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-rw-r--r--hurd/errno-loc.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/hurd/errno-loc.c b/hurd/errno-loc.c
new file mode 100644
index 0000000000..85e4e7d47b
--- /dev/null
+++ b/hurd/errno-loc.c
@@ -0,0 +1,28 @@
+/* __errno_location -- helper function for locating per-thread errno value
+   Copyright (C) 2002 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 <errno.h>
+#include <hurd/threadvar.h>
+
+int *
+__errno_location (void)
+{
+  return (int *) __hurd_threadvar_location (_HURD_THREADVAR_ERRNO);
+}
+strong_alias (__errno_location, __hurd_errno_location)