The callbacksForURL: method of SDWebImageDownloader now returns a copied array. This should fix the crash in multithread environment such as:

Collection <__NSArrayM: 0x226d9310> was mutated while being enumerated.
2013-08-13 10:40:46 +02:00 · 2013-08-13 10:40:46 +02:00 · f356b86c29
parent fa987a1818
commit f356b86c29
1 changed files with 1 additions and 1 deletions
--- a/SDWebImage/SDWebImageDownloader.m
+++ b/SDWebImage/SDWebImageDownloader.m
@ -208,7 +208,7 @@ static NSString *const kCompletedCallbackKey = @"completed";
    {
        callbacksForURL = self.URLCallbacks[url];
    });
-    return callbacksForURL;
+    return [callbacksForURL copy];
 }

 - (void)removeCallbacksForURL:(NSURL *)url