Remove support for !USE___THREAD

resolv/res-state.c

@@ -1,4 +1,4 @@
-/* Copyright (C) 1996, 97, 98, 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 1996, 97, 98, 2002, 2003, 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -19,27 +19,10 @@
 #include <resolv.h>
 #include <tls.h>
 
-#if ! USE___THREAD
-
-# undef _res
-extern struct __res_state _res;
-
-/* When threaded, _res may be a per-thread variable.  */
-struct __res_state *
-weak_const_function
-__res_state (void)
-{
-  return &_res;
-}
-
-#else
 
 struct __res_state *
 __res_state (void)
 {
   return __resp;
 }
-
-#endif
-
 libc_hidden_def (__res_state)

resolv/res_libc.c

@@ -126,12 +126,10 @@ struct __res_state _res __attribute__((section (".bss")));
 
 #include <tls.h>
 
-#if USE___THREAD
 #undef __resp
 __thread struct __res_state *__resp = &_res;
 extern __thread struct __res_state *__libc_resp
   __attribute__ ((alias ("__resp"))) attribute_hidden;
-#endif
 
 /* We declare this with compat_symbol so that it's not
    visible at link time.  Programs must use the accessor functions.  */