“+[SomeClass initialize] may have been in progress in another thread when fork() was called”
2017-12-07 17:26
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python multiprocessing程序运行时，报错：
解决方法：添加环境变量：
附图：
参考：
http://sealiesoftware.com/blog/archive/2017/6/5/Objective-C_and_fork_in_macOS_1013.html
objc[2483]: +[__NSPlaceholderDate initialize] may have been in progress in another thread when fork() was called. objc[2483]: +[__NSPlaceholderDate initialize] may have been in progress in another thread when fork() was called. We cannot safely call it or ignore it in the fork() child process. Crashing instead. Set a breakpoint on objc_initializeAfterForkError to debug.
解决方法：添加环境变量：
OBJC_DISABLE_INITIALIZE_FORK_SAFETY=YES
附图：
参考：
http://sealiesoftware.com/blog/archive/2017/6/5/Objective-C_and_fork_in_macOS_1013.html
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