Temporary commit of merge of MariaDB 10.0-base and MySQL 5.6

1 files changed, 72 insertions, 0 deletions

diff --git a/storage/innobase/include/buf0dump.h b/storage/innobase/include/buf0dump.h
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+/*****************************************************************************
+
+Copyright (c) 2011, 2011, Oracle and/or its affiliates. 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.,
+51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
+
+*****************************************************************************/
+
+/**************************************************//**
+@file buf/buf0dump.h
+Implements a buffer pool dump/load.
+
+Created April 08, 2011 Vasil Dimov
+*******************************************************/
+
+#ifndef buf0dump_h
+#define buf0dump_h
+
+#include "univ.i"
+
+/*****************************************************************//**
+Wakes up the buffer pool dump/load thread and instructs it to start
+a dump. This function is called by MySQL code via buffer_pool_dump_now()
+and it should return immediately because the whole MySQL is frozen during
+its execution. */
+UNIV_INTERN
+void
+buf_dump_start();
+/*============*/
+
+/*****************************************************************//**
+Wakes up the buffer pool dump/load thread and instructs it to start
+a load. This function is called by MySQL code via buffer_pool_load_now()
+and it should return immediately because the whole MySQL is frozen during
+its execution. */
+UNIV_INTERN
+void
+buf_load_start();
+/*============*/
+
+/*****************************************************************//**
+Aborts a currently running buffer pool load. This function is called by
+MySQL code via buffer_pool_load_abort() and it should return immediately
+because the whole MySQL is frozen during its execution. */
+UNIV_INTERN
+void
+buf_load_abort();
+/*============*/
+
+/*****************************************************************//**
+This is the main thread for buffer pool dump/load. It waits for an
+event and when waked up either performs a dump or load and sleeps
+again.
+@return this function does not return, it calls os_thread_exit() */
+extern "C" UNIV_INTERN
+os_thread_ret_t
+DECLARE_THREAD(buf_dump_thread)(
+/*============================*/
+	void*	arg);				/*!< in: a dummy parameter
+						required by os_thread_create */
+
+#endif /* buf0dump_h */