Replace process.Signal with syscall.Kill

kill/kill.go

@@ -85,13 +85,7 @@ func main() {
 	exitCode := 0
 	if len(args.PIDs) > 0 {
 		for _, pid := range args.PIDs {
-			process, err := os.FindProcess(pid)
+			err := syscall.Kill(pid, sig)
-			if err != nil {
-				common.PrintToStderr(fmt.Sprintf("error finding process %v: %v", pid, err))
-				exitCode = 1
-				continue
-			}
-			err = process.Signal(sig)
 			if err != nil {
 				common.PrintToStderr(fmt.Sprintf("kill %v: %v", pid, err))
 				exitCode = 1