Links

• Kqueue: A generic and scalable event notification facility [Lemon][PDF]
• Kqueues for Fun and Profit [Werner]
• XNU kqueue test program - Demonstrates use of EVFILT_USER
• kqueue for linux - abandoned port of kqueue to Linux circa 2002 PDF].

Linux kernel event mechanisms

• epoll
• inotify
• signalfd
• signalfd
• eventfd
• timerfd

Solaris kernel event mechanisms

• Solaris 10 port_create(3C) manual page
• OpenSolaris port_create(3C) manual page