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add more detailed block info for heap visiting

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daan 2020-04-06 23:39:09 -07:00
parent 120af372ab
commit 173978c122
5 changed files with 89 additions and 12 deletions
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1
include/mimalloc-internal.h
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@ -148,6 +148,7 @@ mi_block_t* _mi_page_ptr_unalign(const mi_segment_t* segment, const mi_page_t* p
bool _mi_free_delayed_block(mi_block_t* block);
void _mi_block_zero_init(const mi_page_t* page, void* p, size_t size);
size_t _mi_path_max(void);
void _mi_page_block_info(const mi_page_t* page, const mi_block_t* block, mi_block_info_t* info);
mi_decl_restrict void* _mi_base_malloc_zero(mi_heap_t* heap, size_t size, bool zero MI_SOURCE_XPARAM) mi_attr_malloc mi_attr_alloc_size(2);
void* _mi_base_realloc_zero(mi_heap_t* heap, void* p, size_t newsize, bool zero MI_SOURCE_XPARAM) mi_attr_alloc_size(2);

12
include/mimalloc.h
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@ -282,7 +282,17 @@ typedef struct mi_heap_area_s {
size_t block_size; // size in bytes of each block
} mi_heap_area_t;
typedef bool (mi_cdecl mi_block_visit_fun)(const mi_heap_t* heap, const mi_heap_area_t* area, void* block, size_t block_size, void* arg);
// Information about a block
typedef struct mi_block_info_s {
void* block; // start of the block
size_t size; // full size including padding etc.
size_t usable_size; // usable size (available for in-place realloc)
size_t allocated_size; // actual allocated size (only precise in debug mode with padding)
bool valid; // is the block valid? (only detects corrupt blocks with padding enabled)
mi_source_t source; // the source location that allocated this block (only valid in debug mode with padding)
} mi_block_info_t;
typedef bool (mi_cdecl mi_block_visit_fun)(const mi_heap_t* heap, const mi_heap_area_t* area, const mi_block_info_t* block_info, void* arg);
mi_decl_export bool mi_heap_visit_blocks(const mi_heap_t* heap, bool visit_all_blocks, mi_block_visit_fun* visitor, void* arg);