428 lines
26 KiB
C++
428 lines
26 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 162 // major + 2 digits minor
|
|
|
|
// ------------------------------------------------------
|
|
// Compiler specific attributes
|
|
// ------------------------------------------------------
|
|
|
|
#ifdef __cplusplus
|
|
#if (__cplusplus >= 201103L) || (_MSC_VER > 1900) // C++11
|
|
#define mi_attr_noexcept noexcept
|
|
#else
|
|
#define mi_attr_noexcept throw()
|
|
#endif
|
|
#else
|
|
#define mi_attr_noexcept
|
|
#endif
|
|
|
|
#if (__cplusplus >= 201703)
|
|
#define mi_decl_nodiscard [[nodiscard]]
|
|
#elif (__GNUC__ >= 4) || defined(__clang__) // includes clang, icc, and clang-cl
|
|
#define mi_decl_nodiscard __attribute__((warn_unused_result))
|
|
#elif (_MSC_VER >= 1700)
|
|
#define mi_decl_nodiscard _Check_return_
|
|
#else
|
|
#define mi_decl_nodiscard
|
|
#endif
|
|
|
|
#if defined(_MSC_VER) || defined(__MINGW32__)
|
|
#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 defined(__MINGW32__)
|
|
#define mi_decl_restrict
|
|
#define mi_attr_malloc __attribute__((malloc))
|
|
#else
|
|
#if (_MSC_VER >= 1900) && !defined(__EDG__)
|
|
#define mi_decl_restrict __declspec(allocator) __declspec(restrict)
|
|
#else
|
|
#define mi_decl_restrict __declspec(restrict)
|
|
#endif
|
|
#define mi_attr_malloc
|
|
#endif
|
|
#define mi_cdecl __cdecl
|
|
#define mi_attr_alloc_size(s)
|
|
#define mi_attr_alloc_size2(s1,s2)
|
|
#define mi_attr_alloc_align(p)
|
|
#elif defined(__GNUC__) // includes clang and icc
|
|
#define mi_cdecl // leads to warnings... __attribute__((cdecl))
|
|
#define mi_decl_export __attribute__((visibility("default")))
|
|
#define mi_decl_restrict
|
|
#define mi_attr_malloc __attribute__((malloc))
|
|
#if (defined(__clang_major__) && (__clang_major__ < 4)) || (__GNUC__ < 5)
|
|
#define mi_attr_alloc_size(s)
|
|
#define mi_attr_alloc_size2(s1,s2)
|
|
#define mi_attr_alloc_align(p)
|
|
#elif defined(__INTEL_COMPILER)
|
|
#define mi_attr_alloc_size(s) __attribute__((alloc_size(s)))
|
|
#define mi_attr_alloc_size2(s1,s2) __attribute__((alloc_size(s1,s2)))
|
|
#define mi_attr_alloc_align(p)
|
|
#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_attr_alloc_align(p) __attribute__((alloc_align(p)))
|
|
#endif
|
|
#else
|
|
#define mi_cdecl
|
|
#define mi_decl_export
|
|
#define mi_decl_restrict
|
|
#define mi_attr_malloc
|
|
#define mi_attr_alloc_size(s)
|
|
#define mi_attr_alloc_size2(s1,s2)
|
|
#define mi_attr_alloc_align(p)
|
|
#endif
|
|
|
|
// ------------------------------------------------------
|
|
// Includes
|
|
// ------------------------------------------------------
|
|
|
|
#include <stddef.h> // size_t
|
|
#include <stdbool.h> // bool
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
// ------------------------------------------------------
|
|
// Standard malloc interface
|
|
// ------------------------------------------------------
|
|
|
|
mi_decl_nodiscard mi_decl_export mi_decl_restrict void* mi_malloc(size_t size) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(1);
|
|
mi_decl_nodiscard mi_decl_export mi_decl_restrict void* mi_calloc(size_t count, size_t size) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size2(1,2);
|
|
mi_decl_nodiscard mi_decl_export void* mi_realloc(void* p, size_t newsize) mi_attr_noexcept mi_attr_alloc_size(2);
|
|
