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Diffstat (limited to 'storage/innobase/include/mem0pool.h')
-rw-r--r-- | storage/innobase/include/mem0pool.h | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/storage/innobase/include/mem0pool.h b/storage/innobase/include/mem0pool.h deleted file mode 100644 index bf659ca9a72..00000000000 --- a/storage/innobase/include/mem0pool.h +++ /dev/null @@ -1,108 +0,0 @@ -/****************************************************** -The lowest-level memory management - -(c) 1994, 1995 Innobase Oy - -Created 6/9/1994 Heikki Tuuri -*******************************************************/ - -#ifndef mem0pool_h -#define mem0pool_h - -#include "univ.i" -#include "os0file.h" -#include "ut0lst.h" - -typedef struct mem_area_struct mem_area_t; -typedef struct mem_pool_struct mem_pool_t; - -/* The common memory pool */ -extern mem_pool_t* mem_comm_pool; - -/* Memory area header */ - -struct mem_area_struct{ - ulint size_and_free; /* memory area size is obtained by - anding with ~MEM_AREA_FREE; area in - a free list if ANDing with - MEM_AREA_FREE results in nonzero */ - UT_LIST_NODE_T(mem_area_t) - free_list; /* free list node */ -}; - -/* Each memory area takes this many extra bytes for control information */ -#define MEM_AREA_EXTRA_SIZE (ut_calc_align(sizeof(struct mem_area_struct),\ - UNIV_MEM_ALIGNMENT)) - -/************************************************************************ -Creates a memory pool. */ - -mem_pool_t* -mem_pool_create( -/*============*/ - /* out: memory pool */ - ulint size); /* in: pool size in bytes */ -/************************************************************************ -Allocates memory from a pool. NOTE: This low-level function should only be -used in mem0mem.*! */ - -void* -mem_area_alloc( -/*===========*/ - /* out, own: allocated memory buffer */ - ulint size, /* in: allocated size in bytes; for optimum - space usage, the size should be a power of 2 - minus MEM_AREA_EXTRA_SIZE */ - mem_pool_t* pool); /* in: memory pool */ -/************************************************************************ -Frees memory to a pool. */ - -void -mem_area_free( -/*==========*/ - void* ptr, /* in, own: pointer to allocated memory - buffer */ - mem_pool_t* pool); /* in: memory pool */ -/************************************************************************ -Returns the amount of reserved memory. */ - -ulint -mem_pool_get_reserved( -/*==================*/ - /* out: reserved mmeory in bytes */ - mem_pool_t* pool); /* in: memory pool */ -/************************************************************************ -Reserves the mem pool mutex. */ - -void -mem_pool_mutex_enter(void); -/*======================*/ -/************************************************************************ -Releases the mem pool mutex. */ - -void -mem_pool_mutex_exit(void); -/*=====================*/ -/************************************************************************ -Validates a memory pool. */ - -ibool -mem_pool_validate( -/*==============*/ - /* out: TRUE if ok */ - mem_pool_t* pool); /* in: memory pool */ -/************************************************************************ -Prints info of a memory pool. */ - -void -mem_pool_print_info( -/*================*/ - FILE* outfile,/* in: output file to write to */ - mem_pool_t* pool); /* in: memory pool */ - - -#ifndef UNIV_NONINL -#include "mem0pool.ic" -#endif - -#endif |