= U =
unwind the stack vi.
1. [techspeak] During the
execution of a procedural language, one is said to `unwind the
stack' from a called procedure up to a caller when one discards the
stack frame and any number of frames above it, popping back up to
the level of the given caller. In C this is done with
longjmp/setjmp, in LISP or C++ with
throw/catch. See also smash the stack. 2. People can
unwind the stack as well, by quickly dealing with a bunch of
problems: "Oh heck, let's do lunch. Just a second while I unwind
--The Jargon File version 4.3.1, ed. ESR, autonoded by rescdsk.