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by saagarjha
2958 days ago
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> I was calling Cocoa stuff from separate threads which is almost never guaranteed to work on macOS (the UI is explicitly not thread-safe) It seems to me that you know what's wrong here, but just in case you don't, most UI work should be done on the main thread. There are certain lower-lever layer APIs that IIRC do explicitly allow for calls from multithreaded contexts, but other than that stick to the main thread. There's actually a new tool, the thread sanitizer, that helps you adhere to this by flagging all misuse of Cocoa outside the main thread. |
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