mi_decl_export void* mi_expand(void* p, size_t newsize) mi_attr_noexcept mi_attr_alloc_size(2);
|
|
|
|
mi_decl_export void mi_free(void* p) mi_attr_noexcept;
|
|
mi_decl_nodiscard mi_decl_export mi_decl_restrict char* mi_strdup(const char* s) mi_attr_noexcept mi_attr_malloc;
|
|
mi_decl_nodiscard mi_decl_export mi_decl_restrict char* mi_strndup(const char* s, size_t n) mi_attr_noexcept mi_attr_malloc;
|
|
mi_decl_nodiscard mi_decl_export mi_decl_restrict char* mi_realpath(const char* fname, char* resolved_name) mi_attr_noexcept mi_attr_malloc;
|
|
|
|
// ------------------------------------------------------
|
|
// Extended functionality
|
|
// ------------------------------------------------------
|
|
#define MI_SMALL_WSIZE_MAX (128)
|
|
#define MI_SMALL_SIZE_MAX (MI_SMALL_WSIZE_MAX*sizeof(void*))
|
|
|
|
mi_decl_nodiscard mi_decl_export mi_decl_restrict void* mi_malloc_small(size_t size) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(1);
|
|
mi_decl_nodiscard mi_decl_export mi_decl_restrict void* mi_zalloc_small(size_t size) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(1);
|
|
mi_decl_nodiscard mi_decl_export mi_decl_restrict void* mi_zalloc(size_t size) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(1);
|
|
|
|
mi_decl_nodiscard mi_decl_export mi_decl_restrict void* mi_mallocn(size_t count, size_t size) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size2(1,2);
|
|
mi_decl_nodiscard mi_decl_export void* mi_reallocn(void* p, size_t count, size_t size) mi_attr_noexcept mi_attr_alloc_size2(2,3);
|
|
mi_decl_nodiscard mi_decl_export void* mi_reallocf(void* p, size_t newsize) mi_attr_noexcept mi_attr_alloc_size(2);
|
|
|
|
mi_decl_nodiscard mi_decl_export size_t mi_usable_size(const void* p) mi_attr_noexcept;
|
|
mi_decl_nodiscard mi_decl_export size_t mi_good_size(size_t size) mi_attr_noexcept;
|
|
|
|
|
|
// ------------------------------------------------------
|
|
// Internals
|
|
// ------------------------------------------------------
|
|
|
|
typedef void (mi_cdecl mi_deferred_free_fun)(bool force, unsigned long long heartbeat, void* arg);
|
|
mi_decl_export void mi_register_deferred_free(mi_deferred_free_fun* deferred_free, void* arg) mi_attr_noexcept;
|
|
|
|
typedef void (mi_cdecl mi_output_fun)(const char* msg, void* arg);
|
|
mi_decl_export void mi_register_output(mi_output_fun* out, void* arg) mi_attr_noexcept;
|
|
|
|
typedef void (mi_cdecl mi_error_fun)(int err, void* arg);
|
|
mi_decl_export void mi_register_error(mi_error_fun* fun, void* arg);
|
|
|
|
mi_decl_export void mi_collect(bool force) mi_attr_noexcept;
|
|
mi_decl_export int mi_version(void) mi_attr_noexcept;
|
|
mi_decl_export void mi_stats_reset(void) mi_attr_noexcept;
|
|
mi_decl_export void mi_stats_merge(void) mi_attr_noexcept;
|
|
mi_decl_export void mi_stats_print(void* out) mi_attr_noexcept; // backward compatibility: `out` is ignored and should be NULL
|
|
mi_decl_export void mi_stats_print_out(mi_output_fun* out, void* arg) 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_out(mi_output_fun* out, void* arg) mi_attr_noexcept;
|
|
|
|
|
|
// -------------------------------------------------------------------------------------
|
|
// Aligned allocation
|
|
// Note that `alignment` always follows `size` for consistency with unaligned
|
|
// allocation, but unfortunately this differs from `posix_memalign` and `aligned_alloc`.
