add caught interrupt supprot for graceful exiting #27
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Describe what this PR does / why we need it
add caught interrupt supprot for graceful exiting
Does this pull request fix one issue?
The
kill -9 <pid>command is kill process by OS that will be caught resources (eg memory, disk read handler..) not recycle not immediately. Sokill -HUPis good choice to exiting or stop process more graceful. see more https://en.wikipedia.org/wiki/Kill_(command).btw: I consider directory
forlinuxmaybe duplicate?