spawnthread.py

import threading
def spawnthread(f):
    def func(*args,**kwargs):
            thr = threading.Thread(target=f, args=args, kwargs=kwargs)
            thr.start()
    return func
# --------------------------    
    
import time

@spawnthread
def x(a):
  print 'start',a
  time.sleep(5)
  print 'end',a


x(10);x(20);x(30)