Closes PRs 19516, 19517, 19518, 19519, 19520, 19521, 19522, 19523, 19524, 19525 and some more, perhaps.
Provided in PR 12580 by Ben Collver (collver@linuxfreemail.com) Exception and Termination Manager (ETM), a simple(-minded) library to manage exceptional conditions that arise during program execution, and to provide for orderly program shutdown.