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2917bd0d2c
Making changes to wsrep_mysqld.h causes large parts of server code to be recompiled. The reason is that wsrep_mysqld.h is included by sql_class.h, even tough very little of wsrep_mysqld.h is needed in sql_class.h. This commit introduces a new header file, wsrep_on.h, which is meant to be included from sql_class.h, and contains only macros and variable declarations used to determine whether wsrep is enabled. Also, header wsrep.h should only contain definitions that are also used outside of sql/. Therefore, move WSREP_TO_ISOLATION* and WSREP_SYNC_WAIT macros to wsrep_mysqld.h. Reviewed-by: Jan Lindström <jan.lindstrom@mariadb.com>
63 lines
1.9 KiB
C
63 lines
1.9 KiB
C
/* Copyright 2022 Codership Oy <http://www.codership.com>
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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 Street, Fifth Floor, Boston, MA 02111-1301 USA */
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#ifndef WSREP_ON_H
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#define WSREP_ON_H
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#ifdef WITH_WSREP
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extern bool WSREP_ON_;
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extern bool WSREP_PROVIDER_EXISTS_;
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extern my_bool wsrep_emulate_bin_log;
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extern ulong wsrep_forced_binlog_format;
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#define WSREP_ON unlikely(WSREP_ON_)
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/* use xxxxxx_NNULL macros when thd pointer is guaranteed to be non-null to
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* avoid compiler warnings (GCC 6 and later) */
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#define WSREP_NNULL(thd) \
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(WSREP_PROVIDER_EXISTS_ && thd->variables.wsrep_on)
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#define WSREP(thd) \
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(thd && WSREP_NNULL(thd))
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#define WSREP_CLIENT_NNULL(thd) \
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(WSREP_NNULL(thd) && thd->wsrep_client_thread)
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#define WSREP_CLIENT(thd) \
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(WSREP(thd) && thd->wsrep_client_thread)
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#define WSREP_EMULATE_BINLOG_NNULL(thd) \
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(WSREP_NNULL(thd) && wsrep_emulate_bin_log)
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#define WSREP_EMULATE_BINLOG(thd) \
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(WSREP(thd) && wsrep_emulate_bin_log)
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#define WSREP_BINLOG_FORMAT(my_format) \
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((wsrep_forced_binlog_format != BINLOG_FORMAT_UNSPEC) ? \
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wsrep_forced_binlog_format : my_format)
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#else
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#define WSREP_ON false
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#define WSREP(T) (0)
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#define WSREP_NNULL(T) (0)
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#define WSREP_EMULATE_BINLOG(thd) (0)
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#define WSREP_EMULATE_BINLOG_NNULL(thd) (0)
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#define WSREP_BINLOG_FORMAT(my_format) ((ulong)my_format)
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#endif
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#endif
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