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If you look at the api for ros::waitForShutdown() it says that it will cause the current program to wait for a ctrl-c.

You definitely don't want to run that from a qt callback or it will lock up your program.

Try taking out the ros::waitForShutdown() and tell me what kind of behavior you get.

If you look at the api for ros::waitForShutdown() it says that it will cause the current program to wait for a ctrl-c.

You definitely don't want to run that from a qt callback or it will lock up your program.

Here is some info on the behavior: http://www.ros.org/wiki/roscpp/Overview/Callbacks%20and%20Spinning

Try taking out the ros::waitForShutdown() and tell me what kind of behavior you get.

If you look at the api for ros::waitForShutdown() it says that it will cause the current program to wait for a ctrl-c.

You definitely don't want to run that from a qt callback or it will lock up your program.

Here is some info on the behavior: http://www.ros.org/wiki/roscpp/Overview/Callbacks%20and%20Spinning

If you look at the api for ros::waitForShutdown() it says that it will cause the current program to wait for a ctrl-c.ctrl-c.(http://mediabox.grasp.upenn.edu/roswiki/doc/api/roscpp/html/namespaceros.html#af068034d937093fdb0d5aaa1e0d9e249)

You definitely don't want to run that from a qt callback or it will lock up your program.

Here is some info on the behavior: http://www.ros.org/wiki/roscpp/Overview/Callbacks%20and%20Spinning