Do plugins terminate gracefully on Nagios restart or shutdown?

[Paul M. Dubuc]

I'm wondering if there is any termination signal sent to a plugin that happens 
to be executing at the time Nagios is restarted or shut down?  Do plugins need 
a signal handler for this case if they have cleanup that needs doing?  Do 
plugins using the embedded Perl also get a signal?  Is the signal different 
for restart vs. shutdown?

Or perhaps Nagios waits for plugins that are executing to finish while not 
starting any before doing the restart or shutdown.

I haven't found the answer to this in the development guidelines or other 
documentation.

Can anyone tell me how this is handled?

Thanks,
Paul Dubuc

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