278 lines
15 KiB
C
278 lines
15 KiB
C
/* ----------------------------------------------------------------------------
|
|
Copyright (c) 2018, Microsoft Research, Daan Leijen
|
|
This is free software; you can redistribute it and/or modify it under the
|
|
terms of the MIT license. A copy of the license can be found in the file
|
|
"LICENSE" at the root of this distribution.
|
|
-----------------------------------------------------------------------------*/
|
|
#pragma once
|
|
#ifndef MIMALLOC_H
|
|
#define MIMALLOC_H
|
|
|
|
#define MI_MALLOC_VERSION 100 // major + 2 digits minor
|
|
|
|
// ------------------------------------------------------
|
|
// Compiler specific attributes
|
|
// ------------------------------------------------------
|
|
|
|
#ifdef __cplusplus
|
|
#if (__GNUC__ <= 5) || (_MSC_VER <= 1900)
|
|
#define mi_attr_noexcept throw()
|
|
#else
|
|
#define mi_attr_noexcept noexcept
|
|
#endif
|
|
#else
|
|
#define mi_attr_noexcept
|
|
#endif
|
|
|
|
#ifdef _MSC_VER
|
|
#if !defined(MI_SHARED_LIB)
|
|
#define mi_decl_export
|
|
#elif defined(MI_SHARED_LIB_EXPORT)
|
|
#define mi_decl_export __declspec(dllexport)
|
|
#else
|
|
#define mi_decl_export __declspec(dllimport)
|
|
#endif
|
|
#if (_MSC_VER >= 1900) && !defined(__EDG__)
|
|
#define mi_decl_allocator __declspec(allocator) __declspec(restrict)
|
|
#else
|
|
#define mi_decl_allocator __declspec(restrict)
|
|
#endif
|
|
#define mi_decl_thread __declspec(thread)
|
|
#define mi_attr_malloc
|
|
#define mi_attr_alloc_size(s)
|
|
#define mi_attr_alloc_size2(s1,s2)
|
|
#define mi_cdecl __cdecl
|
|
#elif defined(__GNUC__) || defined(__clang__)
|
|
#define mi_decl_thread __thread
|
|
#define mi_decl_export __attribute__((visibility("default")))
|
|
#define mi_decl_allocator
|
|
#define mi_attr_malloc __attribute__((malloc))
|
|
#if defined(__clang_major__) && (__clang_major__ < 4)
|
|
#define mi_attr_alloc_size(s)
|
|
#define mi_attr_alloc_size2(s1,s2)
|
|
#else
|
|
#define mi_attr_alloc_size(s) __attribute__((alloc_size(s)))
|
|
#define mi_attr_alloc_size2(s1,s2) __attribute__((alloc_size(s1,s2)))
|
|
#define mi_cdecl // leads to warnings... __attribute__((cdecl))
|
|
#endif
|
|
#else
|
|
#define mi_decl_thread __thread
|
|
#define mi_decl_export
|
|
#define mi_decl_allocator
|
|
#define mi_attr_malloc
|
|
#define mi_attr_alloc_size(s)
|
|
#define mi_attr_alloc_size2(s1,s2)
|
|
#define mi_cdecl
|
|
#endif
|
|
|
|
// ------------------------------------------------------
|
|
// Includes
|
|
// ------------------------------------------------------
|
|
|
|
#include <stdlib.h> // size_t, malloc etc.
