The hockeyApp framework has a lot explanation about this: https://www.hockeyapp.net/help/sdk/mac/4.0.2/Classes/BITCrashExceptionApplication.html
Best Georg Seifert > Am 14.06.2018 um 14:33 schrieb Casey McDermott <supp...@turtlesoft.com>: > > Thanks, this is all useful info. I checked NSExceptionHandler and > NSUncaughtExceptionHandler, but they are just for logging before termination. > NSRunLoop is accessible but there's not much there. > > However, simply replacing the C++ throw with a Cocoa exception via > [NSException raise : errString format : errString]; seems to work great. > Apparently it unwinds the call stack and is swallowed in the run loop. > > It doesn't use the error string but that's fine. We already show a dialog > before the throw, with file & line number. Helps enormously for fixing bugs. > > Thanks for all the help, > > Casey McDermott > > -------------------------------------------- > On Thu, 6/14/18, Alastair Houghton <alast...@alastairs-place.net> wrote: > > Subject: Re: Exception handling > To: "Jens Alfke" <j...@mooseyard.com> > Cc: "Casey McDermott" <supp...@turtlesoft.com>, "cocoa-dev list" > <cocoa-dev@lists.apple.com> > Date: Thursday, June 14, 2018, 1:11 PM > > On 14 Jun > 2018, at 18:00, Jens Alfke <j...@mooseyard.com> > wrote: > > On Jun 13, 2018, at 7:22 > PM, Casey McDermott <supp...@turtlesoft.com> > wrote: > > Our Carbon event loop had > a try/catch block, which caught most exceptions, and then > continued. It started > as an expedient in early production, but it remained in > production code > since > it often allows users to continue, save their work, etc. > > > That's actually how > Cocoa used to work. I can't recall whether an alert > panel popped up or if it was just silent. The behavior > changed to crashing sometime in the past, um, 8 years or > so. > > I don’t > think it’s changed in any obvious way; the framework has > always swallowed exceptions in certain contexts, but not in > others. Obviously the precise detail may have changed over > time, but it’s certainly crashed on exceptions for as long > as I remember, outside of the places where they get ignored > for whatever reason. > Is there a way to override > the event loop in Cocoa? Some other way we can escape to > > the event loop and > then continue from there? > > There used to be either a callback or > an overridable NSApplication method to handle an uncaught > exception, but looking at current headers I can't find > what I'm looking for; maybe it's been gone for a > long time and removed? > > Perhaps > you’re thinking of NSSetUncaughtExceptionHandler()? I > don’t think there’s much you can usefully do from that, > though, besides logging the exception. > Kind regards, > Alastair. > --http://alastairs-place.net > > _______________________________________________ > > 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: > https://lists.apple.com/mailman/options/cocoa-dev/georg.seifert%40gmx.de > > This email sent to georg.seif...@gmx.de _______________________________________________ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com