89 lines
2.4 KiB
Python
89 lines
2.4 KiB
Python
import multiprocessing as mp
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import time
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import os
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import threading
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# ----------------------------------------範例4------------------------------
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# A報數
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def A_Count_off():
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for i in range(0,5):
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print(f'A : {i}')
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time.sleep(0.5)
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# B報數
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def B_Count_off():
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for i in range(5,10):
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print(f'B : {i}')
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time.sleep(0.5)
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#
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# if __name__=='__main__':
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# process_list=[A_Count_off,B_Count_off]
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# process_name =[]
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# for i in range(0,len(process_list)):
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# process_name.append(mp.Process(target=process_list[i]))
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#
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# for i in range(0,len(process_name)):
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# process_name[i].start()
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# # process_name[i].join()
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#
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# for i in range(0,len(process_name)):
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# process_name[i].join()
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# ----------------------------------------範例5------------------------------
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def Count_off(code_name):
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print('process {} '.format(os.getpid()))
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print('thread {} '.format(threading.current_thread().name))
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for i in range(0,5):
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print(f'{code_name} : {i}')
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time.sleep(0.5)
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# if __name__=='__main__':
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# process_name_list=["A","B","C","D"]
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# process_list=[]
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# for i in range(0,len(process_name_list)):
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# process_list.append(mp.Process(target=Count_off,args=process_name_list[i]))
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# for i in range(0,len(process_list)):
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# process_list[i].start()
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# for i in range(0,len(process_list)):
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# process_list[i].join()
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# ----------------------------範例6-----------------------------
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class Process_class(mp.Process):
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def __init__(self, code_name):
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mp.Process.__init__(self)
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self.code_name = code_name
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def run(self):
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print('process {} '.format(os.getpid())) # 查看進程
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print('thread {} '.format(threading.current_thread().name)) # 查看線程
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for i in range(0,5):
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print(f'{self.code_name} : {i}')
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time.sleep(0.5)
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def test_return(self):
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return(f'{self.code_name}=END')
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if __name__=='__main__':
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start_time = time.time()
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process_name_list = ["A", "B", "C", "D"]
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process_list = []
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for i in range(0, len(process_name_list)):
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process_list.append(Process_class(process_name_list[i]))
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for i in range(0, len(process_list)):
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process_list[i].start()
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for i in range(0, len(process_list)):
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process_list[i].join()
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for i in range(0, len(process_list)):
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print(process_list[i].test_return())
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