System Interface Guide

poll(7D)

/dev/poll provides a highly scalable way of polling a large number of file descriptors. This is provided through a new set of APIs and a new driver, /dev/poll. The /dev/poll API is an alternative to, not a replacement of poll(2). poll(7D) provides details and examples of the /dev/poll API. When used properly, the /dev/poll API scales much better than poll(2). It is especially suited for applications that satisfy the following criteria: