mirror of
https://github.com/MariaDB/server.git
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a60462d93e
In commit03ca6495dfand commitff5d306e29we forgot to remove some Google copyright notices related to a contribution of using atomic memory access in the old InnoDB mutex_t and rw_lock_t implementation. The copyright notices had been mostly added in commitc6232c06fadue to commita1bb700fd2. The following Google contributions remain: * some logic related to the parameter innodb_io_capacity * innodb_encrypt_tables, added in MariaDB Server 10.1
553 lines
18 KiB
C
553 lines
18 KiB
C
/*****************************************************************************
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Copyright (c) 1994, 2016, Oracle and/or its affiliates. All Rights Reserved.
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Copyright (c) 2013, 2022, MariaDB Corporation.
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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, Fifth Floor, Boston, MA 02110-1335 USA
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*****************************************************************************/
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/***********************************************************************//**
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@file include/univ.i
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Version control for database, common definitions, and include files
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Created 1/20/1994 Heikki Tuuri
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****************************************************************************/
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#pragma once
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/* aux macros to convert M into "123" (string) if M is defined like
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#define M 123 */
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#define _IB_TO_STR(s) #s
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#define IB_TO_STR(s) _IB_TO_STR(s)
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/* The following is the InnoDB version as shown in
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SELECT plugin_version FROM information_schema.plugins;
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calculated in make_version_string() in sql/sql_show.cc like this:
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"version >> 8" . "version & 0xff"
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because the version is shown with only one dot, we skip the last
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component, i.e. we show M.N.P as M.N */
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#define INNODB_VERSION_SHORT \
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(MYSQL_VERSION_MAJOR << 8 | MYSQL_VERSION_MINOR)
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#define INNODB_VERSION_STR \
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IB_TO_STR(MYSQL_VERSION_MAJOR) "." \
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IB_TO_STR(MYSQL_VERSION_MINOR) "." \
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IB_TO_STR(MYSQL_VERSION_PATCH)
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/** How far ahead should we tell the service manager the timeout
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(time in seconds) */
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#define INNODB_EXTEND_TIMEOUT_INTERVAL 30
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#if defined(_WIN32)
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# include <windows.h>
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#endif /* _WIN32 */
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/* Include a minimum number of SQL header files so that few changes
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made in SQL code cause a complete InnoDB rebuild. These headers are
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used throughout InnoDB but do not include too much themselves. They
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support cross-platform development and expose comonly used SQL names. */
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#include <my_global.h>
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#include "my_counter.h"
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#include "aligned.h"
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#include <m_string.h>
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#include <mysqld_error.h>
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/* Include <sys/stat.h> to get S_I... macros defined for os0file.cc */
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#include <sys/stat.h>
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#ifndef _WIN32
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# include <sched.h>
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# include "my_config.h"
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#endif
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#include <stdint.h>
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#include <inttypes.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include "my_pthread.h"
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/* Following defines are to enable performance schema
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instrumentation in each of five InnoDB modules if
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HAVE_PSI_INTERFACE is defined. */
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#ifdef HAVE_PSI_INTERFACE
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# define UNIV_PFS_MUTEX
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# define UNIV_PFS_RWLOCK
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# define UNIV_PFS_IO
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# define UNIV_PFS_THREAD
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# include "mysql/psi/psi.h" /* HAVE_PSI_MEMORY_INTERFACE */
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# ifdef HAVE_PSI_MEMORY_INTERFACE
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# define UNIV_PFS_MEMORY
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# endif /* HAVE_PSI_MEMORY_INTERFACE */
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#ifdef HAVE_PFS_THREAD_PROVIDER_H
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/* For PSI_MUTEX_CALL() and similar. */
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#include "pfs_thread_provider.h"
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#endif
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#include "mysql/psi/mysql_thread.h"
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/* For PSI_FILE_CALL(). */
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#ifdef HAVE_PFS_FILE_PROVIDER_H
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#include "pfs_file_provider.h"
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#endif
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#include "mysql/psi/mysql_file.h"
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#endif /* HAVE_PSI_INTERFACE */
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#ifdef _WIN32
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# define YY_NO_UNISTD_H 1
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/* VC++ tries to optimise for size by default, from V8+. The size of
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the pointer to member depends on whether the type is defined before the
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compiler sees the type in the translation unit. This default behaviour
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can cause the pointer to be a different size in different translation
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units, depending on the above rule. We force optimise for size behaviour
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for all cases. This is used by ut0lst.h related code. */
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# pragma pointers_to_members(full_generality, multiple_inheritance)
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#endif /* _WIN32 */
