Make the perl Unixsock module robust against socket errors and disconnects #3083
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…nections We should check the errors on socket operations, and in case of EPIPE, which happens on socket disconnection, such as when the server gets restarted, we should try to reconnect and retry the last operation to avoid losing data.
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The code does not currently handle the collectd daemon going away gracefully. This change makes the code robust against those cases.
ChangeLog: perl Unixsock: Made the module robust against socket errors and disconnects.