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165 lines
6.5 KiB
165 lines
6.5 KiB
5 months ago
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/* Copyright (c) 2000, 2019, 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, 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 hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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Without limiting anything contained in the foregoing, this file,
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which is part of C Driver for MySQL (Connector/C), is also subject to the
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Universal FOSS Exception, version 1.0, a copy of which can be found at
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http://oss.oracle.com/licenses/universal-foss-exception.
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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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/**
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@file mysys/my_static.cc
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Static variables for mysys library. All defined here for easy making of
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a shared library.
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*/
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#include "mysys/my_static.h"
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#include "my_config.h"
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#include <stdarg.h>
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#include <stddef.h>
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#include "my_compiler.h"
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#include "my_loglevel.h"
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#include "mysql/psi/mysql_cond.h"
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#include "mysql/psi/mysql_mutex.h"
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#include "mysql/psi/psi_base.h"
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#include "mysql/psi/psi_memory.h"
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#include "mysql/psi/psi_stage.h"
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#include "mysys/mysys_priv.h" // IWYU pragma: keep
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/* get memory in hunks */
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constexpr uint ONCE_ALLOC_INIT = 4096 - MALLOC_OVERHEAD;
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PSI_memory_key key_memory_charset_file;
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PSI_memory_key key_memory_charset_loader;
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PSI_memory_key key_memory_lf_node;
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PSI_memory_key key_memory_lf_dynarray;
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PSI_memory_key key_memory_lf_slist;
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PSI_memory_key key_memory_LIST;
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PSI_memory_key key_memory_IO_CACHE;
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PSI_memory_key key_memory_KEY_CACHE;
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PSI_memory_key key_memory_SAFE_HASH_ENTRY;
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PSI_memory_key key_memory_MY_BITMAP_bitmap;
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PSI_memory_key key_memory_my_compress_alloc;
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PSI_memory_key key_memory_my_err_head;
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PSI_memory_key key_memory_my_file_info;
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PSI_memory_key key_memory_max_alloca;
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PSI_memory_key key_memory_MY_DIR;
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PSI_memory_key key_memory_MY_TMPDIR_full_list;
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PSI_memory_key key_memory_DYNAMIC_STRING;
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PSI_memory_key key_memory_TREE;
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PSI_thread_key key_thread_timer_notifier;
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#ifdef _WIN32
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PSI_memory_key key_memory_win_SECURITY_ATTRIBUTES;
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PSI_memory_key key_memory_win_PACL;
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PSI_memory_key key_memory_win_IP_ADAPTER_ADDRESSES;
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#endif /* _WIN32 */
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/* from my_init */
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char *home_dir = 0;
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const char *my_progname = 0;
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char curr_dir[FN_REFLEN] = {0}, home_dir_buff[FN_REFLEN] = {0};
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ulong my_stream_opened = 0, my_file_opened = 0, my_tmp_file_created = 0;
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ulong my_file_total_opened = 0;
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int my_umask = 0664, my_umask_dir = 0777;
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struct st_my_file_info my_file_info_default[MY_NFILE];
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uint my_file_limit = MY_NFILE;
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struct st_my_file_info *my_file_info = my_file_info_default;
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/* from mf_reccache.c */
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ulong my_default_record_cache_size = RECORD_CACHE_SIZE;
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/* from my_malloc */
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USED_MEM *my_once_root_block = 0; /* pointer to first block */
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uint my_once_extra = ONCE_ALLOC_INIT; /* Memory to alloc / block */
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/* from errors.c */
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void (*error_handler_hook)(uint error, const char *str,
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myf MyFlags) = my_message_stderr;
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void (*fatal_error_handler_hook)(uint error, const char *str,
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myf MyFlags) = my_message_stderr;
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void (*local_message_hook)(enum loglevel ll, uint ecode,
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va_list args) = my_message_local_stderr;
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static void enter_cond_dummy(void *a MY_ATTRIBUTE((unused)),
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mysql_cond_t *b MY_ATTRIBUTE((unused)),
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mysql_mutex_t *c MY_ATTRIBUTE((unused)),
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const PSI_stage_info *d MY_ATTRIBUTE((unused)),
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PSI_stage_info *e MY_ATTRIBUTE((unused)),
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const char *f MY_ATTRIBUTE((unused)),
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const char *g MY_ATTRIBUTE((unused)),
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int h MY_ATTRIBUTE((unused))) {}
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static void exit_cond_dummy(void *a MY_ATTRIBUTE((unused)),
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const PSI_stage_info *b MY_ATTRIBUTE((unused)),
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const char *c MY_ATTRIBUTE((unused)),
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const char *d MY_ATTRIBUTE((unused)),
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int e MY_ATTRIBUTE((unused))) {}
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static void enter_stage_dummy(void *a MY_ATTRIBUTE((unused)),
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const PSI_stage_info *b MY_ATTRIBUTE((unused)),
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PSI_stage_info *c MY_ATTRIBUTE((unused)),
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const char *d MY_ATTRIBUTE((unused)),
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const char *e MY_ATTRIBUTE((unused)),
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int f MY_ATTRIBUTE((unused))) {}
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static void set_waiting_for_disk_space_dummy(void *a MY_ATTRIBUTE((unused)),
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bool b MY_ATTRIBUTE((unused))) {}
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static int is_killed_dummy(const void *a MY_ATTRIBUTE((unused))) { return 0; }
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/*
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Initialize these hooks to dummy implementations. The real server
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implementations will be set during server startup by
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init_server_components().
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*/
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void (*enter_cond_hook)(void *, mysql_cond_t *, mysql_mutex_t *,
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const PSI_stage_info *, PSI_stage_info *, const char *,
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const char *, int) = enter_cond_dummy;
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void (*exit_cond_hook)(void *, const PSI_stage_info *, const char *,
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const char *, int) = exit_cond_dummy;
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void (*enter_stage_hook)(void *, const PSI_stage_info *, PSI_stage_info *,
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const char *, const char *, int) = enter_stage_dummy;
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void (*set_waiting_for_disk_space_hook)(void *, bool) =
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set_waiting_for_disk_space_dummy;
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int (*is_killed_hook)(const void *) = is_killed_dummy;
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#if defined(ENABLED_DEBUG_SYNC)
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/**
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Global pointer to be set if callback function is defined
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(e.g. in mysqld). See sql/debug_sync.cc.
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*/
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void (*debug_sync_C_callback_ptr)(const char *, size_t);
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#endif /* defined(ENABLED_DEBUG_SYNC) */
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/* How to disable options */
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bool my_disable_locking = 0;
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bool my_enable_symlinks = false;
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