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diff --git a/storage/xtradb/include/thr0loc.h b/storage/xtradb/include/thr0loc.h
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+/*****************************************************************************
+
+Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved.
+
+This program is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free Software
+Foundation; version 2 of the License.
+
+This program 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with
+this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+Place, Suite 330, Boston, MA 02111-1307 USA
+
+*****************************************************************************/
+
+/******************************************************
+The thread local storage
+
+Created 10/5/1995 Heikki Tuuri
+*******************************************************/
+
+/* This module implements storage private to each thread,
+a capability useful in some situations like storing the
+OS handle to the current thread, or its priority. */
+
+#ifndef thr0loc_h
+#define thr0loc_h
+
+#include "univ.i"
+#include "os0thread.h"
+
+/********************************************************************
+Initializes the thread local storage module. */
+UNIV_INTERN
+void
+thr_local_init(void);
+/*================*/
+/***********************************************************************
+Creates a local storage struct for the calling new thread. */
+UNIV_INTERN
+void
+thr_local_create(void);
+/*==================*/
+/***********************************************************************
+Frees the local storage struct for the specified thread. */
+UNIV_INTERN
+void
+thr_local_free(
+/*===========*/
+	os_thread_id_t	id);	/* in: thread id */
+/***********************************************************************
+Gets the slot number in the thread table of a thread. */
+UNIV_INTERN
+ulint
+thr_local_get_slot_no(
+/*==================*/
+				/* out: slot number */
+	os_thread_id_t	id);	/* in: thread id of the thread */
+/***********************************************************************
+Sets in the local storage the slot number in the thread table of a thread. */
+UNIV_INTERN
+void
+thr_local_set_slot_no(
+/*==================*/
+	os_thread_id_t	id,	/* in: thread id of the thread */
+	ulint		slot_no);/* in: slot number */
+/***********************************************************************
+Returns pointer to the 'in_ibuf' field within the current thread local
+storage. */
+UNIV_INTERN
+ibool*
+thr_local_get_in_ibuf_field(void);
+/*=============================*/
+			/* out: pointer to the in_ibuf field */
+
+/*************************************************************************
+Return local hash table informations. */
+
+ulint
+thr_local_hash_cells(void);
+/*=======================*/
+
+ulint
+thr_local_hash_nodes(void);
+/*=======================*/
+
+#ifndef UNIV_NONINL
+#include "thr0loc.ic"
+#endif
+
+#endif