import time,datetime
import threading
def worker(a_tid,a_account):
global g_mutex
print "Str " , a_tid, datetime.datetime.now()
for i in range(1000000):
#g_mutex.acquire()
a_account.deposite(1)
#g_mutex.release()
print "End " , a_tid , datetime.datetime.now()
class Account:
def __init__ (self, a_base ):
self.m_amount=a_base
def deposite(self,a_amount):
self.m_amount+=a_amount
def withdraw(self,a_amount):
self.m_amount-=a_amount
if __name__ == "__main__":
global g_mutex
count = 0
dstart = datetime.datetime.now()
print "Main Thread Start At: " , dstart
#init thread_pool
thread_pool = []
#init mutex
g_mutex = threading.Lock()
# init thread items
acc = Account(100)
for i in range(10):
th = threading.Thread(target=worker,args=(i,acc) ) ;
thread_pool.append(th)
# start threads one by one
for i in range(10):
thread_pool[i].start()
#collect all threads
for i in range(10):
threading.Thread.join(thread_pool[i])
dend = datetime.datetime.now()
print "count=",acc.m_amount
print "Main Thread End at: " ,dend , " time span " , dend-dstart;
一开始我线程都是照着写的。后来发现sockect不能用join...因为有个永真循环,没有一个线程会结束。
重看这个脚本就能知道怎么写聊天室的群发了。
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