Authored by DreamPiggy
Committed by GitHub

Merge pull request #2329 from zhongwuzw/fix-async

Minor optimize for dispatch_queue_async_safe
... ... @@ -89,7 +89,7 @@ FOUNDATION_EXPORT NSString *const SDWebImageErrorDomain;
#ifndef dispatch_queue_async_safe
#define dispatch_queue_async_safe(queue, block)\
if (strcmp(dispatch_queue_get_label(DISPATCH_CURRENT_QUEUE_LABEL), dispatch_queue_get_label(queue)) == 0) {\
if (dispatch_queue_get_label(DISPATCH_CURRENT_QUEUE_LABEL) == dispatch_queue_get_label(queue)) {\
block();\
} else {\
dispatch_async(queue, block);\
... ...