我最近开始研究线程,我知道这是关于多个处理的东西,我只是不明白为什么会发生这种情况。
import threading
class BuckyMessenger(threading.Thread):
def __init__(self, name):
threading.Thread.__init__(self)
print("test")
def run(self):
for _ in range(4):
print(threading.current_thread().getName())
x = BuckyMessenger(name='Send')
y = BuckyMessenger(name='Receive')
z = BuckyMessenger(name='Nothing')
x.start()
y.start()
z.start()
我预期会发生这样的事情:
test
Send
test
Receive
test
Nothing
从现在开始,我应该得到9个随机“发送”和3个随机“接收”和3个随机“无”的打印,如下所示:(其余结果)
Send
Receive
Nothing
Nothing
Nothing
Send
Receive
Receive
send
,但这是我得到的结果:,我的意思是为什么?为什么蟒蛇会这样做?
test
test
test
Thread-1
Thread-1
Thread-1
Thread-1
Thread-2
Thread-2
Thread-2
Thread-2
Thread-3
Thread-3
Thread-3
Thread-3
发布于 2018-11-07 21:07:49
您需要获得当前线程的引用并设置其名称。然后,您可以使用该引用来打印其名称。注意构造函数和run
方法中的更改。至于串行执行的效果,是由于每个线程能够足够快地执行并在另一个线程发生之前完成,因为循环周期很少:
import threading
class BuckyMessenger(threading.Thread):
def __init__(self, name):
threading.Thread.__init__(self)
self.name = name
print("test")
def run(self):
curThread = threading.current_thread()
curThread.name = self.name
for _ in range(4):
print(curThread.name)
x = BuckyMessenger(name='Send')
y = BuckyMessenger(name='Receive')
z = BuckyMessenger(name='Nothing')
x.start()
y.start()
z.start()
可能的产出:
test
test
test
Send
Send
Send
Send
Receive
Nothing
Nothing
Receive
Nothing
Nothing
Receive
Receive
https://stackoverflow.com/questions/53197675
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