'''
使用gevent +　sleep自动将CPU执行权分配给当前未睡眠的协程
'''
import gevent
from gevent import Greenlet


def func1():
    gevent.sleep(1)
    print("大梦谁先觉")

    gevent.sleep(13)
    print("1:over")
    pass


def func2():
    gevent.sleep(3)
    print("平生我自知")

    gevent.sleep(9)
    print("2:over")
    pass


def func3():
    gevent.sleep(5)
    print("草堂春睡足")

    gevent.sleep(5)
    print("3:over")
    pass


def func4():
    gevent.sleep(7)
    print("窗外日迟迟")

    gevent.sleep(1)
    print("4:over")
    pass


def simpleGevent():
    gr1 = gevent.spawn(func1)
    gr2 = gevent.spawn(func2)
    gr3 = gevent.spawn(func3)
    gr4 = gevent.spawn(func4)
    gevent.joinall([
        gr1, gr2, gr3, gr4
    ])


if __name__ == '__main__':
    # simpleGevent()
    pass