/* gv.h
*
- * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- * 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, by Larry Wall and others
+ * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
+ * 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 by Larry Wall and others
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
#endif
#define GvREFCNT(gv) (GvGP(gv)->gp_refcnt)
-#define GvIO(gv) ((gv) && SvTYPE((SV*)gv) == SVt_PVGV && GvGP(gv) ? GvIOp(gv) : NULL)
+#define GvIO(gv) ((gv) && SvTYPE((const SV*)gv) == SVt_PVGV && GvGP(gv) ? GvIOp(gv) : NULL)
#define GvIOp(gv) (GvGP(gv)->gp_io)
#define GvIOn(gv) (GvIO(gv) ? GvIOp(gv) : GvIOp(gv_IOadd(gv)))
#define GvIN_PAD_on(gv) (GvFLAGS(gv) |= GVf_IN_PAD)
#define GvIN_PAD_off(gv) (GvFLAGS(gv) &= ~GVf_IN_PAD)
-#define GvUNIQUE(gv) 0
-#define GvUNIQUE_on(gv) NOOP
-#define GvUNIQUE_off(gv) NOOP
-
-#ifdef USE_ITHREADS
-#define GV_UNIQUE_CHECK
-#else
-#undef GV_UNIQUE_CHECK
-#endif
-
#ifndef PERL_CORE
# define Nullgv Null(GV*)
#endif