exit.py 文件源码

def __exit_handler(signum, frame):
    """
    Let the worker go.  This doesn't do much of anything because it's
    called from inside a signal handler.
    """
    #print "EH START"
    with this.lock:
        exit_barrier = this.exit_barrier

    if exit_barrier is not None:
        # Meet up with the worker
        this.exit_barrier.wait()
        #print "EH FIRST BARRIER"
        # Wait for the worker to be done
        this.finish_barrier.wait()
        #print "EH HANDLER FINISHED"
    #print "EH DONE"
    sys.exit(0)