|
|
// -------------------------------------------------------------------------------------
|
|
|
|
mi_decl_nodiscard mi_decl_export mi_decl_restrict void* mi_malloc_aligned(size_t size, size_t alignment) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(1) mi_attr_alloc_align(2);
|
|
mi_decl_nodiscard mi_decl_export mi_decl_restrict 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_nodiscard mi_decl_export mi_decl_restrict void* mi_zalloc_aligned(size_t size, size_t alignment) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(1) mi_attr_alloc_align(2);
|
|
mi_decl_nodiscard mi_decl_export mi_decl_restrict 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_nodiscard mi_decl_export mi_decl_restrict 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_attr_alloc_align(3);
|
|
mi_decl_nodiscard mi_decl_export mi_decl_restrict 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_nodiscard mi_decl_export void* mi_realloc_aligned(void* p, size_t newsize, size_t alignment) mi_attr_noexcept mi_attr_alloc_size(2) mi_attr_alloc_align(3);
|
|
mi_decl_nodiscard mi_decl_export void* mi_realloc_aligned_at(void* p, size_t newsize, size_t alignment, size_t offset) mi_attr_noexcept mi_attr_alloc_size(2);
|
|
|
|
|
|
// -------------------------------------------------------------------------------------
|
|
// Heaps: first-class, but can only allocate from the same thread that created it.
|
|
// -------------------------------------------------------------------------------------
|
|
|
|
struct mi_heap_s;
|
|
typedef struct mi_heap_s mi_heap_t;
|
|
|
|
mi_decl_nodiscard 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_nodiscard mi_decl_export mi_decl_restrict void* mi_heap_malloc(mi_heap_t* heap, size_t size) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(2);
|
|
mi_decl_nodiscard mi_decl_export mi_decl_restrict void* mi_heap_zalloc(mi_heap_t* heap, size_t size) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(2);
|
|
mi_decl_nodiscard mi_decl_export mi_decl_restrict 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_nodiscard mi_decl_export mi_decl_restrict 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_nodiscard mi_decl_export mi_decl_restrict 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_nodiscard mi_decl_export void* mi_heap_realloc(mi_heap_t* heap, void* p, size_t newsize) mi_attr_noexcept mi_attr_alloc_size(3);
|
|
mi_decl_nodiscard mi_decl_export void* mi_heap_reallocn(mi_heap_t* heap, void* p, size_t count, size_t size) mi_attr_noexcept mi_attr_alloc_size2(3,4);;
|
|
mi_decl_nodiscard mi_decl_export void* mi_heap_reallocf(mi_heap_t* heap, void* p, size_t newsize) mi_attr_noexcept mi_attr_alloc_size(3);
|
|
|
|
mi_decl_nodiscard mi_decl_export mi_decl_restrict char* mi_heap_strdup(mi_heap_t* heap, const char* s) mi_attr_noexcept mi_attr_malloc;
|
|
mi_decl_nodiscard mi_decl_export mi_decl_restrict char* mi_heap_strndup(mi_heap_t* heap, const char* s, size_t n) mi_attr_noexcept mi_attr_malloc;
|
|
mi_decl_nodiscard mi_decl_export mi_decl_restrict char* mi_heap_realpath(mi_heap_t* heap, const char* fname, char* resolved_name) mi_attr_noexcept mi_attr_malloc;
|
|
|
|
mi_decl_nodiscard mi_decl_export mi_decl_restrict 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_attr_alloc_align(3);
|
|
mi_decl_nodiscard mi_decl_export mi_decl_restrict 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_nodiscard mi_decl_export mi_decl_restrict 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_attr_alloc_align(3);
|
|
mi_decl_nodiscard mi_decl_export mi_decl_restrict 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_nodiscard mi_decl_export mi_decl_restrict 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_attr_alloc_align(4);
|
|
mi_decl_nodiscard mi_decl_export mi_decl_restrict 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_nodiscard mi_decl_export void* mi_heap_realloc_aligned(mi_heap_t* heap, void* p, size_t newsize, size_t alignment) mi_attr_noexcept mi_attr_alloc_size(3) mi_attr_alloc_align(4);
|
|
mi_decl_nodiscard mi_decl_export 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_alloc_size(3);
|
|
|
|
|
|
// --------------------------------------------------------------------------------
|
|
// Zero initialized re-allocation.
|
|
// Only valid on memory that was originally allocated with zero initialization too.
|
|
// e.g. `mi_calloc`, `mi_zalloc`, `mi_zalloc_aligned` etc.
