Add some error handling for robustness. #8
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This makes the code a little more robust.
This makes the code a little more robust. What if /var/run does not exist, or we do not have permission to open /var/run/restartd.pid (EPERM?) due to SELinux misconfiguration?
This makes the code a little more robust. What if the write was refused to the underlying device being removed? The --help, debug and stderr printfs were ignored because there error handling does not appear important to me.
This makes the code a little more robust. What if a quotum is exceeded?
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I do not use restartd myself, someone else needs to check whether it still works.