param_update_test.cpp

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#include "ros/ros.h"

int main(int argc, char** argv)
{
  ros::init(argc, argv, "param_update_test");
  ros::NodeHandle nh;

  while (ros::ok())
  {
    ROS_INFO("getting parameters...");

    int i = -1;
    if (nh.getParamCached("test", i))
    {
      ROS_INFO("test=%d", i);
    }

    if (nh.getParamCached("test2", i))
    {
      ROS_INFO("test2=%d", i);
    }

    if (nh.getParamCached("test3", i))
    {
      ROS_INFO("test3=%d", i);
    }

    ros::WallDuration(0.1).sleep();
  }

  return 0;
}