diff options
Diffstat (limited to 'src/mysql/my_alloc.h')
-rw-r--r-- | src/mysql/my_alloc.h | 104 |
1 files changed, 52 insertions, 52 deletions
diff --git a/src/mysql/my_alloc.h b/src/mysql/my_alloc.h index d328b384e..1641b3acf 100644 --- a/src/mysql/my_alloc.h +++ b/src/mysql/my_alloc.h @@ -1,52 +1,52 @@ -/* Copyright (C) 2000 MySQL 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 */
-
-/*
- Data structures for mysys/my_alloc.c (root memory allocator)
-*/
-
-#ifndef _my_alloc_h
-#define _my_alloc_h
-
-#define ALLOC_MAX_BLOCK_TO_DROP 4096
-#define ALLOC_MAX_BLOCK_USAGE_BEFORE_DROP 10
-
-typedef struct st_used_mem
-{ /* struct for once_alloc (block) */
- struct st_used_mem *next; /* Next block in use */
- unsigned int left; /* memory left in block */
- unsigned int 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 */
- unsigned int min_malloc;
- unsigned int 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 int first_block_usage;
-
- void (*error_handler)(void);
-} MEM_ROOT;
-#endif
+/* Copyright (C) 2000 MySQL 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 */ + +/* + Data structures for mysys/my_alloc.c (root memory allocator) +*/ + +#ifndef _my_alloc_h +#define _my_alloc_h + +#define ALLOC_MAX_BLOCK_TO_DROP 4096 +#define ALLOC_MAX_BLOCK_USAGE_BEFORE_DROP 10 + +typedef struct st_used_mem +{ /* struct for once_alloc (block) */ + struct st_used_mem *next; /* Next block in use */ + unsigned int left; /* memory left in block */ + unsigned int 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 */ + unsigned int min_malloc; + unsigned int 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 int first_block_usage; + + void (*error_handler)(void); +} MEM_ROOT; +#endif |