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/* Copyright (c) 2000, 2011, 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 MyISAM library. All definied here for easy making of
a shared library
*/
#ifndef _global_h
#include "myisamdef.h"
#endif
LIST *myisam_open_list=0;
uchar myisam_file_magic[]=
{ (uchar) 254, (uchar) 254,'\007', '\001', };
uchar myisam_pack_file_magic[]=
{ (uchar) 254, (uchar) 254,'\010', '\002', };
char * myisam_log_filename=(char*) "myisam.log";
File myisam_log_file= -1;
uint myisam_quick_table_bits=9;
ulong myisam_block_size= MI_KEY_BLOCK_LENGTH; /* Best by test */
my_bool myisam_flush=0, myisam_delay_key_write=0, myisam_single_user=0;
#if !defined(DONT_USE_RW_LOCKS)
ulong myisam_concurrent_insert= 2;
#else
ulong myisam_concurrent_insert= 0;
#endif
ulonglong myisam_max_temp_length= MAX_FILE_SIZE;
ulong myisam_data_pointer_size=4;
ulonglong myisam_mmap_size= SIZE_T_MAX, myisam_mmap_used= 0;
static int always_valid(const char *filename __attribute__((unused)))
{
return 0;
}
int (*myisam_test_invalid_symlink)(const char *filename)= always_valid;
/*
read_vec[] is used for converting between P_READ_KEY.. and SEARCH_
Position is , == , >= , <= , > , <
*/
uint myisam_read_vec[]=
{
SEARCH_FIND, SEARCH_FIND | SEARCH_BIGGER, SEARCH_FIND | SEARCH_SMALLER,
SEARCH_NO_FIND | SEARCH_BIGGER, SEARCH_NO_FIND | SEARCH_SMALLER,
SEARCH_FIND | SEARCH_PREFIX, SEARCH_LAST, SEARCH_LAST | SEARCH_SMALLER,
MBR_CONTAIN, MBR_INTERSECT, MBR_WITHIN, MBR_DISJOINT, MBR_EQUAL
};
uint myisam_readnext_vec[]=
{
SEARCH_BIGGER, SEARCH_BIGGER, SEARCH_SMALLER, SEARCH_BIGGER, SEARCH_SMALLER,
SEARCH_BIGGER, SEARCH_SMALLER, SEARCH_SMALLER
};
#ifdef HAVE_PSI_INTERFACE
PSI_mutex_key mi_key_mutex_MYISAM_SHARE_intern_lock,
mi_key_mutex_MI_SORT_INFO_mutex, mi_key_mutex_MI_CHECK_print_msg;
static PSI_mutex_info all_myisam_mutexes[]=
{
{ &mi_key_mutex_MI_SORT_INFO_mutex, "MI_SORT_INFO::mutex", 0},
{ &mi_key_mutex_MYISAM_SHARE_intern_lock, "MYISAM_SHARE::intern_lock", 0},
{ &mi_key_mutex_MI_CHECK_print_msg, "MI_CHECK::print_msg", 0}
};
PSI_rwlock_key mi_key_rwlock_MYISAM_SHARE_key_root_lock,
mi_key_rwlock_MYISAM_SHARE_mmap_lock;
static PSI_rwlock_info all_myisam_rwlocks[]=
{
{ &mi_key_rwlock_MYISAM_SHARE_key_root_lock, "MYISAM_SHARE::key_root_lock", 0},
{ &mi_key_rwlock_MYISAM_SHARE_mmap_lock, "MYISAM_SHARE::mmap_lock", 0}
};
PSI_cond_key mi_key_cond_MI_SORT_INFO_cond;
static PSI_cond_info all_myisam_conds[]=
{
{ &mi_key_cond_MI_SORT_INFO_cond, "MI_SORT_INFO::cond", 0}
};
PSI_file_key mi_key_file_datatmp, mi_key_file_dfile, mi_key_file_kfile,
mi_key_file_log;
static PSI_file_info all_myisam_files[]=
{
{ & mi_key_file_datatmp, "data_tmp", 0},
{ & mi_key_file_dfile, "dfile", 0},
{ & mi_key_file_kfile, "kfile", 0},
{ & mi_key_file_log, "log", 0}
};
PSI_thread_key mi_key_thread_find_all_keys;
static PSI_thread_info all_myisam_threads[]=
{
{ &mi_key_thread_find_all_keys, "find_all_keys", 0},
};
void init_myisam_psi_keys()
{
const char* category= "myisam";
int count;
if (PSI_server == NULL)
return;
count= array_elements(all_myisam_mutexes);
PSI_server->register_mutex(category, all_myisam_mutexes, count);
count= array_elements(all_myisam_rwlocks);
PSI_server->register_rwlock(category, all_myisam_rwlocks, count);
count= array_elements(all_myisam_conds);
PSI_server->register_cond(category, all_myisam_conds, count);
count= array_elements(all_myisam_files);
PSI_server->register_file(category, all_myisam_files, count);
count= array_elements(all_myisam_threads);
PSI_server->register_thread(category, all_myisam_threads, count);
}
#endif /* HAVE_PSI_INTERFACE */
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