1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
/* Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License, version 2.0,
as published by the Free Software Foundation.
This program is also distributed with certain software (including
but not limited to OpenSSL) that is licensed under separate terms,
as designated in a particular file or component or in included license
documentation. The authors of MySQL hereby grant you an additional
permission to link the program and your derivative works with the
separately licensed software that they have included with MySQL.
Without limiting anything contained in the foregoing, this file,
which is part of C Driver for MySQL (Connector/C), is also subject to the
Universal FOSS Exception, version 1.0, a copy of which can be found at
http://oss.oracle.com/licenses/universal-foss-exception.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License, version 2.0, for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
/**
@file mysys/my_static.cc
Static variables for mysys library. All defined here for easy making of
a shared library.
*/
#include "mysys/my_static.h"
#include "my_config.h"
#include <stdarg.h>
#include <stddef.h>
#include "my_compiler.h"
#include "my_loglevel.h"
#include "mysql/psi/mysql_cond.h"
#include "mysql/psi/mysql_mutex.h"
#include "mysql/psi/psi_base.h"
#include "mysql/psi/psi_memory.h"
#include "mysql/psi/psi_stage.h"
#include "mysys/mysys_priv.h" // IWYU pragma: keep
/* get memory in hunks */
constexpr uint ONCE_ALLOC_INIT = 4096 - MALLOC_OVERHEAD;
PSI_memory_key key_memory_charset_file;
PSI_memory_key key_memory_charset_loader;
PSI_memory_key key_memory_lf_node;
PSI_memory_key key_memory_lf_dynarray;
PSI_memory_key key_memory_lf_slist;
PSI_memory_key key_memory_LIST;
PSI_memory_key key_memory_IO_CACHE;
PSI_memory_key key_memory_KEY_CACHE;
PSI_memory_key key_memory_SAFE_HASH_ENTRY;
PSI_memory_key key_memory_MY_BITMAP_bitmap;
PSI_memory_key key_memory_my_compress_alloc;
PSI_memory_key key_memory_my_err_head;
PSI_memory_key key_memory_my_file_info;
PSI_memory_key key_memory_max_alloca;
PSI_memory_key key_memory_MY_DIR;
PSI_memory_key key_memory_MY_TMPDIR_full_list;
PSI_memory_key key_memory_DYNAMIC_STRING;
PSI_memory_key key_memory_TREE;
PSI_thread_key key_thread_timer_notifier;
#ifdef _WIN32
PSI_memory_key key_memory_win_SECURITY_ATTRIBUTES;
PSI_memory_key key_memory_win_PACL;
PSI_memory_key key_memory_win_IP_ADAPTER_ADDRESSES;
#endif /* _WIN32 */
/* from my_init */
char *home_dir = 0;
const char *my_progname = 0;
char curr_dir[FN_REFLEN] = {0}, home_dir_buff[FN_REFLEN] = {0};
ulong my_stream_opened = 0, my_file_opened = 0, my_tmp_file_created = 0;
ulong my_file_total_opened = 0;
int my_umask = 0664, my_umask_dir = 0777;
struct st_my_file_info my_file_info_default[MY_NFILE];
uint my_file_limit = MY_NFILE;
struct st_my_file_info *my_file_info = my_file_info_default;
/* from mf_reccache.c */
ulong my_default_record_cache_size = RECORD_CACHE_SIZE;
/* from my_malloc */
USED_MEM *my_once_root_block = 0; /* pointer to first block */
uint my_once_extra = ONCE_ALLOC_INIT; /* Memory to alloc / block */
/* from errors.c */
void (*error_handler_hook)(uint error, const char *str,
myf MyFlags) = my_message_stderr;
void (*fatal_error_handler_hook)(uint error, const char *str,
myf MyFlags) = my_message_stderr;
void (*local_message_hook)(enum loglevel ll, uint ecode,
va_list args) = my_message_local_stderr;
static void enter_cond_dummy(void *a MY_ATTRIBUTE((unused)),
mysql_cond_t *b MY_ATTRIBUTE((unused)),
mysql_mutex_t *c MY_ATTRIBUTE((unused)),
const PSI_stage_info *d MY_ATTRIBUTE((unused)),
PSI_stage_info *e MY_ATTRIBUTE((unused)),
const char *f MY_ATTRIBUTE((unused)),
const char *g MY_ATTRIBUTE((unused)),
int h MY_ATTRIBUTE((unused))) {}
static void exit_cond_dummy(void *a MY_ATTRIBUTE((unused)),
const PSI_stage_info *b MY_ATTRIBUTE((unused)),
const char *c MY_ATTRIBUTE((unused)),
const char *d MY_ATTRIBUTE((unused)),
int e MY_ATTRIBUTE((unused))) {}
static void enter_stage_dummy(void *a MY_ATTRIBUTE((unused)),
const PSI_stage_info *b MY_ATTRIBUTE((unused)),
PSI_stage_info *c MY_ATTRIBUTE((unused)),
const char *d MY_ATTRIBUTE((unused)),
const char *e MY_ATTRIBUTE((unused)),
int f MY_ATTRIBUTE((unused))) {}
static void set_waiting_for_disk_space_dummy(void *a MY_ATTRIBUTE((unused)),
bool b MY_ATTRIBUTE((unused))) {}
static int is_killed_dummy(const void *a MY_ATTRIBUTE((unused))) { return 0; }
/*
Initialize these hooks to dummy implementations. The real server
implementations will be set during server startup by
init_server_components().
*/
void (*enter_cond_hook)(void *, mysql_cond_t *, mysql_mutex_t *,
const PSI_stage_info *, PSI_stage_info *, const char *,
const char *, int) = enter_cond_dummy;
void (*exit_cond_hook)(void *, const PSI_stage_info *, const char *,
const char *, int) = exit_cond_dummy;
void (*enter_stage_hook)(void *, const PSI_stage_info *, PSI_stage_info *,
const char *, const char *, int) = enter_stage_dummy;
void (*set_waiting_for_disk_space_hook)(void *, bool) =
set_waiting_for_disk_space_dummy;
int (*is_killed_hook)(const void *) = is_killed_dummy;
#if defined(ENABLED_DEBUG_SYNC)
/**
Global pointer to be set if callback function is defined
(e.g. in mysqld). See sql/debug_sync.cc.
*/
void (*debug_sync_C_callback_ptr)(const char *, size_t);
#endif /* defined(ENABLED_DEBUG_SYNC) */
/* How to disable options */
bool my_disable_locking = 0;
bool my_enable_symlinks = false;
|
