mysql5/mysql-5.7.27/mysys/my_static.c

144 lines
5.0 KiB
C

/* Copyright (c) 2000, 2016, 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 as published by
the Free Software Foundation; version 2 of the License.
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 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 */
/*
Static variables for mysys library. All definied here for easy making of
a shared library
*/
#include "mysys_priv.h"
#include "my_static.h"
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_pack_frm;
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_STAT;
PSI_memory_key key_memory_MY_TMPDIR_full_list;
PSI_memory_key key_memory_QUEUE;
PSI_memory_key key_memory_DYNAMIC_STRING;
PSI_memory_key key_memory_TREE;
#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 soundex.c */
/* ABCDEFGHIJKLMNOPQRSTUVWXYZ */
/* :::::::::::::::::::::::::: */
const char *soundex_map= "01230120022455012623010202";
/* 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 my_largepage.c */
#ifdef HAVE_LINUX_LARGE_PAGES
my_bool my_use_large_pages= 0;
uint my_large_page_size= 0;
#endif
/* 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, const char *format, 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 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;
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) */
#ifdef _WIN32
/* from my_getsystime.c */
ulonglong query_performance_frequency, query_performance_offset;
#endif
/* How to disable options */
my_bool my_disable_locking=0;
my_bool my_enable_symlinks= 1;