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authorRoland McGrath <roland@gnu.org>2002-10-15 22:50:43 +0000
committerRoland McGrath <roland@gnu.org>2002-10-15 22:50:43 +0000
commit9b21e6bcf8986e076ca8aa4862bb76b76605e591 (patch)
tree9654d1175dfcc8eb8d7cfd9dc8958b207d988e4f /include
parent146a03db8950595fe7ce64e4c9c397746d92d4b9 (diff)
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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.
Diffstat (limited to 'include')
-rw-r--r--include/errno.h8
-rw-r--r--include/libc-symbols.h6
-rw-r--r--include/netdb.h8
-rw-r--r--include/resolv.h5
4 files changed, 22 insertions, 5 deletions
diff --git a/include/errno.h b/include/errno.h
index eed947fd30..1663538661 100644
--- a/include/errno.h
+++ b/include/errno.h
@@ -24,8 +24,12 @@ extern int errno attribute_hidden;
 
 #  if USE___THREAD
 #   undef  errno
-#   define errno errno		/* For #ifndef errno tests.  */
-extern __thread int errno;
+#   ifndef NOT_IN_libc
+#    define errno __libc_errno
+#   else
+#    define errno errno		/* For #ifndef errno tests.  */
+#   endif
+extern __thread int errno attribute_tls_model_ie;
 #   define __set_errno(val) (errno = (val))
 #  else
 #   define __set_errno(val) (*__errno_location ()) = (val)
diff --git a/include/libc-symbols.h b/include/libc-symbols.h
index eb7b0dc321..69fe729d73 100644
--- a/include/libc-symbols.h
+++ b/include/libc-symbols.h
@@ -445,6 +445,12 @@
 # define attribute_hidden
 #endif
 
+#if defined HAVE_TLS_MODEL_ATTRIBUTE
+# define attribute_tls_model_ie __attribute__ ((tls_model ("initial-exec")))
+#else
+# define attribute_tls_model_ie
+#endif
+
 /* Handling on non-exported internal names.  We have to do this only
    for shared code.  */
 #ifdef SHARED
diff --git a/include/netdb.h b/include/netdb.h
index 423d5b496d..54cdda1eea 100644
--- a/include/netdb.h
+++ b/include/netdb.h
@@ -6,8 +6,12 @@
 #  include <tls.h>
 #  if USE___THREAD
 #   undef  h_errno
-#   define h_errno h_errno	/* For #ifndef h_errno tests.  */
-extern __thread int h_errno;
+#   ifndef NOT_IN_libc
+#    define h_errno __libc_h_errno
+#   else
+#    define h_errno h_errno	/* For #ifndef h_errno tests.  */
+#   endif
+extern __thread int h_errno attribute_tls_model_ie;
 #   define __set_h_errno(x)	(h_errno = (x))
 #  else
 static inline int
diff --git a/include/resolv.h b/include/resolv.h
index 2a4037c9c3..12b4f744da 100644
--- a/include/resolv.h
+++ b/include/resolv.h
@@ -16,7 +16,10 @@
 #  include <tls.h>
 #  if USE___THREAD
 #   undef _res
-extern __thread struct __res_state _res;
+#   ifndef NOT_IN_libc
+#    define _res __libc_res
+#   endif
+extern __thread struct __res_state _res attribute_tls_model_ie;
 #  endif
 # else
 #  ifndef __BIND_NOSTATIC