1 files changed, 7 insertions, 8 deletions

diff --git a/src/lisp.h b/src/lisp.h
index 6b19396111c..036f1b13330 100644
--- a/src/lisp.h
+++ b/src/lisp.h
@@ -2132,7 +2132,10 @@ extern char *stack_bottom;
    Exception: if you set immediate_quit to nonzero,
    then the handler that responds to the C-g does the quit itself.
    This is a good thing to do around a loop that has no side effects
-   and (in particular) cannot call arbitrary Lisp code.  */
+   and (in particular) cannot call arbitrary Lisp code.
+
+   If quit-flag is set to `kill-emacs' the SIGINT handler has received
+   a request to exit Emacs when it is safe to do.  */
 
 #ifdef SYNC_INPUT
 extern void process_pending_signals (void);
@@ -2144,16 +2147,11 @@ extern int pending_signals;
 #define ELSE_PENDING_SIGNALS
 #endif  /* not SYNC_INPUT */
 
+extern void process_quit_flag (void);
 #define QUIT                                            \
   do {                                                  \
     if (!NILP (Vquit_flag) && NILP (Vinhibit_quit))     \
-      {                                                 \
-        Lisp_Object flag = Vquit_flag;                  \
-        Vquit_flag = Qnil;                              \
-        if (EQ (Vthrow_on_input, flag))                 \
-          Fthrow (Vthrow_on_input, Qt);                 \
-        Fsignal (Qquit, Qnil);                          \
-      }                                                 \
+      process_quit_flag ();                             \
     ELSE_PENDING_SIGNALS                                \
   } while (0)
 
@@ -3295,6 +3293,7 @@ extern Lisp_Object Qfile_name_handler_alist;
 #ifdef FLOAT_CATCH_SIGILL
 extern void fatal_error_signal (int);
 #endif
+extern Lisp_Object Qkill_emacs;
 EXFUN (Fkill_emacs, 1) NO_RETURN;
 #if HAVE_SETLOCALE
 void fixup_locale (void);