66 lines
2.6 KiB
C
66 lines
2.6 KiB
C
/*****************************************************************************
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Copyright (c) 2011, 2018, 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, version 2.0, as published by the
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Free Software Foundation.
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This program is also distributed with certain software (including but not
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limited to OpenSSL) that is licensed under separate terms, as designated in a
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particular file or component or in included license documentation. The authors
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of MySQL hereby grant you an additional permission to link the program and
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your derivative works with the separately licensed software that they have
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included with MySQL.
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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, version 2.0,
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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 St, Fifth Floor, Boston, MA 02110-1301 USA
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*****************************************************************************/
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/** @file include/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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/** 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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void buf_dump_start();
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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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void buf_load_start();
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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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void buf_load_abort();
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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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void buf_dump_thread();
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/** Generate the path to the buffer pool dump/load file.
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@param[out] path generated path
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@param[in] path_size size of 'path', used as in snprintf(3). */
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void buf_dump_generate_path(char *path, size_t path_size);
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#endif /* buf0dump_h */
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