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How to kill Roscore programatically

asked 2014-12-18 10:42:03 -0500

Demian S. gravatar image

I am using Pharo to launch roscore, and thus I cannot simply CTRL+C in the terminal, because that shuts down pharo as well. Pharo allows me to send commands to the console. How do I end the roscore process, then, with a command? $ ps aux | grep ros gives me a list, but I need to automate the Roscore killing (for test purposes, I have to invoce roscore, run several tests, and then shut it down automatically).


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How do you actually start roscore? That is, I'd never heard of Pharo until your mention of it...if you can start a process, surely there's a way to halt it, right?

kramer gravatar image kramer  ( 2014-12-18 17:59:17 -0500 )edit

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answered 2014-12-19 03:17:57 -0500

JohnDoe2991 gravatar image

I have never heard of Pharo, but if you can send commands to a console, you can just use a command to stop the roscore process. For example in Ubuntu, just send the command "killall roscore" and the master should shutdown. Just a quick and dirty solution.

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Thats it! It worked perfect, thanks a lot!

Demian S. gravatar image Demian S.  ( 2014-12-19 06:41:45 -0500 )edit

answered 2015-06-25 01:35:00 -0500

killall would kill all eventual roscore, if there are maybe two better choose by port.

export PORT=11311
export ROS_HOME=$HOME/.ros
if [ -e ${ROS_HOME}/roscore-${PORT}.pid ]; then kill `cat  ${ROS_HOME}/roscore-${PORT}.pid`; fi
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Asked: 2014-12-18 10:42:03 -0500

Seen: 6,362 times

Last updated: Dec 19 '14