badproc           483 src/signal.c       int badproc = FALSE, sigactionfailed = FALSE;
badproc           507 src/signal.c           badproc = TRUE;
badproc           509 src/signal.c       if (!badproc) {
badproc           523 src/signal.c       if (badproc) Scm_Error("bad signal handling procedure: must be either a procedure that takes at least one argument, #t, or #f, but got %S", handler);