ROS Resources: Documentation | Support | Discussion Forum | Index | Service Status | ros @ Robotics Stack Exchange

Attention: Answers.ros.org is deprecated as of August the 11th, 2023. Please visit robotics.stackexchange.com to ask a new question. This site will remain online in read-only mode during the transition and into the foreseeable future. Selected questions and answers have been migrated, and redirects have been put in place to direct users to the corresponding questions on Robotics Stack Exchange. Additional details are available here.

0

If publishes faster than calling SpinOnce, would CallBack Queue be filled up eventually?

asked 2012-10-22 20:58:12 -0600

27 ●3 ●3 ●7

updated 2014-01-28 17:14:01 -0600

ngrennan
1 ●1 ●1

If we have a publisher publishing at 40Hz, and the subscriber is calling SpinOnce at 20Hz, would our CallBack Queue be filled up eventually?

edit retag flag offensive close merge delete

1 Answer

Sort by » oldest newest most voted

4

answered 2012-10-22 21:19:00 -0600

flag of Germany

22731 ●129 ●202 ●316 http://ias.in.tum.de/p...

Depends on how long your callbacks run. But spinOnce does not just execute only one callback but it will empty the queue if possible and then return.

edit flag offensive delete link

Question Tools

Stats

Asked: 2012-10-22 20:58:12 -0600

Seen: 562 times

Last updated: Oct 22 '12

Related questions

ROS Answers is licensed under Creative Commons Attribution 3.0 Content on this site is licensed under a Creative Commons Attribution Share Alike 3.0 license.

Powered by Askbot version 0.10.2