09-25-2008
That is a good link. Please reread this sentence: "The concepts of "foreground" and "background" don't apply to dæmons." a few times. There is no such thing as a daemon running in the "background". Foreground and background only apply to programs with a controlling terminal. By definition, a daemon has no controlling terminal. Yes you seem to have a daemon that is superfluously re-daemonizing itself, but if done correctly this is a harmless waste of time. I doubt that it explains 3 instances of the daemon running. Still, why not remove that code and see what happens? A program launched by "cron" or "at" will be a daemon and this might be an easier way to test it.
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LEARN ABOUT DEBIAN
solarpowerlog
SOLARPOWERLOG(1) SOLARPOWERLOG(1)
NAME
solarpowerlog - queries data from a photovoltaic inverter
SYNOPSIS
solarpowerlog [options]
DESCRIPTION
The program trackd and logd data from photovoltaic inverters, collect power data and store them.
OPTIONS
The program follow the usual GNU command line syntax, with long options starting with two dashes (`-'). A summary of options is included
below.
-h, --help
Show summary of options.
-v, --version
Show version of program.
-b, --background
Runs the program in the background, detaching it from the console.
-c, --conf filename
The configuration to be used. Default is solarpowerlog.conf, looked for in the current directory.
--dumpcfg
Dump configuration structure, then exit
--chdir arg
working directory for daemon (only used when running as a daemon). Defaults to /
--stdout arg
redirect stdout to this file (only used when running as a daemon). Defaults to /dev/null
--stderr arg
redirect stderr to this file (only used when running as a daemon). Defaults to /dev/null
--pidfile arg
create a pidfile after the daemon has been started. (only used when running as a daemon). Default: no pid file
SEE ALSO
http://sourceforge.net/apps/mediawiki/solarpowerlog/index.php
June 16, 2009 SOLARPOWERLOG(1)