[英]Multiprocessing pipes on windows with python
Windows是否支持multithreading.pipes()? 如果是,那么此代碼有什么問題? 我需要使用減少量嗎? 該代碼掛在p2.recv()上,從命令行運行時出現RuntimeError。
import multiprocessing
def ProcessCreator(pipe):
pipe.send("hello from other process")
p1, p2 = multiprocessing.Pipe()
proc = multiprocessing.Process(target = ProcessCreator, args = (p2,))
proc.start()
print p1.recv()
if __name__ == "__main__":
multiprocessing.freeze_support()
您需要將管道代碼放入__name__ =='__main__'部分。( 為什么? )並將p2.recv更改為p1.recv
import multiprocessing
def ProcessCreator(pipe):
pipe.send("hello from other process")
if __name__ == "__main__":
multiprocessing.freeze_support()
p1, p2 = multiprocessing.Pipe()
proc = multiprocessing.Process(target = ProcessCreator, args = (p2,))
proc.start()
print p1.recv()
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