import thread
from time import sleep


def f(i, lock):
    try:
        sleep(10)
    except KeyboardInterrupt:
        print "%d interrupted" % i
    else:
        print "%d timed out" % i
    lock.release()

N = 10
locks = [thread.allocate_lock() for i in range(N)]
for lock in locks:
    lock.acquire()

for i in range(N):
    thread.start_new_thread(f, (i, locks[i]))

for lock in locks:
    lock.acquire()