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/* DEBUG VERSION CONTROL
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===================== */
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/* When this macro is defined then additional test functions will be
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compiled. These functions live at the end of each relevant source file
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and have "test_" prefix. These functions can be called from the end of
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innodb_init() or they can be called from gdb after srv_start() has executed
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using the call command. */
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/*
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#define UNIV_COMPILE_TEST_FUNCS
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#define UNIV_ENABLE_UNIT_TEST_GET_PARENT_DIR
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#define UNIV_ENABLE_UNIT_TEST_MAKE_FILEPATH
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#define UNIV_ENABLE_UNIT_TEST_DICT_STATS
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#define UNIV_ENABLE_UNIT_TEST_ROW_RAW_FORMAT_INT
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*/
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#ifdef DBUG_OFF
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# undef UNIV_DEBUG
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#elif !defined UNIV_DEBUG
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# define UNIV_DEBUG
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#endif
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#if 0
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#define UNIV_DEBUG_PRINT /* Enable the compilation of
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some debug print functions */
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#define UNIV_AHI_DEBUG /* Enable adaptive hash index
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debugging without UNIV_DEBUG */
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#define UNIV_BLOB_LIGHT_DEBUG /* Enable off-page column
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debugging without UNIV_DEBUG */
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#define UNIV_DEBUG_LOCK_VALIDATE /* Enable
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ut_ad(lock_rec_validate_page())
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assertions. */
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#define UNIV_LRU_DEBUG /* debug the buffer pool LRU */
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#define UNIV_HASH_DEBUG /* debug HASH_ macros */
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#define UNIV_IBUF_DEBUG /* debug the insert buffer */
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#define UNIV_PERF_DEBUG /* debug flag that enables
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light weight performance
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related stuff. */
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#define UNIV_SEARCH_PERF_STAT /* statistics for the
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adaptive hash index */
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#define UNIV_BTR_PRINT /* enable functions for
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printing B-trees */
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#define UNIV_ZIP_DEBUG /* extensive consistency checks
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for compressed pages */
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#define UNIV_ZIP_COPY /* call page_zip_copy_recs()
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more often */
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#define UNIV_AIO_DEBUG /* prints info about
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submitted and reaped AIO
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requests to the log. */
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#define UNIV_STATS_DEBUG /* prints various stats
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related debug info from
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dict0stats.c */
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#define FTS_INTERNAL_DIAG_PRINT /* FTS internal debugging
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info output */
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#endif
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// #define UNIV_SQL_DEBUG
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#ifndef MY_ATTRIBUTE
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#if defined(__GNUC__)
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# define MY_ATTRIBUTE(A) __attribute__(A)
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#else
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# define MY_ATTRIBUTE(A)
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#endif
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#endif
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#define UNIV_INLINE static inline
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#define UNIV_WORD_SIZE SIZEOF_SIZE_T
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/** The following alignment is used in memory allocations in memory heap
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management to ensure correct alignment for doubles etc. */
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#define UNIV_MEM_ALIGNMENT 8U
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/*
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DATABASE VERSION CONTROL
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========================
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*/
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#ifdef HAVE_LZO
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#define IF_LZO(A,B) A
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#else
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#define IF_LZO(A,B) B
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#endif
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#ifdef HAVE_LZ4
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#define IF_LZ4(A,B) A
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#else
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#define IF_LZ4(A,B) B
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#endif
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#ifdef HAVE_LZMA
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#define IF_LZMA(A,B) A
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#else
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#define IF_LZMA(A,B) B
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#endif
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#ifdef HAVE_BZIP2
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#define IF_BZIP2(A,B) A
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#else
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#define IF_BZIP2(A,B) B
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#endif
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#ifdef HAVE_SNAPPY
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#define IF_SNAPPY(A,B) A
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#else
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#define IF_SNAPPY(A,B) B
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#endif
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#if defined (HAVE_FALLOC_PUNCH_HOLE_AND_KEEP_SIZE) || defined(_WIN32)
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#define IF_PUNCH_HOLE(A,B) A
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#else
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#define IF_PUNCH_HOLE(A,B) B
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#endif
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/** log2 of smallest compressed page size (1<<10 == 1024 bytes)
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Note: This must never change! */
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#define UNIV_ZIP_SIZE_SHIFT_MIN 10U
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/** log2 of largest compressed page size (1<<14 == 16384 bytes).
