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what does negative thread id mean?

Open GuDuJian-J-Zhang opened this issue 2 years ago • 0 comments

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from my understand, if dispatch_thread_id less than 4, this code here will lead to an negative thread id.

what does the meaning of this situation?

GuDuJian-J-Zhang avatar Jul 07 '23 07:07 GuDuJian-J-Zhang