#!/usr/bin/env bash
set -u

port=3080
pids=$(ss -ltnpH "sport = :${port}" 2>/dev/null | grep -oP 'pid=\K[0-9]+' | sort -u)
for pid in $pids; do
  kill "$pid" 2>/dev/null || true
done

for _ in $(seq 1 20); do
  ss -ltnH "sport = :${port}" 2>/dev/null | grep -q . || break
  sleep 0.5
done
exit 0