问题描述
我正在学习使用 python 进行多处理,但它似乎不适用于 print()
函数和 IDLE 的 shell。
此外,将进程作为守护进程似乎也不起作用,因为当主程序结束时该进程不会被杀死。
这是我写的代码,我希望有人能解释一下可能出错的地方:
import multiprocessing
import time
def proc1(x): # Creates a function to be used inside a process
for i in range(x):
print("proc1 is running") # It seems like the Child Processes doesn't print the "print()" function into the IDLE's shell
if __name__ == '__main__': # Important!!! we dont want to create endless subprocesses by mistake
proc = multiprocessing.Process(name='proc of Python',target=proc1,args=[300000])
proc.daemon = True # make the process a Daemon and get killed with the end of the Main Program - doesn't seems to work in this example,I can see the process keep running on Task Manager
proc2 = multiprocessing.Process(name='proc2 of Python',args=[300000])
proc2.start()
proc.start()
# proc.join()
print('Multi Processing is hard!!\n\n')
解决方法
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