Linux aio

https://stackoverflow.com/questions/42039448/linux-aio-and-linux-native-aio-are-the-same-thing

http://lse.sourceforge.net/io/aio.html

http://www.lenky.info/archives/2013/01/2182

http://www.cnblogs.com/hustcat/archive/2013/02/05/2893488.html