+
+;;; KLUDGE: Linux on the SPARC doesn't seem to conform to any kind of
+;;; standards at all. So we use an explicitly undefined trap, because
+;;; that currently does the right thing. Expect this to break
+;;; eventually (but with luck, at that point we'll be able to revert
+;;; to the compliant trap number...
+;;;
+;;; KLUDGE: Maybe this should be called pseudo-atomic-magic-number,
+;;; allowing other architectures (which don't necessarily use traps
+;;; for pseudo-atomic) to propagate a magic number to C land via
+;;; sbcl.h.