--- gforth/engine/io.c	2007/07/01 19:05:00	1.28
+++ gforth/engine/io.c	2007/12/31 17:34:59	1.31
@@ -1,6 +1,6 @@
 /* direct key io driver
 
-  Copyright (C) 1995,1996,1997,1998,1999,2002,2003,2006 Free Software Foundation, Inc.
+  Copyright (C) 1995,1996,1997,1998,1999,2002,2003,2006,2007 Free Software Foundation, Inc.
 
   This file is part of Gforth.
 
@@ -651,7 +651,7 @@ Cell getkey(FILE * stream)
     prep_terminal();
 
   result = fread(&c, sizeof(c), 1, stream);
-  return result==0 ? EOF : c;
+  return result==0 ? (errno == EINTR ? 12 : 4) : c;
 }
 
 #ifdef STANDALONE