為什么multiprocessing的Process類必須要在if __name__="__main__"下調(diào)用，否則報錯？這種情況只在Windows中存在，無法理解網(wǎng)上的解釋

Since Windows has no fork, the multiprocessing module starts a new Python process and imports the calling module. If Process() gets called upon import, then this sets off an infinite succession of new processes (or until your machine runs out of resources). This is the reason for hiding calls to Process() insideif name == "__main__"since statements inside this if-statement will not get called upon import.
鏈接：https://www.zhihu.com/questio...