|
|
#include <stdbool.h> // bool
|
|
#include <stdio.h> // FILE
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
// ------------------------------------------------------
|
|
// Standard malloc interface
|
|
// ------------------------------------------------------
|
|
|
|
mi_decl_export mi_decl_allocator void* mi_malloc(size_t size) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(1);
|
|
mi_decl_export mi_decl_allocator void* mi_calloc(size_t count, size_t size) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size2(1,2);
|
|
mi_decl_export mi_decl_allocator void* mi_realloc(void* p, size_t newsize) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(2);
|
|
mi_decl_export mi_decl_allocator void* mi_expand(void* p, size_t newsize) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(2);
|
|
|
|
mi_decl_export void mi_free(void* p) mi_attr_noexcept;
|
|
mi_decl_export char* mi_strdup(const char* s) mi_attr_noexcept;
|
|
mi_decl_export char* mi_strndup(const char* s, size_t n) mi_attr_noexcept;
|
|
mi_decl_export char* mi_realpath(const char* fname, char* resolved_name) mi_attr_noexcept;
|
|
|
|
// ------------------------------------------------------
|
|
// Extended functionality
|
|
// ------------------------------------------------------
|
|
#define MI_SMALL_WSIZE_MAX (128)
|
|
#define MI_SMALL_SIZE_MAX (MI_SMALL_WSIZE_MAX*sizeof(void*))
|
|
|
|
mi_decl_export mi_decl_allocator void* mi_malloc_small(size_t size) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(1);
|
|
mi_decl_export mi_decl_allocator void* mi_zalloc_small(size_t size) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(1);
|
|
mi_decl_export mi_decl_allocator void* mi_zalloc(size_t size) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(1);
|
|
|
|
mi_decl_export mi_decl_allocator void* mi_mallocn(size_t count, size_t size) mi_attr_noexcept;
|
|
mi_decl_export mi_decl_allocator void* mi_reallocn(void* p, size_t count, size_t size) mi_attr_noexcept;
|
|
mi_decl_export mi_decl_allocator void* mi_reallocf(void* p, size_t newsize) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(2);
|
|
|
|
mi_decl_export size_t mi_usable_size(const void* p) mi_attr_noexcept;
|
|
mi_decl_export size_t mi_good_size(size_t size) mi_attr_noexcept;
|
|
|
|
mi_decl_export void mi_collect(bool force) mi_attr_noexcept;
|
|
mi_decl_export void mi_stats_print(FILE* out) mi_attr_noexcept;
|
|
mi_decl_export void mi_stats_reset(void) mi_attr_noexcept;
|
|
mi_decl_export int mi_version(void) mi_attr_noexcept;
|
|
|
|
mi_decl_export void mi_process_init(void) mi_attr_noexcept;
|
|
mi_decl_export void mi_thread_init(void) mi_attr_noexcept;
|
|
mi_decl_export void mi_thread_done(void) mi_attr_noexcept;
|
|
mi_decl_export void mi_thread_stats_print(FILE* out) mi_attr_noexcept;
|
|
|
|
typedef void (mi_deferred_free_fun)(bool force, unsigned long long heartbeat);
|
|
mi_decl_export void mi_register_deferred_free(mi_deferred_free_fun* deferred_free) mi_attr_noexcept;
|
|
|
|
|
|
// ------------------------------------------------------
|
|
// Aligned allocation
|
|
// ------------------------------------------------------
|
|
|
|
mi_decl_export mi_decl_allocator void* mi_malloc_aligned(size_t size, size_t alignment) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(1);
|
|
mi_decl_export mi_decl_allocator void* mi_malloc_aligned_at(size_t size, size_t alignment, size_t offset) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(1);
|
|
mi_decl_export mi_decl_allocator void* mi_zalloc_aligned(size_t size, size_t alignment) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(1);
|
|
mi_decl_export mi_decl_allocator void* mi_zalloc_aligned_at(size_t size, size_t alignment, size_t offset) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(1);
|
|
mi_decl_export mi_decl_allocator void* mi_calloc_aligned(size_t count, size_t size, size_t alignment) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size2(1,2);
|
|
mi_decl_export mi_decl_allocator void* mi_calloc_aligned_at(size_t count, size_t size, size_t alignment, size_t offset) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size2(1,2);
|
|
mi_decl_export mi_decl_allocator void* mi_realloc_aligned(void* p, size_t newsize, size_t alignment) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(2);
|
|
