摘要：
import random import time from threading import Thread, Semaphore sm = Semaphore(5) ''' semaphore信号量可以通过内置计数器来控制同时运行线程的数量 每当调用acquire()时，内置计数器-1,直到为0的 阅读全文
摘要：
from threading import Thread, Lock, RLock import time mutexA = Lock() muteXB = Lock() '''# 将上述的mutexA = Lock()mutexB = Lock()# 换成mutexA = mutexB = RLo 阅读全文