2002-10-16 Jakub Jelinek <jakub@redhat.com>

	* include/libc-symbols.h (attribute_tls_model_ie): Define.
	* include/errno.h (errno): Define to __libc_errno in libc.so.
	Add attribute_tls_model_ie.
	* include/netdb.h (h_errno): Define to __libc_h_errno in libc.so.
	Add attribute_tls_model_ie.
	* include/resolv.h (_res): Define to __libc_res in libc.so.  Add
	attribute_tls_model_ie.
	* inet/herrno.c (__libc_h_errno): Add hidden alias to h_errno.
	(h_errno): Define.
	* resolv/res_libc.c (__libc_res): Add hidden alias to _res.
	(_res): Define.
	* sysdeps/generic/bits/libc-tsd.h (__libc_tsd_define): Add
	attribute_tls_model_ie.
	* sysdeps/generic/errno-loc.c (errno): Only undefine if not using
	__thread.
	* sysdeps/generic/errno.c (__libc_errno): Add hidden alias to errno.
	* sysdeps/unix/sysv/linux/i386/sysdep.h (SYSCALL_ERROR_HANDLER): Use
	__libc_errno in USE___THREAD case.
	* sysdeps/unix/sysv/linux/x86_64/sysdep.h (SYSCALL_ERROR_HANDLER):
	Likewise.
	* configure.in (HAVE_TLS_MODEL_ATTRIBUTE): Check for
	__attribute__((tls_model (""))).
	* configure: Rebuilt.
	* config.h.in (HAVE_TLS_MODEL_ATTRIBUTE): Add.

1 files changed, 3 insertions, 0 deletions

diff --git a/resolv/res_libc.c b/resolv/res_libc.c
index 9f9af1d701..60f7febf05 100644
--- a/resolv/res_libc.c
+++ b/resolv/res_libc.c
@@ -27,6 +27,9 @@
 #if USE_TLS && HAVE___THREAD
 /* With __thread support, this per-thread variable is used in all cases.  */
 __thread struct __res_state _res;
+extern __thread struct __res_state __libc_res __attribute__ ((alias ("_res")))
+  attribute_hidden;
+# define _res __libc_res
 #else
 /* The resolver state for use by single-threaded programs.  */
 struct __res_state _res;