python实现线程池，python线程池,import threa

python实现线程池，python线程池,import threa

import threadingimport timeimport signalimport osclass task_info(object):    def __init__(self):        self.func = None        self.parm0 = None        self.parm1 = None        self.parm2 = Noneclass task_list(object):    def __init__(self):        self.tl = []        self.mutex = threading.Lock()        self.sem = threading.Semaphore(0)    def append(self, ti):        self.mutex.acquire()        self.tl.append(ti)        self.mutex.release()        self.sem.release()    def fetch(self):        self.sem.acquire()        self.mutex.acquire()        ti = self.tl.pop(0)                self.mutex.release()        return ticlass thrd(threading.Thread):    def __init__(self, tl):        threading.Thread.__init__(self)        self.tl = tl    def run(self):        while True:            tsk = self.tl.fetch()            tsk.func(tsk.parm0, tsk.parm1, tsk.parm2)    class thrd_pool(object):    def __init__(self, thd_count, tl):        self.thds = []        for i in range(thd_count):            self.thds.append(thrd(tl))    def run(self):        for thd in self.thds:            thd.start()def func(parm0=None, parm1=None, parm2=None):    print 'count:%s, thrd_name:%s'%(str(parm0), threading.currentThread().getName())def cleanup(signo, stkframe):    print ('Oops! Got signal %s', signo)       os._exit(0)if __name__ == '__main__':    signal.signal(signal.SIGINT, cleanup)    signal.signal(signal.SIGQUIT, cleanup)    signal.signal(signal.SIGTERM, cleanup)    tl = task_list()    tp = thrd_pool(6, tl)    tp.run()    count = 0    while True:        ti = task_info()        ti.parm0 = count        ti.func = func        tl.append(ti)        count += 1        time.sleep(2)    pass

                                执行方式：python thrd;_pool.py

执行结果：

count:0, thrd;_name:Thread-1count:1, thrd;_name:Thread-2count:2, thrd;_name:Thread-3count:3, thrd;_name:Thread-4count:4, thrd;_name:Thread-5count:5, thrd;_name:Thread-1count:6, thrd;_name:Thread-6count:7, thrd;_name:Thread-2count:8, thrd;_name:Thread-3count:9, thrd;_name:Thread-4count:10, thrd;_name:Thread-5count:11, thrd;_name:Thread-1count:12, thrd;_name:Thread-6count:13, thrd;_name:Thread-2count:14, thrd;_name:Thread-3('Oops! Got; signal; %s', 15;)