to.lock.acquire()#锁住对方的账户 to.deposit(amount) to.lock.release() _from.lock.release() a= Account('a', 1000) b= Account('b', 1000)#a往b转账100 t1 = threading.Thread(target=transfer, args=(a, b, 100)) t1.start()#b往a转账200 t2 = threading.Thread(target=transfer, args=(...
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acquire() global num for i in range(10_000_000): num += 1 lock.release()def sub(): lock.acquire() global num for i in range(10_000_000): num -= 1 lock.release()if __name__ == "__main__": lock = threading.Lock() subThread01 = threading.Thread(target=add) subThread02 ...
lock.acquire()# 上锁lock.acquire()# 死锁# 不执行globalnumforiinrange(10_000_000): num -=1lock.release() lock.release()if__name__ =="__main__": lock = threading.Lock() subThread01 = threading.Thread(target=add) subThread02 = threading.Thread(target=sub) subThread01.start() subT...
balance =0lock = threading.Lock()defrun_thread(n):foriinrange(100000):# 先要获取锁:lock.acquire()try:# 放心地改吧:change_it(n)finally:# 改完了一定要释放锁:lock.release() 当多个线程同时执行lock.acquire()时,只有一个线程能成功地获取锁,然后继续执行代码,其他线程就继续等待直到获得锁为止。
acquire() # 上锁 lock.acquire() # 死锁 # 不执行 global num for i in range(10_000_000): num -= 1 lock.release() lock.release() if __name__ == "__main__": lock = threading.Lock() subThread01 = threading.Thread(target=add) subThread02 = threading.Thread(target=sub) sub...
lock.acquire() global num for i in range(10_000_000): num -= 1 lock.release() if __name__ == "__main__": lock = threading.Lock() subThread01 = threading.Thread(target=add) subThread02 = threading.Thread(target=sub) subThread01.start() ...
).namecondLock.acquire()# 上锁print("start and wait run thread :%s"%thName)condLock.wait()#...
importthreadingx_lock=threading.Lock()y_lock=threading.Lock()defthread_1():whileTrue:withacquire(x_lock):withacquire(y_lock):print('Thread-1')defthread_2():whileTrue:withacquire(y_lock):withacquire(x_lock):print('Thread-2')t1=threading.Thread(target=thread_1)t1.daemon=Truet1.start()...
threadName) # 执行任务之前锁定线程 self.lock.acquire() chiHuoGuo(self.people, self.do) # 执行任务 # 执行完之后,释放锁 self.lock.release() print("结束线程: " + self.name) print("yoyo请小伙伴开始吃火锅:!!!") # 设置线程组 threads = [] # 创建新线程 thread1 = myThread("xiaoming"...