Backported, durable, and portable selectors designed to replace the standard library selectors module. Features * Support for all major platforms. (Linux, Mac OS, Windows) * Support many different selectors - select.kqueue (BSD, Mac OS) - select.devpoll (Solaris) - select.epoll (Linux 2.5.44+) - select.poll (Linux, Mac OS) - select.select - (Linux, Mac OS, Windows) * Support for PEP 475 (Retries system calls on interrupt) * Support for modules which monkey-patch the standard library after import (like greenlet, gevent) * Support for systems which define a selector being available but don't actually implement it.