Implement LSB exit codes for the status command line option
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Key: SLING-2175
URL: https://issues.apache.org/jira/browse/SLING-2175
Project: Sling
Issue Type: Improvement
Components: Launchpad
Affects Versions: Launchpad Base 2.3.0
Reporter: Felix Meschberger
Assignee: Felix Meschberger
Fix For: Launchpad Base 2.3.2
The sling standalone Java Application supports being run as a service in that
it supports three special command line options:
* start -- start as a server in the background
* stop -- stop a running server
* status -- show the status of the running server
To ease implementation of init scripts, the status command line option should
exit with status codes aligned with the Linux Standard Base Core Specification
as described in
http://refspecs.freestandards.org/LSB_3.1.1/LSB-Core-generic/LSB-Core-generic/iniscrptact.html:
* 0 if the server is running fine
* 1 if the status command could not be sent or the response not be received
(assuming server dead)
* 3 if the server could not be reached, assuming the server not running
* 4 if the server status could not be checked because the control port is not
defined on the command line (with the -j option)
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