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check if sisyphus is running in the background already

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Carlo Strub 2017-03-14 21:38:12 +00:00
parent 029e8b2457
commit c5dc21e58e
1 changed files with 5 additions and 0 deletions
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5
main.go
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@ -73,6 +73,11 @@ func main() {
Usage: "run sisyphus",
Action: func(c *cli.Context) {
// check if daemon already running.
if _, err := os.Stat(*pidfile); err == nil {
log.Fatal("sisyphus running or " + *pidfile + " file exists.")
}
log.Print("App runs..........")
// Make arrangement to remove PID file upon receiving the SIGTERM from kill command
ch := make(chan os.Signal, 1)