07-30-2009
how to run a killed process
hi,
i am creating a daemon process for updating the file at regular interval.one problem with this is if anybody kills the daemon it wont update the file.anybody have idea how to rerun the daemon if it killed.the code is written in c++ in solaries environment.
thnaks & regards
suresh
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ppud(1M) ppud(1M)
NAME
ppud - Pay per use daemon
SYNOPSIS
DESCRIPTION
is a daemon that provides system configuration and core usage information to a utility meter system for billing purposes. This daemon runs
on Pay per use systems and meters core utilization and system configuration information. The daemon sends this information to a utility
meter as an XML file.
When a report is sent to a utility meter, it is also written to the file /var/ppu/PPUReport.xml. This report is best viewed using a web
browser that understands XML. If the connection to the utility meter fails, the daemon caches the report data until the connection is
restored.
The daemon re-spawns itself if killed. The following entry is added to /etc/inittab in order to have start and re-spawn itself:
The daemon is automatically started when a system boots if a utility meter has been specified via the command (see ppuconfig(1M)). The
daemon does not need to be restarted when the meter configuration is changed via the command.
The daemon reports errors via syslog.
To unconfigure Pay per use, execute:
Warning: if this is a Pay per use system and the daemon is not running, usage reports will not be sent to HP and usage may be assumed to be
100%.
The daemon performs periodic operations based on the time of day. The daemon is spawned by and gets its timezone specification from the
/etc/default/tz file. By default the timezone specified in /etc/default/tz is EST5EDT. You can specify which timezone the daemon uses to
interpret its current time by modifying the /etc/default/tz file. Refer to environ(5)) for details of the format. A restart of the daemon
is required before the new timezone value takes effect (i.e. kill the /usr/lbin/ppud process).
For more information see the Pay per use User's Guide located at /usr/share/doc/PayPerUseUserGuide.pdf
AUTHORS
ppud was developed by HP.
FILES
/etc/default/tz
File contains the timezone value used by . The format for the file is the same as the the environment variable format without
the prefix . (See environ(5) for details of the TZ format).
/var/ppu/cache/
Directory contains the report data that is cached if the connection to the utility meter fails.
SEE ALSO
ppuconfig(1M), ppu(5)
ppud(1M)