Use isMainThread to check if we're on the main thread #3067
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This is an alternative to which is unreliable
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This is an alternative to using
dispatch_queue_get_label(queue) == dispatch_queue_get_label(DISPATCH_CURRENT_QUEUE_LABEL)which is unreliable for the main thread.See here: https://stackoverflow.com/a/23957282/305324
Attached is the crash logs I've been seeing, FYI
global-selection-crash.txt