Re: CFRunLoopStop
Re: CFRunLoopStop
- Subject: Re: CFRunLoopStop
- From: Dave Camp <email@hidden>
- Date: Thu, 4 Mar 2004 11:32:12 -0800
On Mar 4, 2004, at 10:36 AM, Dustin Voss wrote:
On 3 Mar, 2004, at 11:00 PM, Todd Lair wrote:
I've been using a secondary RunLoop in a thread, and it has DO
NSConnections as well as NSTimers. This loop runs until the thread
is ready to exit, and I was able to remove or invalidate those
sources which caused the thread's loop to return from the run method
call.
Now, I've added an NSURLConnection to the mix, and I'm using this
asynchronously. However, I cannot, no matter what I try to do,
figure out how to remove the sources it adds so my run loop will end.
I've tried, honest.
I'm going to try and use CFRunLoopStop. However, before I give this
a shot, I'd like to know that a run loop cleans up its own sources
when deconstructred. Once returning from run, I'll be exiting the
thread which I assume releases the loop for the thread. Does the
runloop deallocate its sources as well when it does this?
I could figure this out, but I've been banging my head on this one
for a couple of days, and I have quite a few dents in my head. I
thought if someone new, maybe it would save me some extra brain
damage.
At least for NSRunLoop, the better way to stop a loop is to run it for
a short time, check to see if you should exit, run it for a short time
again, etc. As for your question, if the run loop retained its
sources, it will release its sources when deallocated.
I've tried CRunLoopStop, and it did not work for me. After some
searching in the list archives, Apple's expectations are that you will
either use NSRunLoop in a polled fashion (run it for a bit, check your
looping variable, repeat...) or just run the runloop and call exit() to
terminate the app when you are done. There apparently is no other
provisions for escaping from a runloop.
Dave
---
Among the chief weapons of UNIX: Fear, surprise and ruthless
efficiency.
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