35 lines
764 B
Python
35 lines
764 B
Python
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"""
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使用Process类创建多个进程
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Version: 0.1
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Author: 骆昊
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Date: 2018-03-20
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"""
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# 通过下面程序的执行结果可以证实 父进程在创建子进程时复制了进程及其数据结构
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# 每个进程都有自己独立的内存空间 所以进程之间共享数据只能通过IPC的方式
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from multiprocessing import Process, Queue
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from time import sleep
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def sub_task(string, q):
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number = q.get()
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while number:
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print('%d: %s' % (number, string))
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sleep(0.001)
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number = q.get()
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def main():
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q = Queue(10)
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for number in range(1, 11):
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q.put(number)
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Process(target=sub_task, args=('Ping', q)).start()
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Process(target=sub_task, args=('Pong', q)).start()
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if __name__ == '__main__':
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main()
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