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141 lines
4.3 KiB
C
141 lines
4.3 KiB
C
/* Copyright (C) 2000-2002, 2004-2005 MySQL AB, 2008-2009 Sun Microsystems, Inc
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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 as published by
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the Free Software Foundation; version 2 of the License.
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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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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/*
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Static variables for MyISAM library. All definied here for easy making of
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a shared library
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*/
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#ifndef _global_h
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#include "myisamdef.h"
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#endif
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LIST *myisam_open_list=0;
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uchar myisam_file_magic[]=
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{ (uchar) 254, (uchar) 254,'\007', '\001', };
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uchar myisam_pack_file_magic[]=
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{ (uchar) 254, (uchar) 254,'\010', '\002', };
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char * myisam_log_filename=(char*) "myisam.log";
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File myisam_log_file= -1;
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uint myisam_quick_table_bits=9;
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ulong myisam_block_size= MI_KEY_BLOCK_LENGTH; /* Best by test */
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my_bool myisam_flush=0, myisam_delay_key_write=0, myisam_single_user=0;
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#if defined(THREAD) && !defined(DONT_USE_RW_LOCKS)
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uint myisam_concurrent_insert= 2;
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#else
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uint myisam_concurrent_insert= 0;
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#endif
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ulonglong myisam_max_temp_length= MAX_FILE_SIZE;
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ulong myisam_bulk_insert_tree_size=8192*1024;
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ulong myisam_data_pointer_size=4;
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ulonglong myisam_mmap_size= SIZE_T_MAX, myisam_mmap_used= 0;
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static int always_valid(const char *filename __attribute__((unused)))
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{
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return 0;
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}
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int (*myisam_test_invalid_symlink)(const char *filename)= always_valid;
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/*
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read_vec[] is used for converting between P_READ_KEY.. and SEARCH_
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Position is , == , >= , <= , > , <
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*/
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uint myisam_read_vec[]=
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{
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SEARCH_FIND, SEARCH_FIND | SEARCH_BIGGER, SEARCH_FIND | SEARCH_SMALLER,
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SEARCH_NO_FIND | SEARCH_BIGGER, SEARCH_NO_FIND | SEARCH_SMALLER,
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SEARCH_FIND | SEARCH_PREFIX, SEARCH_LAST, SEARCH_LAST | SEARCH_SMALLER,
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MBR_CONTAIN, MBR_INTERSECT, MBR_WITHIN, MBR_DISJOINT, MBR_EQUAL
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};
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uint myisam_readnext_vec[]=
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{
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SEARCH_BIGGER, SEARCH_BIGGER, SEARCH_SMALLER, SEARCH_BIGGER, SEARCH_SMALLER,
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SEARCH_BIGGER, SEARCH_SMALLER, SEARCH_SMALLER
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};
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#ifdef HAVE_PSI_INTERFACE
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PSI_mutex_key mi_key_mutex_MYISAM_SHARE_intern_lock,
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mi_key_mutex_MI_SORT_INFO_mutex, mi_key_mutex_MI_CHECK_print_msg;
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static PSI_mutex_info all_myisam_mutexes[]=
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{
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{ &mi_key_mutex_MI_SORT_INFO_mutex, "MI_SORT_INFO::mutex", 0},
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{ &mi_key_mutex_MYISAM_SHARE_intern_lock, "MYISAM_SHARE::intern_lock", 0},
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{ &mi_key_mutex_MI_CHECK_print_msg, "MI_CHECK::print_msg", 0}
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};
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PSI_rwlock_key mi_key_rwlock_MYISAM_SHARE_key_root_lock,
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mi_key_rwlock_MYISAM_SHARE_mmap_lock;
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static PSI_rwlock_info all_myisam_rwlocks[]=
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{
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{ &mi_key_rwlock_MYISAM_SHARE_key_root_lock, "MYISAM_SHARE::key_root_lock", 0},
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{ &mi_key_rwlock_MYISAM_SHARE_mmap_lock, "MYISAM_SHARE::mmap_lock", 0}
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};
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PSI_cond_key mi_key_cond_MI_SORT_INFO_cond;
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static PSI_cond_info all_myisam_conds[]=
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{
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{ &mi_key_cond_MI_SORT_INFO_cond, "MI_SORT_INFO::cond", 0}
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};
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PSI_file_key mi_key_file_datatmp, mi_key_file_dfile, mi_key_file_kfile,
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mi_key_file_log;
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static PSI_file_info all_myisam_files[]=
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{
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{ & mi_key_file_datatmp, "data_tmp", 0},
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{ & mi_key_file_dfile, "dfile", 0},
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{ & mi_key_file_kfile, "kfile", 0},
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{ & mi_key_file_log, "log", 0}
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};
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PSI_thread_key mi_key_thread_find_all_keys;
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static PSI_thread_info all_myisam_threads[]=
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{
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{ &mi_key_thread_find_all_keys, "find_all_keys", 0},
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};
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void init_myisam_psi_keys()
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{
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const char* category= "myisam";
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int count;
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if (PSI_server == NULL)
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return;
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count= array_elements(all_myisam_mutexes);
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PSI_server->register_mutex(category, all_myisam_mutexes, count);
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count= array_elements(all_myisam_rwlocks);
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PSI_server->register_rwlock(category, all_myisam_rwlocks, count);
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count= array_elements(all_myisam_conds);
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PSI_server->register_cond(category, all_myisam_conds, count);
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count= array_elements(all_myisam_files);
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PSI_server->register_file(category, all_myisam_files, count);
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count= array_elements(all_myisam_threads);
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PSI_server->register_thread(category, all_myisam_threads, count);
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}
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#endif /* HAVE_PSI_INTERFACE */
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