midas/servitude — pull request #13 by njonsson (2014-12-04 19:52:07+00:00)
Title: PID file error handling

Complain precisely to stderr in the event of invalid PID file content

* A blank PID file
* A PID file with content other than an integer expression
* A PID file containing an integer that overflows the legal PID range

Fixes #12.