Re: applicationWillTerminate and asynchronous orderly shutdown
Re: applicationWillTerminate and asynchronous orderly shutdown
- Subject: Re: applicationWillTerminate and asynchronous orderly shutdown
- From: "Hamish Allan" <email@hidden>
- Date: Tue, 10 Jun 2008 21:41:21 +0100
On Tue, Jun 10, 2008 at 9:12 PM, Stuart Malin <email@hidden> wrote:
> I have an app that establishes multiple TCP connections. If the user quits
> the app, I'd like to shut all those connections gracefully (i.e., conduct a
> bit of protocol) rather than just close them abruptly. To most properly
> handle this, I should even wait for the servers' responses. I am currently
> initiating the graceful shutdown in applicationWillTerminate but... how
> should I best wait for the connections to close: spin in a loop and check
> them? and set a timer for a timeout? Or, is there another way to more
> properly handle asynchronous activity at application termination?
You could override applicationShouldTerminate:, return
NSTerminateLater, and then call replyToApplicationShouldTerminate:
when you've finished shutting down your connections. (You should
probably also give the user the option to "Terminate Now".)
Hamish
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