Variable: debug-on-signal

debug-on-signal is a customizable variable defined in eval.c.

Value

nil

Documentation

Non-nil means call the debugger regardless of condition handlers.

Note that debug-on-error, debug-on-quit and friends still determine whether to handle the particular condition.

Probably introduced at or before Emacs version 20.1.

Source Code

// Defined in /usr/src/emacs/src/eval.c
  DEFVAR_LISP ("debug-on-signal", Vdebug_on_signal,
	       doc: /* Non-nil means call the debugger regardless of condition handlers.
Note that `debug-on-error', `debug-on-quit' and friends
still determine whether to handle the particular condition.  */);