Advanced Mac OS X Programming: The Big Nerd Ranch Guide

Events

You interact with kqueues using kevents, which describe which entities and filters you are interested in. struct kevent works on all Mac OS X systems starting with 10.3:

s​t​r​u​c​t​ ​k​e​v​e​n​t​ ​{​ ​ ​ ​ ​u​i​n​t​p​t​r​_​t​ ​ ​ ​ ​ ​i​d​e​n​t​;​ ​ ​ ​ ​ ​ ​ ​/​*​ ​i​d​e​n​t​i​f​i​e​r​ ​f​o​r​ ​t​h​i​s​ ​e​v​e​n​t​ ​*​/​ ​ ​ ​ ​i​n​t​1​6​_​t​ ​ ​ ​ ​ ​ ​ ​f​i​l​t​e​r​;​ ​ ​ ​ ​ ​ ​/​*​ ​f​i​l​t​e​r​ ​f​o​r​ ​e​v​e​n​t​ ​*​/​ ​ ​ ​ ​u​i​n​t​1​6​_​t​ ​ ​ ​ ​ ​ ​f​l​a​g​s​;​ ​ ​ ​ ​ ​ ​ ​/​*​ ​g​e​n​e​r​a​l​ ​f​l​a​g​s​ ​*​/​ ​ ​ ​ ​u​i​n​t​3​2​_​t​ ​ ​ ​ ​ ​ ​f​f​l​a​g​s​;​ ​ ​ ​ ​ ​ ​/​*​ ​f​i​l​t​e​r​-​s​p​e​c​i​f​i​c​ ​f​l​a​g​s​ ​*​/​ ​ ​ ​ ​i​n​t​p​t​r​_​t​ ​ ​ ​ ​ ​ ​d​a​t​a​;​ ​ ​ ​ ​ ​ ​ ​ ​/​*​ ​f​i​l​t​e​r​-​s​p​e​c​i​f​i​c​ ...