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Replacing #781 - based on http://blog.benjamin-encz.de/post/main-queue-vs-main-thread/, background queue can execute code on the main thread, so we need to check for the main queue to assure safety

This commit is contained in:
Bogdan Poplauschi 2016-09-30 13:17:57 +03:00
parent 2b721a6e30
commit 062e50aa10
1 changed files with 1 additions and 1 deletions
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SDWebImage/SDWebImageCompat.h
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@ -107,7 +107,7 @@ extern NSString *const SDWebImageErrorDomain;
} }
#define dispatch_main_async_safe(block)\ #define dispatch_main_async_safe(block)\
if ([NSThread isMainThread]) {\ if (strcmp(dispatch_queue_get_label(DISPATCH_CURRENT_QUEUE_LABEL), dispatch_queue_get_label(dispatch_get_main_queue())) == 0) {\
block();\ block();\
} else {\ } else {\
dispatch_async(dispatch_get_main_queue(), block);\ dispatch_async(dispatch_get_main_queue(), block);\