Python 创建函数并将其作为多个进程的完整代码

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#  php教程网 (www.idcnote.com) 
import multiprocessing
import time

def worker_1(interval):
    print "worker_1"
    time.sleep(interval)
    print "end worker_1"

def worker_2(interval):
    print "worker_2"
    time.sleep(interval)
    print "end worker_2"

def worker_3(interval):
    print "worker_3"
    time.sleep(interval)
    print "end worker_3"

if __name__ == "__main__":
    p1 = multiprocessing.Process(target = worker_1, args = (2,))
    p2 = multiprocessing.Process(target = worker_2, args = (3,))
    p3 = multiprocessing.Process(target = worker_3, args = (4,))

    p1.start()
    p2.start()
    p3.start()

    print("The number of CPU is:" + str(multiprocessing.cpu_count()))
    for p in multiprocessing.active_children():
        print("child   p.name:" + p.name + "\tp.id" + str(p.pid))
    print "END!!!!!!!!!!!!!!!!!"

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