syscall_monitor/stop.sh

#!/usr/bin/env bash
cd "$(dirname "$0")"
if [ -f .pid ]; then
  PID=$(cat .pid)
  if kill -0 "$PID" 2>/dev/null; then
    kill "$PID"
    echo "已停止，pid=$PID"
  else
    echo "pid $PID 进程未在运行"
  fi
  rm -f .pid
else
  echo "未找到 .pid 文件"
fi