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A compressed page directory entry reserves 14 bits for the start offset
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and 2 bits for flags. This limits the uncompressed page size to 16k.
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*/
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#define UNIV_ZIP_SIZE_SHIFT_MAX 14U
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/* Define the Min, Max, Default page sizes. */
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/** Minimum Page Size Shift (power of 2) */
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#define UNIV_PAGE_SIZE_SHIFT_MIN 12U
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/** log2 of largest page size (1<<16 == 64436 bytes). */
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/** Maximum Page Size Shift (power of 2) */
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#define UNIV_PAGE_SIZE_SHIFT_MAX 16U
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/** log2 of default page size (1<<14 == 16384 bytes). */
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/** Default Page Size Shift (power of 2) */
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#define UNIV_PAGE_SIZE_SHIFT_DEF 14U
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/** Original 16k InnoDB Page Size Shift, in case the default changes */
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#define UNIV_PAGE_SIZE_SHIFT_ORIG 14U
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/** Original 16k InnoDB Page Size as an ssize (log2 - 9) */
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#define UNIV_PAGE_SSIZE_ORIG (UNIV_PAGE_SIZE_SHIFT_ORIG - 9U)
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/** Minimum page size InnoDB currently supports. */
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#define UNIV_PAGE_SIZE_MIN (1U << UNIV_PAGE_SIZE_SHIFT_MIN)
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/** Maximum page size InnoDB currently supports. */
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#define UNIV_PAGE_SIZE_MAX (1U << UNIV_PAGE_SIZE_SHIFT_MAX)
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/** Default page size for InnoDB tablespaces. */
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#define UNIV_PAGE_SIZE_DEF (1U << UNIV_PAGE_SIZE_SHIFT_DEF)
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/** Original 16k page size for InnoDB tablespaces. */
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#define UNIV_PAGE_SIZE_ORIG (1U << UNIV_PAGE_SIZE_SHIFT_ORIG)
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/** Smallest compressed page size */
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#define UNIV_ZIP_SIZE_MIN (1U << UNIV_ZIP_SIZE_SHIFT_MIN)
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/** Largest compressed page size */
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#define UNIV_ZIP_SIZE_MAX (1U << UNIV_ZIP_SIZE_SHIFT_MAX)
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/** Largest possible ssize for an uncompressed page.
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(The convention 'ssize' is used for 'log2 minus 9' or the number of
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shifts starting with 512.)
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This max number varies depending on srv_page_size. */
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#define UNIV_PAGE_SSIZE_MAX \
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ulint(srv_page_size_shift - UNIV_ZIP_SIZE_SHIFT_MIN + 1U)
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/** Smallest possible ssize for an uncompressed page. */
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#define UNIV_PAGE_SSIZE_MIN \
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ulint(UNIV_PAGE_SIZE_SHIFT_MIN - UNIV_ZIP_SIZE_SHIFT_MIN + 1U)
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/** Maximum number of parallel threads in a parallelized operation */
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#define UNIV_MAX_PARALLELISM 32
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/** This is the "mbmaxlen" for my_charset_filename (defined in
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strings/ctype-utf8.c), which is used to encode File and Database names. */
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#define FILENAME_CHARSET_MAXNAMLEN 5
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/** The maximum length of an encode table name in bytes. The max
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table and database names are NAME_CHAR_LEN (64) characters. After the
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encoding, the max length would be NAME_CHAR_LEN (64) *
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FILENAME_CHARSET_MAXNAMLEN (5) = 320 bytes. The number does not include a
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terminating '\0'. InnoDB can handle longer names internally */
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#define MAX_TABLE_NAME_LEN 320
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/** The maximum length of a database name. Like MAX_TABLE_NAME_LEN this is
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the MySQL's NAME_LEN, see check_and_convert_db_name(). */
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#define MAX_DATABASE_NAME_LEN MAX_TABLE_NAME_LEN
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/** MAX_FULL_NAME_LEN defines the full name path including the
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database name and table name. In addition, 14 bytes is added for:
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2 for surrounding quotes around table name
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1 for the separating dot (.)
