jordan Krushen" <email@hidden>)
 >Re: Checking file modification dates in NSDocument (From: "Jordan Krushen" <email@hidden>)

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