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105 lines
2.8 KiB
105 lines
2.8 KiB
#ifndef INCLUDED_tlsf
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#define INCLUDED_tlsf
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#if defined(TLSF_MALLOC)
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/*
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** Two Level Segregated Fit memory allocator, version 3.0.
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** Written by Matthew Conte, and placed in the Public Domain.
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** http://tlsf.baisoku.org
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**
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** Based on the original documentation by Miguel Masmano:
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** http://rtportal.upv.es/rtmalloc/allocators/tlsf/index.shtml
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**
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** Please see the accompanying Readme.txt for implementation
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** notes and caveats.
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**
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** This implementation was written to the specification
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** of the document, therefore no GPL restrictions apply.
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*/
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#include <stddef.h>
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#include "meminfo.h"
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#ifdef DBG_SR_MEMORY
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#define DBG_TLSF_MALLOC
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#endif
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#if defined(__cplusplus)
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extern "C" {
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#endif
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/* tlsf_t: a TLSF structure. Can contain 1 to N pools. */
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/* pool_t: a block of memory that TLSF can manage. */
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typedef void* tlsf_t;
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typedef void* pool_t;
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/* Create/destroy a memory pool. */
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tlsf_t tlsf_create(void* mem);
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tlsf_t tlsf_create_with_pool(void* mem, size_t bytes);
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void tlsf_destroy(tlsf_t tlsf);
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pool_t tlsf_get_pool(tlsf_t tlsf);
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/* Add/remove memory pools. */
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pool_t tlsf_add_pool(tlsf_t tlsf, void* mem, size_t bytes);
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void tlsf_remove_pool(tlsf_t tlsf, pool_t pool);
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/* malloc/memalign/realloc/free replacements. */
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#ifdef DBG_TLSF_MALLOC
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void* tlsf_malloc(tlsf_t tlsf, size_t size,
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const char *file, const char *function, unsigned int line, const char *mname);
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void* tlsf_realloc(tlsf_t tlsf, void* ptr, size_t size,
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const char *file, const char *function, unsigned int line, const char *mname);
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void tlsf_free(tlsf_t tlsf, void* ptr,
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const char *file, const char *function, unsigned int line, const char *mname);
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#else
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void* tlsf_malloc(tlsf_t tlsf, size_t bytes);
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void* tlsf_realloc(tlsf_t tlsf, void* ptr, size_t size);
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void tlsf_free(tlsf_t tlsf, void* ptr);
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#endif
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/* Returns internal block size, not original request size */
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size_t tlsf_block_size(void* ptr);
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/* Overheads/limits of internal structures. */
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size_t tlsf_size();
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size_t tlsf_align_size();
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size_t tlsf_block_size_min();
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size_t tlsf_block_size_max();
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size_t tlsf_pool_overhead();
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size_t tlsf_alloc_overhead();
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/* Debugging. */
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typedef void (*tlsf_walker)(void* ptr, size_t size, int used, void* user);
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void tlsf_walk_pool(pool_t pool, tlsf_walker walker, void* user);
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/* Returns nonzero if any internal consistency check fails. */
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int tlsf_check(tlsf_t tlsf);
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int tlsf_check_pool(pool_t pool);
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void tlsf_meminfo(tlsf_t pool, struct mem_info *info);
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void tlsf_status(tlsf_t pool);
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void tlsf_sums(tlsf_t pool);
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unsigned long tlsf_available(tlsf_t pool);
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void tlsf_mod_get_stats(tlsf_t pool, void **root);
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void tlsf_mod_free_stats(void *root);
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typedef struct _mem_counter{
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const char *file;
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const char *func;
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const char *mname;
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unsigned long line;
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unsigned long size;
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int count;
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struct _mem_counter *next;
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} mem_counter;
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#if defined(__cplusplus)
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};
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#endif
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#endif /* TLSF_MALLOC */
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#endif
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