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9 for the #mysql50# prefix */
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#define MAX_FULL_NAME_LEN \
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(MAX_TABLE_NAME_LEN + MAX_DATABASE_NAME_LEN + 14)
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/** Maximum length of the compression alogrithm string. Currently we support
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only (NONE | ZLIB | LZ4). */
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#define MAX_COMPRESSION_LEN 4
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/** The maximum length in bytes that a database name can occupy when stored in
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UTF8, including the terminating '\0', see dict_fs2utf8(). You must include
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mysql_com.h if you are to use this macro. */
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#define MAX_DB_UTF8_LEN (NAME_LEN + 1)
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/** The maximum length in bytes that a table name can occupy when stored in
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UTF8, including the terminating '\0', see dict_fs2utf8(). You must include
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mysql_com.h if you are to use this macro. */
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#define MAX_TABLE_UTF8_LEN (NAME_LEN + sizeof(srv_mysql50_table_name_prefix))
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/*
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UNIVERSAL TYPE DEFINITIONS
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==========================
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*/
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/** Unsigned octet of bits */
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typedef unsigned char byte;
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/** Machine-word-width unsigned integer */
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typedef size_t ulint;
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/** Machine-word-width signed integer */
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typedef ssize_t lint;
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/** ulint format for the printf() family of functions */
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#define ULINTPF "%zu"
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/** ulint hexadecimal format for the printf() family of functions */
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#define ULINTPFx "%zx"
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#ifdef _WIN32
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/* Use the integer types and formatting strings defined in Visual Studio. */
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# define UINT32PF "%u"
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# define UINT64scan "llu"
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# define UINT64PFx "%016llx"
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#elif defined __APPLE__
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/* Apple prefers to call the 64-bit types 'long long'
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in both 32-bit and 64-bit environments. */
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# define UINT32PF "%" PRIu32
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# define UINT64scan "llu"
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# define UINT64PFx "%016llx"
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#elif defined _AIX
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/* Workaround for macros expension trouble */
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# define UINT32PF "%u"
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# define UINT64scan "lu"
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# define UINT64PFx "%016lx"
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#else
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/* Use the integer types and formatting strings defined in the C99 standard. */
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# define UINT32PF "%" PRIu32
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# define INT64PF "%" PRId64
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# define UINT64scan PRIu64
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# define UINT64PFx "%016" PRIx64
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#endif
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typedef int64_t ib_int64_t;
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typedef uint64_t ib_uint64_t;
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typedef uint32_t ib_uint32_t;
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#define UINT64PF "%" UINT64scan
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#define IB_ID_FMT UINT64PF
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/** Log sequence number (also used for redo log byte arithmetics) */
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typedef ib_uint64_t lsn_t;
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/** The 'undefined' value for a ulint */
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#define ULINT_UNDEFINED ((ulint)(-1))
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/** The 'undefined' value for a ib_uint64_t */
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#define UINT64_UNDEFINED ((ib_uint64_t)(-1))
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/** The bitmask of 32-bit unsigned integer */
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#define ULINT32_MASK 0xFFFFFFFFU
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/** The undefined 32-bit unsigned integer */
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#define ULINT32_UNDEFINED ULINT32_MASK
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/** Maximum value for a ulint */