|
|
// see <https://github.com/microsoft/mimalloc/issues/63#issuecomment-508272992>
|
|
// --------------------------------------------------------------------------------
|
|
|
|
mi_decl_nodiscard mi_decl_export void* mi_rezalloc(void* p, size_t newsize) mi_attr_noexcept mi_attr_alloc_size(2);
|
|
mi_decl_nodiscard mi_decl_export void* mi_recalloc(void* p, size_t newcount, size_t size) mi_attr_noexcept mi_attr_alloc_size2(2,3);
|
|
|
|
mi_decl_nodiscard mi_decl_export void* mi_rezalloc_aligned(void* p, size_t newsize, size_t alignment) mi_attr_noexcept mi_attr_alloc_size(2) mi_attr_alloc_align(3);
|
|
mi_decl_nodiscard mi_decl_export void* mi_rezalloc_aligned_at(void* p, size_t newsize, size_t alignment, size_t offset) mi_attr_noexcept mi_attr_alloc_size(2);
|
|
mi_decl_nodiscard mi_decl_export void* mi_recalloc_aligned(void* p, size_t newcount, size_t size, size_t alignment) mi_attr_noexcept mi_attr_alloc_size2(2,3) mi_attr_alloc_align(4);
|
|
mi_decl_nodiscard mi_decl_export void* mi_recalloc_aligned_at(void* p, size_t newcount, size_t size, size_t alignment, size_t offset) mi_attr_noexcept mi_attr_alloc_size2(2,3);
|
|
|
|
mi_decl_nodiscard mi_decl_export void* mi_heap_rezalloc(mi_heap_t* heap, void* p, size_t newsize) mi_attr_noexcept mi_attr_alloc_size(3);
|
|
mi_decl_nodiscard mi_decl_export void* mi_heap_recalloc(mi_heap_t* heap, void* p, size_t newcount, size_t size) mi_attr_noexcept mi_attr_alloc_size2(3,4);
|
|
|
|
mi_decl_nodiscard mi_decl_export void* mi_heap_rezalloc_aligned(mi_heap_t* heap, void* p, size_t newsize, size_t alignment) mi_attr_noexcept mi_attr_alloc_size(3) mi_attr_alloc_align(4);
|
|
mi_decl_nodiscard mi_decl_export void* mi_heap_rezalloc_aligned_at(mi_heap_t* heap, void* p, size_t newsize, size_t alignment, size_t offset) mi_attr_noexcept mi_attr_alloc_size(3);
|
|
mi_decl_nodiscard mi_decl_export void* mi_heap_recalloc_aligned(mi_heap_t* heap, void* p, size_t newcount, size_t size, size_t alignment) mi_attr_noexcept mi_attr_alloc_size2(3,4) mi_attr_alloc_align(5);
|
|
mi_decl_nodiscard mi_decl_export void* mi_heap_recalloc_aligned_at(mi_heap_t* heap, void* p, size_t newcount, size_t size, size_t alignment, size_t offset) mi_attr_noexcept mi_attr_alloc_size2(3,4);
|
|
|
|
|
|
// ------------------------------------------------------
|
|
// 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);
|
|
|
|
// Experimental
|
|
mi_decl_nodiscard mi_decl_export bool mi_is_in_heap_region(const void* p) mi_attr_noexcept;
|
|
mi_decl_nodiscard mi_decl_export bool mi_is_redirected() mi_attr_noexcept;
|
|
|
|
mi_decl_export int mi_reserve_huge_os_pages_interleave(size_t pages, size_t numa_nodes, size_t timeout_msecs) mi_attr_noexcept;
|
|
mi_decl_export int mi_reserve_huge_os_pages_at(size_t pages, int numa_node, size_t timeout_msecs) mi_attr_noexcept;
|
|
|
|
// deprecated
|
|
mi_decl_export int mi_reserve_huge_os_pages(size_t pages, double max_secs, size_t* pages_reserved) mi_attr_noexcept;
|
|
|
|
|
|
// ------------------------------------------------------
|
|
// 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_recalloc_tp(p,tp,n) ((tp*)mi_recalloc(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,p,tp,n) ((tp*)mi_heap_reallocn(hp,p,n,sizeof(tp)))
|
|
#define mi_heap_recalloc_tp(hp,p,tp,n) ((tp*)mi_heap_recalloc(hp,p,n,sizeof(tp)))
|
|
|
|
|
|
// ------------------------------------------------------
|
|
// Options, all `false` by default
|
|
// ------------------------------------------------------
|
|
|
|
typedef enum mi_option_e {
|
|
// stable options
|
|
mi_option_show_errors,
|
|
mi_option_show_stats,
|
|
mi_option_verbose,
|
|
// the following options are experimental
|
|
mi_option_eager_commit,
|
|
mi_option_eager_region_commit,
|
|
mi_option_reset_decommits,
|
|
mi_option_large_os_pages, // implies eager commit
|
|
mi_option_reserve_huge_os_pages,
|
|
mi_option_segment_cache,
|
|
mi_option_page_reset,
|
|
mi_option_abandoned_page_reset,
|
|
mi_option_segment_reset,
|
|
mi_option_eager_commit_delay,
|
|
mi_option_reset_delay,
|
|
mi_option_use_numa_nodes,
|
|
mi_option_os_tag,
|
|
mi_option_max_errors,
|
|
_mi_option_last,
|
|
mi_option_eager_page_commit = mi_option_eager_commit
|
|
} mi_option_t;
|
|
|
|
|
|
mi_decl_nodiscard mi_decl_export bool mi_option_is_enabled(mi_option_t option);
|
|
mi_decl_export void mi_option_enable(mi_option_t option);
|
|
mi_decl_export void mi_option_disable(mi_option_t option);
|
|
mi_decl_export void mi_option_set_enabled(mi_option_t option, bool enable);
|
|
mi_decl_export void mi_option_set_enabled_default(mi_option_t option, bool enable);
|
|
|
|
mi_decl_nodiscard 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, Windows, and C++ allocation functions.
