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PATH: usr / include / mysql / server

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 02110-1335  USA */

/* 
   Data structures for mysys/my_alloc.c (root memory allocator)
*/

#ifndef _my_alloc_h
#define _my_alloc_h

#include "mysql/psi/psi_base.h"

#define ALLOC_MAX_BLOCK_TO_DROP			4096
#define ALLOC_MAX_BLOCK_USAGE_BEFORE_DROP	10

#define ROOT_FLAG_READ_ONLY       4

#ifdef __cplusplus
extern "C" {
#endif

typedef struct st_used_mem
{				   /* struct for once_alloc (block) */
  struct st_used_mem *next;	   /* Next block in use */
  size_t left;                     /* memory left in block  */
  size_t size;                     /* size of block */
} USED_MEM;

typedef struct st_mem_root
{
  USED_MEM *free;                  /* blocks with free memory in it */
  USED_MEM *used;                  /* blocks almost without free memory */
  USED_MEM *pre_alloc;             /* preallocated block */
  /* if block have less memory it will be put in 'used' list */
  size_t min_malloc;
  size_t block_size;               /* initial block size */
  unsigned int block_num;          /* allocated blocks counter */
  /* 
     first free block in queue test counter (if it exceed 
     MAX_BLOCK_USAGE_BEFORE_DROP block will be dropped in 'used' list)
  */
  unsigned short first_block_usage;
  unsigned short flags;

void (*error_handler)(void);

PSI_memory_key psi_key;
} MEM_ROOT;

#ifdef  __cplusplus
}
#endif

#endif

[-] my_dbug.h [edit]
[-] byte_order_generic_x86.h [edit]
[-] m_ctype.h [edit]
[-] json_lib.h [edit]
[-] handler_ername.h [edit]
[-] sslopt-case.h [edit]
[-] byte_order_generic_x86_64.h [edit]
[-] sql_state.h [edit]
[-] mysql_version.h [edit]
[-] ma_dyncol.h [edit]
[-] mysql.h [edit]
[-] mysql_time.h [edit]
[+] mysql
[-] sslopt-vars.h [edit]
[+] private
[-] my_getopt.h [edit]
[-] mysql_com.h [edit]
[-] my_list.h [edit]
[-] pack.h [edit]
[-] typelib.h [edit]
[-] my_alloca.h [edit]
[-] my_net.h [edit]
[-] my_cmp.h [edit]
[-] my_compiler.h [edit]
[-] my_alloc.h [edit]
[+] ..
[-] mysql_embed.h [edit]
[-] my_global.h [edit]
[-] byte_order_generic.h [edit]
[-] m_string.h [edit]
[-] mariadb_capi_rename.h [edit]
[-] my_xml.h [edit]
[-] mysql_com_server.h [edit]
[-] mysqld_error.h [edit]
[-] big_endian.h [edit]
[-] little_endian.h [edit]
[-] errmsg.h [edit]
[-] my_sys.h [edit]
[-] handler_state.h [edit]
[-] my_attribute.h [edit]
[-] my_pthread.h [edit]
[-] my_decimal_limits.h [edit]
[-] mysqld_ername.h [edit]
[-] my_valgrind.h [edit]
[-] sql_common.h [edit]
[-] keycache.h [edit]
[-] sslopt-longopts.h [edit]
[-] my_byteorder.h [edit]
[-] decimal.h [edit]
[-] my_config.h [edit]
[-] my_dir.h [edit]