All bets are off if you do unsupported things inside of a signal handler. For instance it is possible that the routines used to write the file *seemed* to complete successfully when they, in fact, didn't. In which case the code went along its merry way and did the rename.
On Sun, Mar 29, 2009 at 12:35 PM, Michael Vannorsdel <mikev...@gmail.com> wrote: > 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! > > _______________________________________________ > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > http://lists.apple.com/mailman/options/cocoa-dev/clarkcox3%40gmail.com > > This email sent to clarkc...@gmail.com > -- Clark S. Cox III clarkc...@gmail.com _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