mi_decl_export mi_decl_allocator void* mi_realloc_aligned_at(void* p, size_t newsize, size_t alignment, size_t offset) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(2);
|
|
|
|
|
|
// ------------------------------------------------------
|
|
// Heaps
|
|
// ------------------------------------------------------
|
|
struct mi_heap_s;
|
|
typedef struct mi_heap_s mi_heap_t;
|
|
|
|
mi_decl_export mi_heap_t* mi_heap_new(void);
|
|
mi_decl_export void mi_heap_delete(mi_heap_t* heap);
|
|
mi_decl_export void mi_heap_destroy(mi_heap_t* heap);
|
|
mi_decl_export mi_heap_t* mi_heap_set_default(mi_heap_t* heap);
|
|
mi_decl_export mi_heap_t* mi_heap_get_default(void);
|
|
mi_decl_export mi_heap_t* mi_heap_get_backing(void);
|
|
mi_decl_export void mi_heap_collect(mi_heap_t* heap, bool force) mi_attr_noexcept;
|
|
|
|
mi_decl_export mi_decl_allocator void* mi_heap_malloc(mi_heap_t* heap, size_t size) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(2);
|
|
mi_decl_export mi_decl_allocator void* mi_heap_zalloc(mi_heap_t* heap, size_t size) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(2);
|
|
mi_decl_export mi_decl_allocator void* mi_heap_calloc(mi_heap_t* heap, size_t count, size_t size) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size2(2, 3);
|
|
mi_decl_export mi_decl_allocator void* mi_heap_mallocn(mi_heap_t* heap, size_t count, size_t size) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size2(2, 3);
|
|
mi_decl_export mi_decl_allocator void* mi_heap_malloc_small(mi_heap_t* heap, size_t size) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(2);
|
|
|
|
mi_decl_export mi_decl_allocator void* mi_heap_realloc(mi_heap_t* heap, void* p, size_t newsize) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(3);
|
|
mi_decl_export mi_decl_allocator void* mi_heap_reallocn(mi_heap_t* heap, void* p, size_t count, size_t size) mi_attr_noexcept;
|
|
mi_decl_export mi_decl_allocator void* mi_heap_reallocf(mi_heap_t* heap, void* p, size_t newsize) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(3);
|
|
|
|
mi_decl_export char* mi_heap_strdup(mi_heap_t* heap, const char* s) mi_attr_noexcept;
|
|
mi_decl_export char* mi_heap_strndup(mi_heap_t* heap, const char* s, size_t n) mi_attr_noexcept;
|
|
mi_decl_export char* mi_heap_realpath(mi_heap_t* heap, const char* fname, char* resolved_name) mi_attr_noexcept;
|
|
|
|
mi_decl_export mi_decl_allocator void* mi_heap_malloc_aligned(mi_heap_t* heap, size_t size, size_t alignment) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(2);
|
|
mi_decl_export mi_decl_allocator void* mi_heap_malloc_aligned_at(mi_heap_t* heap, size_t size, size_t alignment, size_t offset) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(2);
|
|
mi_decl_export mi_decl_allocator void* mi_heap_zalloc_aligned(mi_heap_t* heap, size_t size, size_t alignment) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(2);
|
|
mi_decl_export mi_decl_allocator void* mi_heap_zalloc_aligned_at(mi_heap_t* heap, size_t size, size_t alignment, size_t offset) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(2);
|
|
mi_decl_export mi_decl_allocator void* mi_heap_calloc_aligned(mi_heap_t* heap, size_t count, size_t size, size_t alignment) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size2(2, 3);
|
|
mi_decl_export mi_decl_allocator void* mi_heap_calloc_aligned_at(mi_heap_t* heap, size_t count, size_t size, size_t alignment, size_t offset) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size2(2, 3);
|
|
mi_decl_export mi_decl_allocator void* mi_heap_realloc_aligned(mi_heap_t* heap, void* p, size_t newsize, size_t alignment) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(3);
|
|
mi_decl_export mi_decl_allocator void* mi_heap_realloc_aligned_at(mi_heap_t* heap, void* p, size_t newsize, size_t alignment, size_t offset) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(3);
|
|
|
|
|
|
// ------------------------------------------------------
|
|
// Analysis
|
|
// ------------------------------------------------------
|
|
|
|
mi_decl_export bool mi_heap_contains_block(mi_heap_t* heap, const void* p);
|
|
|
|
mi_decl_export bool mi_heap_check_owned(mi_heap_t* heap, const void* p);
|
|
mi_decl_export bool mi_check_owned(const void* p);
|
|
|
|
// An area of heap space contains blocks of a single size.
