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Re: NSNotification and NSRunLoop

From: Yen-Ju Chen
Subject: Re: NSNotification and NSRunLoop
Date: Wed, 29 Oct 2003 13:13:01 -0500

From: "Chris B. Vetter" <address@hidden>
To: address@hidden
Subject: Re: NSNotification and NSRunLoop
Date: Wed, 29 Oct 2003 09:54:46 -0800

On Wed, 29 Oct 2003 06:18:51 +0000
Richard Frith-Macdonald <address@hidden> wrote:
> Yes ... events  only arrive while a run loop is running ... so you
> need to run the runloop within your while loop.

I was playing with sockets the other day and ran into a similar problem,
Yen-Ju was having (with respect to NSRunLoop and NSNotification).

Basically I did the same as you suggested (put NSRunLoop inside a loop)
and never received any notifications, until the while() finished. When I
put the while() in a separate method, added it to a timer and fired that
one off, it worked... Weird.

 I put the NSRunLoop in the while() and it works.
 I did try fire the while() using NSTimer, but it won't work.
 My situation is a little bit complicated.
 Application A will use NSTask to launch Tool B (containing while loop).
 Application A need to send NSNotification to Tool B.
 There is no NSRunLoop in B (as least I didn't use any).
 I guess that's the reason the NSTimer doesn't really work.



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