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73 lines
2.6 KiB
C
73 lines
2.6 KiB
C
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/*****************************************************************************
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Copyright (c) 2011, 2011, Oracle and/or its affiliates. All Rights Reserved.
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
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*****************************************************************************/
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/**************************************************//**
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@file buf/buf0dump.h
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Implements a buffer pool dump/load.
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Created April 08, 2011 Vasil Dimov
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*******************************************************/
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#ifndef buf0dump_h
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#define buf0dump_h
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#include "univ.i"
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/*****************************************************************//**
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Wakes up the buffer pool dump/load thread and instructs it to start
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a dump. This function is called by MySQL code via buffer_pool_dump_now()
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and it should return immediately because the whole MySQL is frozen during
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its execution. */
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UNIV_INTERN
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void
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buf_dump_start();
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/*============*/
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/*****************************************************************//**
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Wakes up the buffer pool dump/load thread and instructs it to start
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a load. This function is called by MySQL code via buffer_pool_load_now()
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and it should return immediately because the whole MySQL is frozen during
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its execution. */
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UNIV_INTERN
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void
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buf_load_start();
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/*============*/
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/*****************************************************************//**
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Aborts a currently running buffer pool load. This function is called by
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MySQL code via buffer_pool_load_abort() and it should return immediately
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because the whole MySQL is frozen during its execution. */
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UNIV_INTERN
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void
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buf_load_abort();
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/*============*/
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/*****************************************************************//**
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This is the main thread for buffer pool dump/load. It waits for an
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event and when waked up either performs a dump or load and sleeps
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again.
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@return this function does not return, it calls os_thread_exit() */
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extern "C" UNIV_INTERN
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os_thread_ret_t
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DECLARE_THREAD(buf_dump_thread)(
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/*============================*/
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void* arg); /*!< in: a dummy parameter
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required by os_thread_create */
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#endif /* buf0dump_h */
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