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#define ULINT_MAX ((ulint)(-2))
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/** Maximum value for ib_uint64_t */
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#define IB_UINT64_MAX ((ib_uint64_t) (~0ULL))
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/** The generic InnoDB system object identifier data type */
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typedef ib_uint64_t ib_id_t;
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#define IB_ID_MAX (~(ib_id_t) 0)
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#define IB_ID_FMT UINT64PF
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#ifndef UINTMAX_MAX
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#define UINTMAX_MAX IB_UINT64_MAX
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#endif
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/** This 'ibool' type is used within Innobase. Remember that different included
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headers may define 'bool' differently. Do not assume that 'bool' is a ulint! */
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#define ibool ulint
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#ifndef TRUE
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#define TRUE 1
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#define FALSE 0
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#endif
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#define UNIV_NOTHROW
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/** The following number as the length of a logical field means that the field
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has the SQL NULL as its value. NOTE that because we assume that the length
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of a field is a 32-bit integer when we store it, for example, to an undo log
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on disk, we must have also this number fit in 32 bits, also in 64-bit
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computers! */
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#define UNIV_SQL_NULL ULINT32_UNDEFINED
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/** Lengths which are not UNIV_SQL_NULL, but bigger than the following
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number indicate that a field contains a reference to an externally
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stored part of the field in the tablespace. The length field then
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contains the sum of the following flag and the locally stored len. */
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#define UNIV_EXTERN_STORAGE_FIELD (UNIV_SQL_NULL - UNIV_PAGE_SIZE_DEF)
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#if defined(__GNUC__)
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/* Tell the compiler that variable/function is unused. */
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# define UNIV_UNUSED MY_ATTRIBUTE ((unused))
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#else
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# define UNIV_UNUSED
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#endif /* CHECK FOR GCC VER_GT_2 */
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/* Some macros to improve branch prediction and reduce cache misses */
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#ifdef __GNUC__
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/* Tell the compiler that 'expr' probably evaluates to 'constant'. */
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# define UNIV_EXPECT(expr,constant) __builtin_expect(expr, constant)
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/* Tell the compiler that a pointer is likely to be NULL */
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# define UNIV_LIKELY_NULL(ptr) __builtin_expect((ptr) != 0, 0)
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/* Minimize cache-miss latency by moving data at addr into a cache before
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it is read. */
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# define UNIV_PREFETCH_R(addr) __builtin_prefetch(addr, 0, 3)
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/* Minimize cache-miss latency by moving data at addr into a cache before
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it is read or written. */
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# define UNIV_PREFETCH_RW(addr) __builtin_prefetch(addr, 1, 3)
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/* Sun Studio includes sun_prefetch.h as of version 5.9 */
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#elif (defined(__SUNPRO_C) || defined(__SUNPRO_CC))
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# include <sun_prefetch.h>
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# define UNIV_EXPECT(expr,value) (expr)
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# define UNIV_LIKELY_NULL(expr) (expr)
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//# define UNIV_PREFETCH_R(addr) sun_prefetch_read_many((void*) addr)
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# define UNIV_PREFETCH_R(addr) ((void) 0)
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# define UNIV_PREFETCH_RW(addr) sun_prefetch_write_many(addr)
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# elif defined _MSC_VER
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# define UNIV_EXPECT(expr,value) (expr)
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# define UNIV_LIKELY_NULL(expr) (expr)
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# if defined _M_IX86 || defined _M_X64
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// __MM_HINT_T0 - (temporal data)
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// prefetch data into all levels of the cache hierarchy.
