# Python program killing# threads using stop# flagimportthreadingimporttimedefrun(stop):whileTrue:print('thread running')ifstop():breakdefmain():stop_threads=Falset1=threading.Thread(target=run,args=(lambda:stop_threads,))t1.start()time.sleep(1)stop_threads=Truet1.join()print('thread killed'...
打开一个新的文件编辑器窗口,并保存为 stopwatch.py。 第1 步:设置程序来记录时间 #! python3 # stopwatch.py - A simple stopwatch program. import time # Display the program's instructions. print('Press ENTER to begin. Afterwards, press ENTER to "click" the stopwatch.Press Ctrl-C to quit....
if stop_threads: #精髓在这里,这算是最直接的方法了,我也用的这个方法 break stop_threads = False t1 = threading.Thread(target = run) t1.start() time.sleep(1) stop_threads = True t1.join() print('thread killed') 上面的代码中,只要全局变量stop_threads被设置,目标函数run()就停止了,然后我们...
Threads interact strangely with interrupts: theKeyboardInterruptexception will be received by an arbitrary thread. (When thesignalmodule is available, interrupts always go to the main thread.) Callingsys.exit()or raising theSystemExitexception is equivalent to calling_thread.exit(). Not all built-in...
0.5) if p.exitcode is None and not p.is_alive(): # Not finished and not running ...
pythonapi.PyThreadState_SetAsyncExc(tid, None) raise SystemError("PyThreadState_SetAsyncExc failed") def stop_thread(thread): _async_raise(thread.ident, SystemExit) def get_thread(): pid = os.getpid() while True: ts = threading.enumerate() print '--- Running threads On Pid: %d ---...
ts = threading.enumerate()print'--- Running threads On Pid: %d ---'% pidfortints:printt.name, t.ident, t.is_alive()ift.name =='Thread-test2':print'I am go dying! Please take care of yourself and drink more hot water!'stop_thread(t)printtime.sleep(1) 输出 root@10...
打开一个新的文件编辑器标签,并将其保存为stopwatch.py。 第一步:设置程序跟踪时间 秒表程序需要使用当前时间,所以您需要导入time模块。你的程序还应该在调用input()之前给用户打印一些简短的指令,这样用户按下Enter后定时器就可以开始计时了。然后代码将开始跟踪圈速。
() # 获取输入内容 try: if text and self.Serial.is_open: # print(text.encode('utf-8')) self.Serial.write(text.encode('utf-8')) # 发送数据将数据转换成 utf-8 格式发送 except Exception as error: print(error) # 打开串口槽函数 @Slot() def pBtn_Serial_Open_Slot(self): stop_bit =...
打开一个新的文件编辑器标签,并将其保存为stopwatch.py。 第一步:设置程序跟踪时间 秒表程序需要使用当前时间,所以您需要导入time模块。你的程序还应该在调用input()之前给用户打印一些简短的指令,这样用户按下Enter后定时器就可以开始计时了。然后代码将开始跟踪圈速。