|
|
// (This can be convenient when providing overrides of these functions as done in `mimalloc-override.h`.)
|
|
// note: we use `mi_cfree` as "checked free" and it checks if the pointer is in our heap before free-ing.
|
|
// -------------------------------------------------------------------------------------------------------
|
|
|
|
mi_decl_export void mi_cfree(void* p) mi_attr_noexcept;
|
|
mi_decl_export void* mi__expand(void* p, size_t newsize) mi_attr_noexcept;
|
|
mi_decl_nodiscard mi_decl_export size_t mi_malloc_size(const void* p) mi_attr_noexcept;
|
|
mi_decl_nodiscard mi_decl_export size_t mi_malloc_usable_size(const 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_nodiscard mi_decl_export mi_decl_restrict void* mi_memalign(size_t alignment, size_t size) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(2) mi_attr_alloc_align(1);
|
|
mi_decl_nodiscard mi_decl_export mi_decl_restrict void* mi_valloc(size_t size) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(1);
|
|
mi_decl_nodiscard mi_decl_export mi_decl_restrict void* mi_pvalloc(size_t size) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(1);
|
|
mi_decl_nodiscard mi_decl_export mi_decl_restrict void* mi_aligned_alloc(size_t alignment, size_t size) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(2) mi_attr_alloc_align(1);
|
|
|
|
mi_decl_nodiscard mi_decl_export void* mi_reallocarray(void* p, size_t count, size_t size) mi_attr_noexcept mi_attr_alloc_size2(2,3);
|
|
mi_decl_nodiscard mi_decl_export void* mi_aligned_recalloc(void* p, size_t newcount, size_t size, size_t alignment) mi_attr_noexcept;
|
|
mi_decl_nodiscard mi_decl_export void* mi_aligned_offset_recalloc(void* p, size_t newcount, size_t size, size_t alignment, size_t offset) mi_attr_noexcept;
|
|
|
|
mi_decl_nodiscard mi_decl_export mi_decl_restrict unsigned short* mi_wcsdup(const unsigned short* s) mi_attr_noexcept mi_attr_malloc;
|
|
mi_decl_nodiscard mi_decl_export mi_decl_restrict unsigned char* mi_mbsdup(const unsigned char* s) mi_attr_noexcept mi_attr_malloc;
|
|
mi_decl_export int mi_dupenv_s(char** buf, size_t* size, const char* name) mi_attr_noexcept;
|
|
mi_decl_export int mi_wdupenv_s(unsigned short** buf, size_t* size, const unsigned short* name) mi_attr_noexcept;
|
|
|
|
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;
|
|
|
|
// The `mi_new` wrappers implement C++ semantics on out-of-memory instead of directly returning `NULL`.
|
|
// (and call `std::get_new_handler` and potentially raise a `std::bad_alloc` exception).