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|
# define UNIV_PREFETCH_R(addr) _mm_prefetch((char *) addr, _MM_HINT_T0)
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# define UNIV_PREFETCH_RW(addr) _mm_prefetch((char *) addr, _MM_HINT_T0)
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|
# elif defined _M_ARM64
|
|
# define UNIV_PREFETCH_R(addr) __prefetch(addr)
|
|
# define UNIV_PREFETCH_RW(addr) __prefetch(addr)
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|
# else
|
|
# define UNIV_PREFETCH_R ((void) 0)
|
|
# define UNIV_PREFETCH_RW(addr) ((void) 0)
|
|
# endif
|
|
#else
|
|
/* Dummy versions of the macros */
|
|
# define UNIV_EXPECT(expr,value) (expr)
|
|
# define UNIV_LIKELY_NULL(expr) (expr)
|
|
# define UNIV_PREFETCH_R(addr) ((void) 0)
|
|
# define UNIV_PREFETCH_RW(addr) ((void) 0)
|
|
#endif
|
|
|
|
/* Tell the compiler that cond is likely to hold */
|
|
#define UNIV_LIKELY(cond) UNIV_EXPECT(cond, TRUE)
|
|
/* Tell the compiler that cond is unlikely to hold */
|
|
#define UNIV_UNLIKELY(cond) UNIV_EXPECT(cond, FALSE)
|
|
|
|
/* Compile-time constant of the given array's size. */
|
|
#define UT_ARR_SIZE(a) (sizeof(a) / sizeof((a)[0]))
|
|
|
|
#include <stdio.h>
|
|
#include "db0err.h"
|
|
#include "ut0dbg.h"
|
|
#include "ut0lst.h"
|
|
#include "ut0ut.h"
|
|
|
|
extern ulong srv_page_size_shift;
|
|
extern ulong srv_page_size;
|
|
|
|
/* Dimension of spatial object we support so far. It has its root in
|
|
myisam/sp_defs.h. We only support 2 dimension data */
|
|
#define SPDIMS 2
|
|
|
|
#ifdef HAVE_PSI_INTERFACE
|
|
typedef unsigned int mysql_pfs_key_t;
|
|
|
|
# ifdef UNIV_PFS_MUTEX
|
|
extern mysql_pfs_key_t buf_pool_mutex_key;
|
|
extern mysql_pfs_key_t dict_foreign_err_mutex_key;
|
|
extern mysql_pfs_key_t fil_system_mutex_key;
|
|
extern mysql_pfs_key_t flush_list_mutex_key;
|
|
extern mysql_pfs_key_t fts_cache_mutex_key;
|
|
extern mysql_pfs_key_t fts_cache_init_mutex_key;
|
|
extern mysql_pfs_key_t fts_delete_mutex_key;
|
|
extern mysql_pfs_key_t fts_doc_id_mutex_key;
|
|
extern mysql_pfs_key_t ibuf_bitmap_mutex_key;
|
|
extern mysql_pfs_key_t ibuf_mutex_key;
|
|
extern mysql_pfs_key_t ibuf_pessimistic_insert_mutex_key;
|
|
extern mysql_pfs_key_t log_sys_mutex_key;
|
|
extern mysql_pfs_key_t log_flush_order_mutex_key;
|
|
extern mysql_pfs_key_t recalc_pool_mutex_key;
|
|
extern mysql_pfs_key_t purge_sys_pq_mutex_key;
|
|
extern mysql_pfs_key_t recv_sys_mutex_key;
|
|
extern mysql_pfs_key_t rtr_active_mutex_key;
|
|
extern mysql_pfs_key_t rtr_match_mutex_key;
|
|
extern mysql_pfs_key_t rtr_path_mutex_key;
|
|
extern mysql_pfs_key_t page_zip_stat_per_index_mutex_key;
|
|
extern mysql_pfs_key_t srv_innodb_monitor_mutex_key;
|
|
extern mysql_pfs_key_t srv_misc_tmpfile_mutex_key;
|
|
extern mysql_pfs_key_t srv_monitor_file_mutex_key;
|
|
extern mysql_pfs_key_t buf_dblwr_mutex_key;
|
|
extern mysql_pfs_key_t trx_pool_mutex_key;
|
|
extern mysql_pfs_key_t trx_pool_manager_mutex_key;
|
|
extern mysql_pfs_key_t lock_wait_mutex_key;
|
|
extern mysql_pfs_key_t srv_threads_mutex_key;
|
|
# endif /* UNIV_PFS_MUTEX */
|
|
|
|
# ifdef UNIV_PFS_RWLOCK
|
|
extern mysql_pfs_key_t dict_operation_lock_key;
|
|
extern mysql_pfs_key_t fil_space_latch_key;
|
|
extern mysql_pfs_key_t trx_i_s_cache_lock_key;
|
|
extern mysql_pfs_key_t trx_purge_latch_key;
|
|
extern mysql_pfs_key_t index_tree_rw_lock_key;
|
|
extern mysql_pfs_key_t index_online_log_key;
|
|
extern mysql_pfs_key_t trx_sys_rw_lock_key;
|
|
extern mysql_pfs_key_t lock_latch_key;
|
|
extern mysql_pfs_key_t trx_rseg_latch_key;
|
|
# endif /* UNIV_PFS_RWLOCK */
|
|
#endif /* HAVE_PSI_INTERFACE */
|