我有三个文件:
助手.py
from globalvariables import *
global exit_signal
global exited_signal
def helperstart():
global exited_signal
while True:
if exit_signal is True:
exited_signal = True
print ('Exiting from helper thread')
return
主.py
from globalvariables import *
import threading
import helper
global exit_signal
global exited_signal
def mainstart():
global exit_signal
helper_thread = threading.Thread(target = helper.helperstart)
input ('Press <enter> to start the thread')
helper_thread.start()
input ('Press <enter> to end the thread')
exit_signal = True
# check if helper has exited
if exited_signal is True:
print ('Helper exited successfully')
if __name__ == '__main__':
mainstart()
全局变量.py
exit_signal = False
exited_signal = False
从main.py
,exit_signal
的值应编辑为True。这将使helper线程退出。但它并没有退出。我试过从helperstart()
函数中打印exit_signal
的值,结果一直显示为False。因此,main.py
没有正确编辑变量。请帮我找出原因。你知道吗
目前没有回答
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