libevent: libevent (event notification library)
libevent:
libevent: libevent provides a mechanism to execute a callback function when a
libevent: specific event occurs on a file descriptor or after a timeout has 
libevent: been reached.  libevent also support callbacks due to signals or 
libevent: regular timeouts. libevent is meant to replace the event loop found 
libevent: in event driven network servers.
libevent:
libevent: Libevent is maintained by Nick Mathewson and Niels Provos.
libevent:
libevent: