mariadb/sql/cache_manager.cc
unknown 16115af97c Changed to use my_global.h
Fixed problem with LIKE with latin1_de
Added parsing support of UNSIGNED LONG LONG


Docs/manual.texi:
  Changelog
client/client_priv.h:
  Changed to use my_global.h
client/completion_hash.cc:
  Changed to use my_global.h
client/errmsg.c:
  Changed to use my_global.h
client/get_password.c:
  Changed to use my_global.h
client/mysqldump.c:
  Changed to use my_global.h
client/mysqlshow.c:
  Changed to use my_global.h
client/mysqltest.c:
  Changed to use my_global.h
client/password.c:
  Changed to use my_global.h
client/readline.cc:
  Changed to use my_global.h
client/sql_string.cc:
  Changed to use my_global.h
client/thimble.cc:
  Changed to use my_global.h
client/thread_test.c:
  Changed to use my_global.h
dbug/dbug.c:
  Changed to use my_global.h
dbug/dbug_analyze.c:
  Changed to use my_global.h
dbug/example1.c:
  Changed to use my_global.h
dbug/example2.c:
  Changed to use my_global.h
dbug/example3.c:
  Changed to use my_global.h
dbug/factorial.c:
  Changed to use my_global.h
dbug/main.c:
  Changed to use my_global.h
dbug/sanity.c:
  Changed to use my_global.h
extra/comp_err.c:
  Changed to use my_global.h
extra/my_print_defaults.c:
  Changed to use my_global.h
extra/perror.c:
  Changed to use my_global.h
extra/replace.c:
  Changed to use my_global.h
extra/resolve_stack_dump.c:
  Changed to use my_global.h
extra/resolveip.c:
  Changed to use my_global.h
fs/libmysqlfs.h:
  Changed to use my_global.h
fs/mysqlcorbafs.h:
  Changed to use my_global.h
heap/hp_test1.c:
  Changed to use my_global.h
include/Makefile.am:
  Changed to use my_global.h
include/m_ctype.h:
  Changed to use my_global.h
include/my_base.h:
  Changed to use my_global.h
innobase/include/univ.i:
  Changed to use my_global.h
libmysql/dll.c:
  Changed to use my_global.h
libmysql/errmsg.c:
  Changed to use my_global.h
libmysql/get_password.c:
  Changed to use my_global.h
libmysql/libmysql.c:
  Changed to use my_global.h
libmysql/net.c:
  Changed to use my_global.h
libmysql/password.c:
  Changed to use my_global.h
libmysqld/lib_sql.cc:
  Changed to use my_global.h
libmysqld/lib_vio.c:
  Changed to use my_global.h
libmysqld/libmysqld.c:
  Changed to use my_global.h
mysql-test/mysql-test-run.sh:
  Changed to use latin1 as default character set
mysql-test/r/ctype_latin1_de.result:
  Changed to use my_global.h
mysql-test/r/func_like.result:
  New test
mysql-test/t/ctype_latin1_de.test:
  Added test of part keys
mysql-test/t/func_like.test:
  New test
mysys/checksum.c:
  Changed to use my_global.h
mysys/getopt.c:
  Changed to use my_global.h
mysys/getopt1.c:
  Changed to use my_global.h
mysys/make-conf.c:
  Changed to use my_global.h
mysys/my_alloc.c:
  Changed to use my_global.h
mysys/my_clock.c:
  Changed to use my_global.h
mysys/my_compress.c:
  Changed to use my_global.h
mysys/mysys_priv.h:
  Changed to use my_global.h
mysys/test_charset.c:
  Changed to use my_global.h
mysys/testhash.c:
  Changed to use my_global.h
mysys/thr_alarm.c:
  Changed to use my_global.h
mysys/thr_mutex.c:
  Changed to use my_global.h
regex/debug.c:
  Changed to use my_global.h
regex/main.c:
  Changed to use my_global.h
regex/regcomp.c:
  Changed to use my_global.h
regex/regerror.c:
  Changed to use my_global.h
regex/regexec.c:
  Changed to use my_global.h
regex/regexp.c:
  Changed to use my_global.h
regex/regfree.c:
  Changed to use my_global.h
regex/reginit.c:
  Changed to use my_global.h
sql/cache_manager.cc:
  Changed to use my_global.h
sql/gen_lex_hash.cc:
  Changed to use my_global.h
sql/ha_berkeley.cc:
  Fixed problem with UNIQUE keys that could contain NULL
sql/ha_gemini.h:
  Changed to use my_global.h
sql/handler.cc:
  Fixed problem after merge
sql/item.cc:
  Added Item_unit
sql/item.h:
  Added Item_uint
sql/matherr.c:
  Changed to use my_global.h
sql/md5.c:
  Changed to use my_global.h
sql/mini_client.cc:
  Changed to use my_global.h
sql/my_lock.c:
  Changed to use my_global.h
sql/mysql_priv.h:
  Changed to use my_global.h
sql/net_serv.cc:
  Changed to use my_global.h
sql/password.c:
  Changed to use my_global.h
sql/sql_lex.cc:
  Added parsing support of UNSIGNED LONG LONG
sql/sql_show.cc:
  Changed to use my_global.h
sql/sql_string.cc:
  Changed to use my_global.h
sql/sql_yacc.yy:
  Added usage of Int_uint
sql/stacktrace.c:
  Changed to use my_global.h
sql/udf_example.cc:
  Changed to use my_global.h
strings/atof.c:
  Changed to use my_global.h
strings/bchange.c:
  Changed to use my_global.h
strings/bcmp.c:
  Changed to use my_global.h
strings/bfill.c:
  Changed to use my_global.h
strings/bmove.c:
  Changed to use my_global.h
strings/bmove512.c:
  Changed to use my_global.h
strings/bmove_upp.c:
  Changed to use my_global.h
strings/ctype-big5.c:
  Changed to use my_global.h
strings/ctype-czech.c:
  Changed to use my_global.h
strings/ctype-euc_kr.c:
  Changed to use my_global.h
strings/ctype-gb2312.c:
  Changed to use my_global.h
strings/ctype-gbk.c:
  Changed to use my_global.h
strings/ctype-latin1_de.c:
  Fixed problem with LIKE
strings/ctype-sjis.c:
  Changed to use my_global.h
strings/ctype-tis620.c:
  Changed to use my_global.h
strings/ctype-ujis.c:
  Changed to use my_global.h
strings/ctype.c:
  Changed to use my_global.h
strings/do_ctype.c:
  Changed to use my_global.h
strings/int2str.c:
  Changed to use my_global.h
strings/is_prefix.c:
  Changed to use my_global.h
strings/llstr.c:
  Changed to use my_global.h
strings/longlong2str.c:
  Changed to use my_global.h
strings/r_strinstr.c:
  Changed to use my_global.h
strings/str2int.c:
  Changed to use my_global.h
strings/str_test.c:
  Changed to use my_global.h
strings/strappend.c:
  Changed to use my_global.h
strings/strcend.c:
  Changed to use my_global.h
strings/strcont.c:
  Changed to use my_global.h
strings/strend.c:
  Changed to use my_global.h
strings/strfill.c:
  Changed to use my_global.h
strings/strings-not-used.h:
  Changed to use my_global.h
strings/strinstr.c:
  Changed to use my_global.h
strings/strmake.c:
  Changed to use my_global.h
strings/strmov.c:
  Changed to use my_global.h
strings/strnlen.c:
  Changed to use my_global.h
strings/strnmov.c:
  Changed to use my_global.h
strings/strstr.c:
  Changed to use my_global.h
strings/strto.c:
  Changed to use my_global.h
strings/strtol.c:
  Changed to use my_global.h
strings/strtoll.c:
  Changed to use my_global.h
strings/strtoul.c:
  Changed to use my_global.h
strings/strtoull.c:
  Changed to use my_global.h
strings/strxmov.c:
  Changed to use my_global.h
strings/strxnmov.c:
  Changed to use my_global.h
strings/udiv.c:
  Changed to use my_global.h
tools/mysqlmanager.c:
  Changed to use my_global.h
vio/test-ssl.c:
  Changed to use my_global.h
vio/test-sslclient.c:
  Changed to use my_global.h
vio/test-sslserver.c:
  Changed to use my_global.h
vio/test-ssl:
  Changed to use my_global.h
vio/vio.c:
  Changed to use my_global.h
vio/viosocket.c:
  Changed to use my_global.h
vio/viossl.c:
  Changed to use my_global.h
vio/viosslfactories.c:
  Changed to use my_global.h
vio/viotest-ssl.c:
  Changed to use my_global.h
2001-09-14 02:54:33 +03:00

