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35 lines
886 B
35 lines
886 B
import threading
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import time
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import logging
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logging.basicConfig(level=logging.DEBUG,
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format='(%(threadName)-9s) %(message)s',)
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class ThreadPool(object):
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def __init__(self):
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super(ThreadPool, self).__init__()
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self.active = []
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self.lock = threading.Lock()
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def makeActive(self, name):
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with self.lock:
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self.active.append(name)
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logging.debug('Running: %s', self.active)
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def makeInactive(self, name):
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with self.lock:
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self.active.remove(name)
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logging.debug('Running: %s', self.active)
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def f(s, pool):
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logging.debug('Esperando para unirse al grupo')
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with s:
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name = threading.current_thread().name
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pool.makeActive(name)
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time.sleep(0.5)
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pool.makeInactive(name)
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pool = ThreadPool()
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s = threading.Semaphore(3)
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for i in range(10):
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t = threading.Thread(target=f, name='thread_'+str(i), args=(s, pool))
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t.start() |