77 lines
2.7 KiB
C
77 lines
2.7 KiB
C
/* Copyright (c) 2018, 2021, Alibaba and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL/PolarDB-X Engine hereby grant you an
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additional permission to link the program and your derivative works with the
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separately licensed software that they have included with
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MySQL/PolarDB-X Engine.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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/** @file include/srv0file.h
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Interface of data file purge operation.
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Created 1/11/2019 Galaxy SQL
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*******************************************************/
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#ifndef srv0file_h
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#define srv0file_h
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#ifdef UNIV_PFS_THREAD
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/* File purge thread PFS key */
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extern mysql_pfs_key_t srv_file_purge_thread_key;
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#endif
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#ifdef UNIV_PFS_MUTEX
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/* File purge list mutex PFS key */
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extern mysql_pfs_key_t file_purge_list_mutex_key;
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#endif
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/** Whether enable the data file purge asynchronously little by little */
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extern bool srv_data_file_purge;
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/** Whether unlink the file immediately by purge thread */
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extern bool srv_data_file_purge_immediate;
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/** Whether purge all when normal shutdown */
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extern bool srv_data_file_purge_all_at_shutdown;
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/** Time interval (milliseconds) every data file purge operation */
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extern ulong srv_data_file_purge_interval;
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/** Max size (MB) every data file purge operation */
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extern ulong srv_data_file_purge_max_size;
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/** The directory that purged data file will be removed into */
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extern char *srv_data_file_purge_dir;
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/** Whether to print data file purge process */
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extern bool srv_print_data_file_purge_process;
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/** Data file purge system initialize when InnoDB server boots */
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extern void srv_file_purge_init();
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/** Data file purge system destroy when InnoDB server shutdown */
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extern void srv_file_purge_destroy();
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/** Data file purge thread runtime */
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extern void srv_file_purge_thread(void);
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/** Wakeup the background thread when shutdown */
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extern void srv_wakeup_file_purge_thread(void);
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/** Os event for purge thread */
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extern os_event_t file_purge_event;
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#endif
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