libevent: libevent - an event notification library
libevent: 
libevent: The libevent API provides a mechanism to execute a callback function
libevent: when a specific event occurs on a file descriptor or after a timeout
libevent: has been reached. Furthermore, libevent also support callbacks due
libevent: to signals or regular timeouts.
libevent:
libevent: http://www.monkey.org/~provos/libevent/
libevent:
libevent:
libevent: