/* 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, 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.

   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 */

/*
  Static variables for MyISAM library. All definied here for easy making of
  a shared library
*/

#ifndef MY_GLOBAL_INCLUDED
#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 MY_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;

  count= array_elements(all_myisam_mutexes);
  mysql_mutex_register(category, all_myisam_mutexes, count);

  count= array_elements(all_myisam_rwlocks);
  mysql_rwlock_register(category, all_myisam_rwlocks, count);

  count= array_elements(all_myisam_conds);
  mysql_cond_register(category, all_myisam_conds, count);

  count= array_elements(all_myisam_files);
  mysql_file_register(category, all_myisam_files, count);

  count= array_elements(all_myisam_threads);
  mysql_thread_register(category, all_myisam_threads, count);
}
#endif /* HAVE_PSI_INTERFACE */

