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62 lines
2.1 KiB
C++
62 lines
2.1 KiB
C++
#ifndef DEBUG_SYNC_INCLUDED
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#define DEBUG_SYNC_INCLUDED
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/* Copyright (c) 2009, 2010, Oracle 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 as published by
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the Free Software Foundation; version 2 of the License.
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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 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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/**
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@file
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Declarations for the Debug Sync Facility. See debug_sync.cc for details.
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*/
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#ifdef USE_PRAGMA_INTERFACE
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#pragma interface /* gcc class implementation */
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#endif
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#include <my_global.h>
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class THD;
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#if defined(ENABLED_DEBUG_SYNC)
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/* Macro to be put in the code at synchronization points. */
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#define DEBUG_SYNC(_thd_, _sync_point_name_) \
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do { if (unlikely(opt_debug_sync_timeout)) \
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debug_sync(_thd_, STRING_WITH_LEN(_sync_point_name_)); \
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} while (0)
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/* Command line option --debug-sync-timeout. See mysqld.cc. */
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extern uint opt_debug_sync_timeout;
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/* Default WAIT_FOR timeout if command line option is given without argument. */
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#define DEBUG_SYNC_DEFAULT_WAIT_TIMEOUT 300
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/* Debug Sync prototypes. See debug_sync.cc. */
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extern int debug_sync_init(void);
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extern void debug_sync_end(void);
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extern void debug_sync_init_thread(THD *thd);
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extern void debug_sync_end_thread(THD *thd);
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extern void debug_sync(THD *thd, const char *sync_point_name, size_t name_len);
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extern bool debug_sync_set_action(THD *thd, const char *action_str, size_t len);
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#else /* defined(ENABLED_DEBUG_SYNC) */
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#define DEBUG_SYNC(_thd_, _sync_point_name_) /* disabled DEBUG_SYNC */
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#endif /* defined(ENABLED_DEBUG_SYNC) */
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#endif /* DEBUG_SYNC_INCLUDED */
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