Index: gdb/frame.h
===================================================================
RCS file: /home/ncvs/src/contrib/gdb/gdb/frame.h,v
retrieving revision 1.1.1.4
diff -u -r1.1.1.4 frame.h
--- gdb/frame.h	20 Jun 2004 18:17:03 -0000	1.1.1.4
+++ gdb/frame.h	7 Dec 2004 02:43:25 -0000
@@ -551,7 +551,7 @@
 extern void show_and_print_stack_frame (struct frame_info *fi, int level,
 					int source);
 
-extern void print_stack_frame (struct frame_info *, int, int);
+extern int print_stack_frame (struct frame_info *, int, int);
 
 extern void show_stack_frame (struct frame_info *);
 
Index: gdb/stack.c
===================================================================
RCS file: /home/ncvs/src/contrib/gdb/gdb/stack.c,v
retrieving revision 1.1.1.4
diff -u -r1.1.1.4 stack.c
--- gdb/stack.c	20 Jun 2004 18:20:35 -0000	1.1.1.4
+++ gdb/stack.c	7 Dec 2004 02:42:18 -0000
@@ -134,7 +134,7 @@
   struct print_stack_frame_args *p = (struct print_stack_frame_args *) args;
 
   print_frame_info (p->fi, p->level, p->source, p->args);
-  return 0;
+  return 1;
 }
 
 /* Show or print a stack frame briefly.  FRAME_INFI should be the frame info
@@ -147,7 +147,7 @@
    If SOURCE is 1, print the source line as well.
    If SOURCE is -1, print ONLY the source line.  */
 
-void
+int
 print_stack_frame (struct frame_info *fi, int level, int source)
 {
   struct print_stack_frame_args args;
@@ -157,7 +157,7 @@
   args.source = source;
   args.args = 1;
 
-  catch_errors (print_stack_frame_stub, (char *) &args, "", RETURN_MASK_ALL);
+  return catch_errors (print_stack_frame_stub, (char *) &args, "", RETURN_MASK_ALL);
 }  
 
 struct print_args_args
Index: gdb/thread.c
===================================================================
RCS file: /home/ncvs/src/contrib/gdb/gdb/thread.c,v
retrieving revision 1.4
diff -u -r1.4 thread.c
--- gdb/thread.c	20 Jun 2004 19:47:26 -0000	1.4
+++ gdb/thread.c	7 Dec 2004 03:05:21 -0000
@@ -448,7 +448,8 @@
       puts_filtered ("  ");
 
       switch_to_thread (tp->ptid);
-      print_stack_frame (get_selected_frame (), -1, 0);
+      if (print_stack_frame (get_selected_frame (), -1, 0) == 0)
+	break;
     }
 
   switch_to_thread (current_ptid);