parallel_call_noreturn(targ, argslist)

    :Parameters:
      - targ : function
      - argslist : list of tuples

    Does [targ(*args) for args in argslist] using the threadpool.

def map_noreturn(targ, argslist):
    """
    parallel_call_noreturn(targ, argslist)

    :Parameters:
      - targ : function
      - argslist : list of tuples

    Does [targ(*args) for args in argslist] using the threadpool.
    """

    # Thanks to Anne Archibald's handythread.py for the exception handling
    # mechanism.
    exceptions = []
    n_threads = len(argslist)

    exc_lock = threading.Lock()
    done_lock = CountDownLatch(n_threads)

    def eb(wr, el=exc_lock, ex=exceptions, dl=done_lock):
        el.acquire()
        ex.append(sys.exc_info())
        el.release()

        dl.countdown()

    def cb(wr, value, dl=done_lock):
        dl.countdown()

    for args in argslist:
        __PyMCThreadPool__.putRequest(
            WorkRequest(targ,
                        callback=cb,
                        exc_callback=eb,
                        args=args,
                        requestID=id(args)))
    done_lock.await_lock()

    if exceptions:
        six.reraise(*exceptions[0])