libev is modelled after libevent (http://monkey.org/~provos/libevent/), but aims
to be faster and more correct, and also more featureful. Examples:
-- multiple watchers can wait for the same event without deregistering others.
+(comparisons relative to libevent-1.3e and libev-0.00)
+
+- multiple watchers can wait for the same event without deregistering others,
+ both for file descriptors as well as signals.
(registering two read events on fd 10 and unregistering one will not
break the other)
- can correctly remove timers while executing callbacks
(libevent doesn't handle this reliably and can crash)
+- race-free signal processing
+ (libevent may delay processing signals till after the next event)
+
- less calls to epoll_ctl
(stopping and starting an io watcher between two loop iterations will now
result in spuriois epoll_ctl calls)
- simpler design, backends are potentially much simpler
(in libevent, backends have to deal with watchers, thus the problems)
- (epoll backend in libevent: 366 lines, libev: 89 lines, and more features)
+ (epoll backend in libevent: 366 lines, libev: 90 lines, and more features)
whats missing?
- evdns, evhttp, bufferevent are missing, libev is only an even library at
the moment.
-- no priority support at the moment.
+- no priority support at the moment
+
+- kqueue, poll (libev currently implements epoll and select)
-- kqueue, poll (libev currently implements epoll and select).
+- windows support (whats windows?)