python自定义线程池控制线程数量的示例

 import threading import Queue import time queue = Queue.Queue() def put_data_in_queue(): for i in xrange(10): queue.put(i) class MyThread(threading.Thread): def run(self): while not queue.empty(): sleep_times = queue.get() time.sleep(sleep_times) queue.task_done() def main_function(): threads_num = 6 while True: put_data_in_queue() for i in xrange(threads_num): myThread = MyThread() myThread.setDaemon(True) myThread.start() queue.join() time.sleep(60) 

 import threading import Queue import time import signal queue = Queue.Queue() stop = False def receive_signal(signum, stack): signal.signal(signal.SIGTERM, original_sigterm) global stop stop = True def put_data_in_queue(): for i in xrange(10): queue.put(i) class MyThread(threading.Thread): def run(self): while not queue.empty(): sleep_times = queue.get() time.sleep(sleep_times) queue.task_done() def main_function(): threads_num = 6 while not stop: put_data_in_queue() for i in xrange(threads_num): myThread = MyThread() myThread.setDaemon(True) myThread.start() queue.join() time.sleep(60) if __name__ == "__main__": original_sigterm = signal.getsignal(signal.SIGTERM) signal.signal(signal.SIGTERM, receive_signal) main_function()