What does blocking call mean?

A function that does not return until its job is finished, such as forward with a distance. The program waits; nothing else in it runs meanwhile.

Also written as: blocking calls, blocking, blocks until

In a lesson

distance= is a blocking call: nothing after it runs until the move is done. Compare the order of the printed lines:

Learn it

• Taught in 1.2 Driving by distance Driving, Robot club

Used in

• 1.3 Turning and heading
• 5.1 The loop
• 5.3 Timers
• A4.8 Project: plan the route
• A12.7 Internet security
• U1.1 Sense, decide, act
• U3.2 Write your own odometry

All glossary terms