|
|
typedef struct mi_heap_area_s {
|
|
void* blocks; // start of the area containing heap blocks
|
|
size_t reserved; // bytes reserved for this area (virtual)
|
|
size_t committed; // current available bytes for this area
|
|
size_t used; // bytes in use by allocated blocks
|
|
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);
|
|
|
|
mi_decl_export bool mi_heap_visit_blocks(const mi_heap_t* heap, bool visit_all_blocks, mi_block_visit_fun* visitor, void* arg);
|
|
|
|
// ------------------------------------------------------
|
|
// Convenience
|
|
// ------------------------------------------------------
|
|
|
|
#define mi_malloc_tp(tp) ((tp*)mi_malloc(sizeof(tp)))
|
|
#define mi_zalloc_tp(tp) ((tp*)mi_zalloc(sizeof(tp)))
|
|
#define mi_calloc_tp(tp,n) ((tp*)mi_calloc(n,sizeof(tp)))
|
|
#define mi_mallocn_tp(tp,n) ((tp*)mi_mallocn(n,sizeof(tp)))
|
|
#define mi_reallocn_tp(p,tp,n) ((tp*)mi_reallocn(p,n,sizeof(tp)))
|
|
|
|
#define mi_heap_malloc_tp(hp,tp) ((tp*)mi_heap_malloc(hp,sizeof(tp)))
|
|
#define mi_heap_zalloc_tp(hp,tp) ((tp*)mi_heap_zalloc(hp,sizeof(tp)))
|
|
#define mi_heap_calloc_tp(hp,tp,n) ((tp*)mi_heap_calloc(hp,n,sizeof(tp)))
|
|
#define mi_heap_mallocn_tp(hp,tp,n) ((tp*)mi_heap_mallocn(hp,n,sizeof(tp)))
|
|
#define mi_heap_reallocn_tp(hp,tp,n) ((tp*)mi_heap_reallocn(hp,n,sizeof(tp)))
|
|
|
|
|
|
// ------------------------------------------------------
|
|
// Options, all `false` by default
|
|
// ------------------------------------------------------
|
|
|
|
typedef enum mi_option_e {
|
|
mi_option_page_reset,
|
|
mi_option_cache_reset,
|
|
mi_option_eager_commit,
|
|
mi_option_eager_region_commit,
|
|
mi_option_large_os_pages, // implies eager commit
|
|
mi_option_reset_decommits,
|
|
mi_option_reset_discards,
|
|
mi_option_secure,
|
|
mi_option_show_stats,
|
|
mi_option_show_errors,
|
|
mi_option_verbose,
|
|
_mi_option_last
|
|
} mi_option_t;
|
|
|
|
|
|
mi_decl_export bool mi_option_is_enabled(mi_option_t option);
|
|
mi_decl_export void mi_option_enable(mi_option_t option, bool enable);
|
|
mi_decl_export void mi_option_enable_default(mi_option_t option, bool enable);
|
|
|
|
mi_decl_export long mi_option_get(mi_option_t option);
|
|
mi_decl_export void mi_option_set(mi_option_t option, long value);
|
|
mi_decl_export void mi_option_set_default(mi_option_t option, long value);
|
|
|
|
|
|
// ----------------------------------------------------------------------------------
|
|
// mi prefixed implementations of various posix, unix, and C++ allocation functions.
|
|
// -----------------------------------------------------------------------------------
|
|
|
|
mi_decl_export void* mi_recalloc(void* p, size_t count, size_t size) mi_attr_noexcept;
|
|
mi_decl_export size_t mi_malloc_size(const void* p) mi_attr_noexcept;
|
|
mi_decl_export size_t mi_malloc_usable_size(const void *p) mi_attr_noexcept;
|
|
mi_decl_export void mi_cfree(void* p) mi_attr_noexcept;
|
|
|
|
mi_decl_export int mi_posix_memalign(void** p, size_t alignment, size_t size) mi_attr_noexcept;
|
|
mi_decl_export int mi__posix_memalign(void** p, size_t alignment, size_t size) mi_attr_noexcept;
|
|
mi_decl_export mi_decl_allocator void* mi_memalign(size_t alignment, size_t size) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(2);
|
|
mi_decl_export mi_decl_allocator void* mi_valloc(size_t size) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(1);
|
|
|
|
mi_decl_export mi_decl_allocator void* mi_pvalloc(size_t size) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(1);
|
|
mi_decl_export mi_decl_allocator void* mi_aligned_alloc(size_t alignment, size_t size) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(2);
|
|
mi_decl_export mi_decl_allocator void* mi_reallocarray(void* p, size_t count, size_t size) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size2(2,3);
|
|
|
|
mi_decl_export void mi_free_size(void* p, size_t size) mi_attr_noexcept;
|
|
mi_decl_export void mi_free_size_aligned(void* p, size_t size, size_t alignment) mi_attr_noexcept;
|
|
mi_decl_export void mi_free_aligned(void* p, size_t alignment) mi_attr_noexcept;
|
|
|
|
mi_decl_export void* mi_new(size_t n) mi_attr_malloc mi_attr_alloc_size(1);
|
|
mi_decl_export void* mi_new_aligned(size_t n, size_t alignment) mi_attr_malloc mi_attr_alloc_size(1);
|
|
mi_decl_export void* mi_new_nothrow(size_t n) mi_attr_malloc mi_attr_alloc_size(1);
|
|
mi_decl_export void* mi_new_aligned_nothrow(size_t n, size_t alignment) mi_attr_malloc mi_attr_alloc_size(1);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
|
|
#endif
|