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Added checking that sessionTask hasn't been added during creation of previous one

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This commit is contained in:
Victor Mayorov 2015-06-10 17:58:35 +03:00
parent 7359e2255d
commit 9c20edb310
1 changed files with 5 additions and 1 deletions
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6
AsyncDisplayKit/Details/ASBasicImageDownloader.mm
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@ -154,7 +154,11 @@ static ASDN::RecursiveMutex currentRequestsLock;
if (self.isCancelled) {
return nil;
}
if (self.sessionTask && (self.sessionTask.state == NSURLSessionTaskStateRunning)) {
return nil;
}
self.sessionTask = newTask;
return self.sessionTask;