s6
Software
skarnet.org

The s6-notifywhenup program

s6-notifywhenup launches a daemon while listening to a file descriptor, and sends a 'U' event to a fifodir when it receives something on that file descriptor.

This page explains why this program is needed.

Interface

     s6-notifywhenup [ -d fd ] [ -e fifodir ] [ -f ] [ -X ] [ -t timeout ] prog...

Options

Notes