1 import queue
2 import threading
3
4
5 class ThreadPool(object):
6
7 def __init__(self, max_num=20):
8 self.queue = queue.Queue(max_num)
9 for i in range(max_num):
10 self.queue.put(threading.Thread)
11
12 def get_thread(self):
13 return self.queue.get()
14
15 def add_thread(self):
16 self.queue.put(threading.Thread)
17
18 pool = ThreadPool(10)
19 def func(arg, p):
20 print(arg)
21 import time
22 time.sleep(2)
23 p.add_thread()
24
25
26 for i in range(30):
27 thread = pool.get_thread()
28 t = thread(target=func, args=(i, pool))
29 t.start()