|
|
mi_decl_nodiscard mi_decl_export mi_decl_restrict void* mi_new(size_t size) mi_attr_malloc mi_attr_alloc_size(1);
|
|
mi_decl_nodiscard mi_decl_export mi_decl_restrict void* mi_new_aligned(size_t size, size_t alignment) mi_attr_malloc mi_attr_alloc_size(1) mi_attr_alloc_align(2);
|
|
mi_decl_nodiscard mi_decl_export mi_decl_restrict void* mi_new_nothrow(size_t size) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(1);
|
|
mi_decl_nodiscard mi_decl_export mi_decl_restrict void* mi_new_aligned_nothrow(size_t size, size_t alignment) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(1) mi_attr_alloc_align(2);
|
|
mi_decl_nodiscard mi_decl_export mi_decl_restrict void* mi_new_n(size_t count, size_t size) mi_attr_malloc mi_attr_alloc_size2(1, 2);
|
|
mi_decl_nodiscard mi_decl_export void* mi_new_realloc(void* p, size_t newsize) mi_attr_alloc_size(2);
|
|
mi_decl_nodiscard mi_decl_export void* mi_new_reallocn(void* p, size_t newcount, size_t size) mi_attr_alloc_size2(2, 3);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
// ---------------------------------------------------------------------------------------------
|
|
// Implement the C++ std::allocator interface for use in STL containers.
|
|
// (note: see `mimalloc-new-delete.h` for overriding the new/delete operators globally)
|
|
// ---------------------------------------------------------------------------------------------
|
|
#ifdef __cplusplus
|
|
|
|
#include <cstdint> // PTRDIFF_MAX
|
|
#if (__cplusplus >= 201103L) || (_MSC_VER > 1900) // C++11
|
|
#include <type_traits> // std::true_type
|
|
#include <utility> // std::forward
|
|
#endif
|
|
|
|
template<class T> struct mi_stl_allocator {
|
|
typedef T value_type;
|
|
typedef std::size_t size_type;
|
|
typedef std::ptrdiff_t difference_type;
|
|
typedef value_type& reference;
|
|
typedef value_type const& const_reference;
|
|
typedef value_type* pointer;
|
|
typedef value_type const* const_pointer;
|
|
template <class U> struct rebind { typedef mi_stl_allocator<U> other; };
|
|
|
|
mi_stl_allocator() mi_attr_noexcept = default;
|
|
mi_stl_allocator(const mi_stl_allocator&) mi_attr_noexcept = default;
|
|
template<class U> mi_stl_allocator(const mi_stl_allocator<U>&) mi_attr_noexcept { }
|
|
mi_stl_allocator select_on_container_copy_construction() const { return *this; }
|
|
void deallocate(T* p, size_type) { mi_free(p); }
|
|
|
|
#if (__cplusplus >= 201703L) // C++17
|
|
mi_decl_nodiscard T* allocate(size_type count) { return static_cast<T*>(mi_new_n(count, sizeof(T))); }
|
|
mi_decl_nodiscard T* allocate(size_type count, const void*) { return allocate(count); }
|
|
#else
|
|
mi_decl_nodiscard pointer allocate(size_type count, const void* = 0) { return static_cast<pointer>(mi_new_n(count, sizeof(value_type))); }
|
|
#endif
|
|
|
|
#if ((__cplusplus >= 201103L) || (_MSC_VER > 1900)) // C++11
|
|
using propagate_on_container_copy_assignment = std::true_type;
|
|
using propagate_on_container_move_assignment = std::true_type;
|
|
using propagate_on_container_swap = std::true_type;
|
|
using is_always_equal = std::true_type;
|
|
template <class U, class ...Args> void construct(U* p, Args&& ...args) { ::new(p) U(std::forward<Args>(args)...); }
|
|
template <class U> void destroy(U* p) mi_attr_noexcept { p->~U(); }
|
|
#else
|
|
void construct(pointer p, value_type const& val) { ::new(p) value_type(val); }
|
|
void destroy(pointer p) { p->~value_type(); }
|
|
#endif
|
|
|
|
size_type max_size() const mi_attr_noexcept { return (PTRDIFF_MAX/sizeof(value_type)); }
|
|
pointer address(reference x) const { return &x; }
|
|
const_pointer address(const_reference x) const { return &x; }
|
|
};
|
|
|
|
template<class T1,class T2> bool operator==(const mi_stl_allocator<T1>& , const mi_stl_allocator<T2>& ) mi_attr_noexcept { return true; }
|
|
template<class T1,class T2> bool operator!=(const mi_stl_allocator<T1>& , const mi_stl_allocator<T2>& ) mi_attr_noexcept { return false; }
|
|
#endif // __cplusplus
|
|
|
|
#endif
|