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Use of CFReadStreamRead interferes with SCNetworkReachabilityCallBack

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Use of CFReadStreamRead interferes with SCNetworkReachabilityCallBack

Subject: Use of CFReadStreamRead interferes with SCNetworkReachabilityCallBack
From: David Niemeijer <email@hidden>
Date: Fri, 22 Apr 2005 17:32:41 +0200

Hi,

Following earlier advice on this list I am migrating from SCNetworkCheckReachabilityByName to the Panther API as demonstrated in this sample code: http://developer.apple.com/samplecode/SimpleReach/SimpleReach.html

My callback is called correctly each time the network changes, but as soon as CFReadStreamRead has been called because I started a download my SCNetworkReachabilityCallBack is no longer called when the network changes (also if the download has terminated long ago; I am calling CFReadStreamSetClient, CFReadStreamUnscheduleFromRunLoop, CFReadStreamClose and CFRelease to clean up after the download). If I don't call CFReadStreamRead netwrok changes are always reported instantly.

Anyone an idea what might be going on here? This is on 10.3.8

Thanks,

david.
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