150 lines
2.8 KiB
C++

/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
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; either version 2 of the License, or
(at your option) any later version.
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#ifdef __GNUC__
#pragma implementation /* gcc: Class implementation */
#endif
#include <my_global.h>
#include <my_sys.h>
#include "cache_manager.h"
/*
cache_manager.cc
-----------------------------------------------------------------------
The cache_manager class manages a number of blocks (which are allocatable
units of memory).
-----------------------------------------------------------------------
*/
#define HEADER_LENGTH ALIGN_SIZE(8)
#define SUFFIX_LENGTH 4
#define ALLOC_MASK 0x3FFFFFFFL
#define FREE_BIT (1L << 31)
#define LOCK_BIT (1L << 30)
#define SMALLEST_BLOCK 32
/*
** Internal Methods
** --------------------
*/
/* list manipulation methods */
void *cache_manager::init_list(void)
{
return;
}
void *cache_manager::link_into_abs(void *ptr)
{
for (int i(0); (*abs_list)[i] != NULL; i++);
(*abs_list)[i] = ptr;
return (abs_list)[i]; // ???
}
bool *cache_manager::unlink_from_abs(void *ptr)
{
(*ptr) = NULL;
return;
}
/* memory allocation methods */
void *cache_manager::find_in_llist(uint)
{
return;
}
void cache_manager::defrag(void)
{
printf("Defragging: ..........");
return;
}
/*
** Public Methods
** ------------------
*/
cache_manager::cache_manager(uint size)
{
base_ptr = my_malloc(size, MY_WME); /* MY_WME = write mesg on err */
return;
}
cache_manager::~cache_manager(void)
{
free(base_ptr);
delete base_ptr;
return;
}
void *cache_manager::alloc(uint size)
{
void *llist;
void *abs_ptr;
size=ALIGN_SIZE(size+HEADER_LENGTH+SUFFIX_LENGTH);
if (!(llist = find_in_llist(size)))
{
//defrag();
if (!(llist = find_in_llist(size)))
return 0; /* return null pointer, buffer exhausted! */
}
size_of_found_block=int4korr((char*) llist) & ALLOC_MASK;
// if (size_of_found_block < SMALLEST_BLOCK)
abs_ptr = link_into_abs(llist);
return abs_ptr;
}
void cache_manager::dealloc(void)
{
printf("Deallocating: ..........\n");
return;
}
void cache_manager::clear(void)
{
// reset the internal linked list, forgetting all pointers to mem blks
return;
}