Re: NSArchiver atomic?



Yes no surprise..

But if NSArchiver is indeed atomic I would think the saved file would either be saved complete with new data or complete old data and not with partial data in situations like an untimely crash or resource loss. Unless I have the wrong expectation of atomic file writes, which I thought was writing to a temp file and doing a rename at the end to avoid partial state files at the destination.


On Mar 29, 2009, at 1:04 PM, Michael Ash wrote:

You cannot run arbitrary code from a signal handler. The sigaction man
page has a list of what library functions *can* be called from a
signal handler. *Everything* else is off-limits, including all of
Cocoa and all of the Objective-C runtime.

You were doing it wrong, now you're doing it right, and your problem
went away. Seems like no surprise there!

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