1 from multiprocessing import Process,Queue,Pipe 2 import os 3 def f(q): 4 #    q.send([42,None,'hello']) 5     print('This is child_conn ....' % q.recv()) 6 #    q.close() 7     print 'Os getpid is %s...' % os.getpid() 8  9 if __name__=='__main__':10     parent_conn,child_conn=Pipe()11     parent_conn.send(['good',None,100])12     p=Process(target=f,args=(child_conn,))13     p.start()14     print(parent_conn.recv())15     parent_conn.close()16     p.join()

?f(q)内的作为child_conn的q为什么接收不到parent_conn的推送