From f3ceaebfe4d0530b497dbca504b2fbb8e82408b2 Mon Sep 17 00:00:00 2001
From: Chris Hanson <org/chris-hanson/cph>
Date: Fri, 1 Oct 2004 02:32:03 +0000
Subject: [PATCH] Eliminate unused WITHOUT-BACKGROUND-INTERRUPTS.

---
 v7/src/runtime/boot.scm    | 84 ++++++++++++++++----------------------
 v7/src/runtime/runtime.pkg |  4 +-
 2 files changed, 37 insertions(+), 51 deletions(-)

diff --git a/v7/src/runtime/boot.scm b/v7/src/runtime/boot.scm
index 8b88ff1d4..0b23d5650 100644
--- a/v7/src/runtime/boot.scm
+++ b/v7/src/runtime/boot.scm
@@ -1,6 +1,6 @@
 #| -*-Scheme-*-
 
-$Id: boot.scm,v 14.16 2004/10/01 02:26:55 cph Exp $
+$Id: boot.scm,v 14.17 2004/10/01 02:31:51 cph Exp $
 
 Copyright 1986,1987,1988,1989,1990,1992 Massachusetts Institute of Technology
 Copyright 1993,1996,2001,2004 Massachusetts Institute of Technology
@@ -29,44 +29,41 @@ USA.
 
 (declare (usual-integrations))
 
-(define standard-unparser-method)
-(define unparser/standard-method)
-(let ((make-method
-       (lambda (name unparser)
-	 (lambda (state object)
-	   (let ((port (unparser-state/port state))
-		 (hash-string (number->string (hash object))))
-	     (if *unparse-with-maximum-readability?*
-		 (begin
-		   (write-string "#@" port)
-		   (write-string hash-string port))
-		 (begin
-		   (write-string "#[" port)
-		   (if (string? name)
-		       (write-string name port)
-		       (with-current-unparser-state state
-			 (lambda (port)
-			   (write name port))))
-		   (write-char #\space port)
-		   (write-string hash-string port)
-		   (if unparser (unparser state object))
-		   (write-char #\] port))))))))
-  (set! standard-unparser-method
-	(lambda (name unparser)
-	  (make-method name
-		       (and unparser
-			    (lambda (state object)
-			      (with-current-unparser-state state
-				(lambda (port)
-				  (unparser object port))))))))
-  (set! unparser/standard-method
-	(lambda (name #!optional unparser)
-	  (make-method name
-		       (and (not (default-object? unparser))
-			    unparser
-			    (lambda (state object)
-			      (unparse-char state #\space)
-			      (unparser state object)))))))
+(define (standard-unparser-method name unparser)
+  (make-method name
+	       (and unparser
+		    (lambda (state object)
+		      (with-current-unparser-state state
+			(lambda (port)
+			  (unparser object port)))))))
+
+(define (unparser/standard-method name #!optional unparser)
+  (make-method name
+	       (and (not (default-object? unparser))
+		    unparser
+		    (lambda (state object)
+		      (unparse-char state #\space)
+		      (unparser state object)))))
+
+(define (make-method name unparser)
+  (lambda (state object)
+    (let ((port (unparser-state/port state))
+	  (hash-string (number->string (hash object))))
+      (if *unparse-with-maximum-readability?*
+	  (begin
+	    (write-string "#@" port)
+	    (write-string hash-string port))
+	  (begin
+	    (write-string "#[" port)
+	    (if (string? name)
+		(write-string name port)
+		(with-current-unparser-state state
+		  (lambda (port)
+		    (write name port))))
+	    (write-char #\space port)
+	    (write-string hash-string port)
+	    (if unparser (unparser state object))
+	    (write-char #\] port))))))
 
 (define (unparser-method? object)
   (and (procedure? object)
@@ -87,9 +84,6 @@ USA.
 ;; GC & stack overflow only
 (define-integrable interrupt-mask/gc-ok    #x0007)
 
-;; GC, stack overflow, and keyboard only
-(define-integrable interrupt-mask/no-background #x0017)
-
 ;; GC, stack overflow, and timer only
 (define-integrable interrupt-mask/timer-ok #x0047)
 
@@ -111,12 +105,6 @@ USA.
       interrupt-mask
       (thunk))))
 
-(define (without-background-interrupts thunk)
-  (with-limited-interrupts interrupt-mask/no-background
-    (lambda (interrupt-mask)
-      interrupt-mask
-      (thunk))))
-
 (define-primitives
   (object-pure? pure?)
   (object-constant? constant?)
diff --git a/v7/src/runtime/runtime.pkg b/v7/src/runtime/runtime.pkg
index 8d0c5bbdd..9db67879a 100644
--- a/v7/src/runtime/runtime.pkg
+++ b/v7/src/runtime/runtime.pkg
@@ -1,6 +1,6 @@
 #| -*-Scheme-*-
 
-$Id: runtime.pkg,v 14.495 2004/10/01 02:16:49 cph Exp $
+$Id: runtime.pkg,v 14.496 2004/10/01 02:32:03 cph Exp $
 
 Copyright 1988,1989,1990,1991,1992,1993 Massachusetts Institute of Technology
 Copyright 1994,1995,1996,1997,1998,1999 Massachusetts Institute of Technology
@@ -150,7 +150,6 @@ USA.
 	  interrupt-bit/timer
 	  interrupt-mask/all
 	  interrupt-mask/gc-ok
-	  interrupt-mask/no-background
 	  interrupt-mask/none
 	  interrupt-mask/timer-ok
 	  object-constant?
@@ -159,7 +158,6 @@ USA.
 	  unparser-method?
 	  unparser/standard-method
 	  with-absolutely-no-interrupts
-	  without-background-interrupts
 	  without-interrupts))
 
 (define-package (runtime equality)
-- 
2.25.1