What does 1 Kings 2:30 mean?

Benaiah went to the tent and said, 'The king says, Come out!' But Joab answered, 'No, I'll die here.' So Benaiah reported back to the king, 'This is what Joab said, and this is how he answered me.' 1 Kings 2:30 - Modern Text Bible

(Joab refuses to leave the altar, choosing to die there rather than face execution elsewhere.)