From c5345bf6ac2f3ba3169b6f436a5cb35cecf53954 Mon Sep 17 00:00:00 2001
From: ceriel <none@none>
Date: Wed, 22 Mar 1989 17:36:20 +0000
Subject: [PATCH] Changed semantics of CallAtEnd so that it calls installed
 procedures in reversed order

---
 lang/m2/libm2/Epilogue.def | 4 ++--
 lang/m2/libm2/halt.c       | 8 +++-----
 2 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/lang/m2/libm2/Epilogue.def b/lang/m2/libm2/Epilogue.def
index ee87c4640..029c867f4 100644
--- a/lang/m2/libm2/Epilogue.def
+++ b/lang/m2/libm2/Epilogue.def
@@ -13,8 +13,8 @@ DEFINITION MODULE Epilogue;
   PROCEDURE CallAtEnd(p: PROC): BOOLEAN;
   (* Add procedure "p" to the list of procedures that must be executed when
      the program finishes.
-     When the program finishes, these procedures are executed in the order in
-     which they were added to the list.
+     When the program finishes, these procedures are executed in the REVERSE
+     order in which they were added to the list.
      This procedure returns FALSE when there are too many procedures to be 
      called (the list has a fixed size).
   *)
diff --git a/lang/m2/libm2/halt.c b/lang/m2/libm2/halt.c
index 01eeef3f2..ca98a6969 100644
--- a/lang/m2/libm2/halt.c
+++ b/lang/m2/libm2/halt.c
@@ -8,7 +8,7 @@
   Author:	Ceriel J.H. Jacobs
   Version:	$Header$
 */
-#define MAXPROCS 16
+#define MAXPROCS 32
 
 static int callindex = 0;
 static int (*proclist[MAXPROCS])();
@@ -17,7 +17,7 @@ _cleanup()
 {
 	register int i;
 
-	for (i = 0; i < callindex; i++) {
+	for (i = callindex; --i >= 0;) {
 		(*proclist[i])();
 	}
 	callindex = 0;
@@ -29,9 +29,7 @@ CallAtEnd(p)
 	if (callindex >= MAXPROCS) {
 		return 0;
 	}
-	else {
-		proclist[callindex++] = p;
-	}
+	proclist[callindex++] = p;
 	return 1;
 }