#!/usr/bin/env python
import thread
from time import sleep, ctime
def loop0():
print '+++start loop 0 at:', ctime()
sleep(4)
print '+++loop 0 done at:', ctime()
def loop1():
print '***start loop 1 at:', ctime()
sleep(2)
print '***loop 1 done at:', ctime()
def main():
print '------starting at:', ctime()
thread.start_new_thread(loop0, ())
thread.start_new_thread(loop1, ())
sleep(6)
print '------all DONE at:', ctime()
if __name__ == '__main__':
main()
#!/usr/bin/env python
import thread
from time import sleep, ctime
loops = [4, 2]
def loop(nloop, nsec, lock):
print '+++start loop:', nloop, 'at:', ctime()
sleep(nsec)
print '+++loop:', nloop, 'done at:', ctime()
lock.release()
def main():
print '---starting threads...'
locks = []
nloops = range(len(loops))
for i in nloops:
lock = thread.allocate_lock()
lock.acquire()
locks.append(lock)
for i in nloops:
thread.start_new_thread(loop,
(i, loops[i], locks[i]))
for i in nloops:
while locks[i].locked(): pass
print '---all DONE at:', ctime()
if __name__ == '__main__':
main()
#!/usr/bin/env python
import threading
from time import sleep, ctime
loops = [ 4, 2 ]
def loop(nloop, nsec):
print '+++start loop:', nloop, 'at:', ctime()
sleep(nsec)
print '+++loop:', nloop, 'done at:', ctime()
def main():
print '---starting at:', ctime()
threads = []
nloops = range(len(loops))
for i in nloops:
t = threading.Thread(target=loop,
args=(i, loops[i]))
threads.append(t)
for i in nloops: # start threads
threads[i].start()
for i in nloops: # wait for all
threads[i].join() # threads to finish
print '---all DONE at:', ctime()
if __name__ == '__main__':
main()
#!/usr/bin/env python
import threading
from time import sleep, ctime
loops = [ 4, 2 ]
class ThreadFunc(object):
def __init__(self, func, args, name=''):
self.name = name
self.func = func
self.args = args
def __call__(self):
apply(self.func, self.args)
def loop(nloop, nsec):
print 'start loop', nloop, 'at:', ctime()
sleep(nsec)
print 'loop', nloop, 'done at:', ctime()
def main():
print 'starting at:', ctime()
threads = []
nloops = range(len(loops))
for i in nloops: # create all threads
t = threading.Thread(target=ThreadFunc(loop, (i, loops[i]), loop.__name__))
threads.append(t)
for i in nloops: # start all threads
threads[i].start()
for i in nloops: # wait for completion
threads[i].join()
print 'all DONE at:', ctime()
if __name__ == '__main__':
main()
#!/usr/bin/env python
import threading
from time import sleep, ctime
loops = [ 4, 2 ]
class MyThread(threading.Thread):
def __init__(self, func, args, name=''):
threading.Thread.__init__(self)
self.name = name
self.func = func
self.args = args
def getResult(self):
return self.res
def run(self):
print 'starting', self.name, 'at:', ctime()
self.res = apply(self.func, self.args)
print self.name, 'finished at:', ctime()
def loop(nloop, nsec):
print 'start loop', nloop, 'at:', ctime()
sleep(nsec)
print 'loop', nloop, 'done at:', ctime()
def main():
print 'starting at:', ctime()
threads = []
nloops = range(len(loops))
for i in nloops:
t = MyThread(loop, (i, loops[i]),
loop.__name__)
threads.append(t)
for i in nloops:
threads[i].start()
for i in nloops:
threads[i].join()
print 'all DONE at:', ctime()
if __name__ == '__main__':
main()
#!/usr/bin/env python
from random import randint
from time import sleep
from Queue import Queue
from myThread import MyThread
def writeQ(queue):
print '+++producing object for Q...',
queue.put('xxx', 1)
print "+++size now:", queue.qsize()
def readQ(queue):
val = queue.get(1)
print '---consumed object from Q... size now',
queue.qsize()
def writer(queue, loops):
for i in range(loops):
writeQ(queue)
sleep(randint(1, 3))
def reader(queue, loops):
for i in range(loops):
readQ(queue)
sleep(randint(2, 5))
funcs = [writer, reader]
nfuncs = range(len(funcs))
def main():
nloops = randint(2, 5)
q = Queue(32)
threads = []
for i in nfuncs:
t = MyThread(funcs[i], (q, nloops),
funcs[i].__name__)
threads.append(t)
for i in nfuncs:
threads[i].start()
for i in nfuncs:
threads[i].join()
print '***all DONE'
if __name__ == '__main__':
main()
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