From 3c68d115ff525228ef89a7f8b87fd6cd973bd8e8 Mon Sep 17 00:00:00 2001
From: schani <none@none>
Date: Thu, 18 Nov 1999 18:30:16 +0000
Subject: [PATCH] Clean bugfix for gc-bug.

---
 mm/heap2.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/mm/heap2.c b/mm/heap2.c
index aee5d7d6a..f99b6812f 100644
--- a/mm/heap2.c
+++ b/mm/heap2.c
@@ -858,7 +858,7 @@ void gc_mark_stack (void)
 #ifdef USE_THREADS 
     thread *aThread;
 	
-	if (currentThread == NULL) {
+	if (currentThread == NULL || currentThread == mainThread) {
 		void **top_of_stack = &dummy;
 		
 		if (top_of_stack > stackbottom)
@@ -872,9 +872,9 @@ void gc_mark_stack (void)
 			gc_mark_object_at((void*)aThread);
 			if (CONTEXT(aThread).usedStackTop > CONTEXT(aThread).stackEnd)
 				markreferences((void**)CONTEXT(aThread).stackEnd,
-							   (void**)CONTEXT(aThread).usedStackTop + 64);
+							   (void**)CONTEXT(aThread).usedStackTop);
 			else 	
-				markreferences((void**)CONTEXT(aThread).usedStackTop - 64,
+				markreferences((void**)CONTEXT(aThread).usedStackTop,
 							   (void**)CONTEXT(aThread).stackEnd);
 	    }
 
@@ -950,7 +950,6 @@ gc_call (void)
 
 	intsDisable();
 	if (currentThread == NULL || currentThread == mainThread) {
-		CONTEXT(mainThread).usedStackTop = &dummy;
 		gc_run();
 		}
 	else
-- 
2.25.1