s6
Software
skarnet.org

The s6-svlisten1 program

s6-svlisten1 runs a program while listening on notifications from a supervised service, and blocks until said service goes up, or down.

s6-svlisten1 only waits for notifications; it never polls.

Interface

     s6-svlisten1 [ -U | -u | -D | -d | -r | -R ] [ -t timeout ] servicedir prog...

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Notes