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authorgcc <gcc@7b3dc134-2b1b-0410-93df-9e9f96275f8d>2006-08-17 01:18:26 +0000
committergcc <gcc@7b3dc134-2b1b-0410-93df-9e9f96275f8d>2006-08-17 01:18:26 +0000
commit15f34685e7a9b5caf761af2ebf6afa20438d440b (patch)
treedc04ce3cdf040f198743c15b64557824de174680 /libc/inet/herrno.c
parent1e848e0e775a36f6359161f5deb890942ef42ff3 (diff)
downloadeglibc2-15f34685e7a9b5caf761af2ebf6afa20438d440b.tar.gz
Import glibc-mainline for 2006-08-16
git-svn-id: svn://svn.eglibc.org/fsf/trunk@4 7b3dc134-2b1b-0410-93df-9e9f96275f8d
Diffstat (limited to 'libc/inet/herrno.c')
-rw-r--r--libc/inet/herrno.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/libc/inet/herrno.c b/libc/inet/herrno.c
new file mode 100644
index 000000000..9ff30a191
--- /dev/null
+++ b/libc/inet/herrno.c
@@ -0,0 +1,47 @@
+/* Copyright (C) 1996,97,98,2002,2003 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
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <features.h>
+#include <netdb.h>
+#undef h_errno
+
+#include <tls.h>
+
+/* We need to have the error status variable of the resolver
+ accessible in the libc. */
+
+#if USE___THREAD
+__thread int h_errno;
+extern __thread int __libc_h_errno __attribute__ ((alias ("h_errno")))
+ attribute_hidden;
+# define h_errno __libc_h_errno
+#else
+/* This differs from plain `int h_errno;' in that it doesn't create
+ a common definition, but a plain symbol that resides in .bss,
+ which can have an alias. */
+int h_errno __attribute__((section (".bss")));
+weak_alias (h_errno, _h_errno)
+
+/* We declare these with compat_symbol so that they are not
+ visible at link time. Programs must use the accessor functions. */
+# if defined HAVE_ELF && defined SHARED && defined DO_VERSIONING
+# include <shlib-compat.h>
+compat_symbol (libc, h_errno, h_errno, GLIBC_2_0);
+compat_symbol (libc, _h_errno, _h_errno, GLIBC_2_0);
+# endif
+#endif