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libmemalloc
v4.0.00
Modern Memory Allocator
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libmemalloc
v4.0.00
Modern Memory Allocator
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#include <pthread.h>#include <stdatomic.h>#include <stdbool.h>#include <stdint.h>#include <string.h>Go to the source code of this file.
Classes | |
| struct | block_header_t |
| Represents the header for a memory block. More... | |
| struct | mem_arena_t |
| Represents a memory arena with its own free lists. More... | |
| struct | mmap_t |
| Tracks memory-mapped regions for large allocations. More... | |
| struct | gc_thread_t |
| Orchestrates the background mark-and-sweep garbage collector. More... | |
| struct | mem_allocator_t |
| Manages dynamic memory allocation. More... | |
Macros | |
| #define | __ALIGN |
| Defines structure alignment and enforces the target byte order. | |
| #define | __LIBMEMALLOC_API |
| Defines the default visibility attribute for exported symbols. | |
| #define | __LIBMEMALLOC_MALLOC |
| Annotates allocator functions that return newly allocated memory. | |
| #define | __LIBMEMALLOC_REALLOC |
| Annotates reallocator functions that may return a pointer to resized memory. | |
| #define | PTR_ERR(x) ((void *)((intptr_t)(x))) |
| Encodes a negative error code as an error pointer. | |
| #define | ALIGN(x) (((x) + (ARCH_ALIGNMENT - 1U)) & ~(ARCH_ALIGNMENT - 1U)) |
| Aligns a given value to the nearest memory boundary. | |
| #define | GC_INTERVAL_MS (uint16_t)(100U) |
| Default interval in milliseconds between GC cycles. | |
Enumerations | |
| enum | allocation_strategy_t { FIRST_FIT = (uint8_t)(0u) , NEXT_FIT = (uint8_t)(1u) , BEST_FIT = (uint8_t)(2u) } |
| Defines allocation strategies for memory management. More... | |
Functions | |
| void * | MEM_memset (void *const source, const int value, const size_t size) |
| Fills a memory block with a specified byte value using optimized operations. | |
| void * | MEM_memcpy (void *const dest, const void *src, const size_t size) |
| Copies a memory block between buffers using optimized operations. | |
| int | MEM_allocatorInit (mem_allocator_t *const allocator) |
| Initializes the memory allocator and its internal structures. | |
| void * | MEM_allocMallocFirstFit (mem_allocator_t *const allocator, const size_t size, const char *const var) |
| Allocates memory using the FIRST_FIT strategy. | |
| void * | MEM_allocMallocBestFit (mem_allocator_t *const allocator, const size_t size, const char *const var) |
| Allocates memory using the BEST_FIT strategy. | |
| void * | MEM_allocMallocNextFit (mem_allocator_t *const allocator, const size_t size, const char *const var) |
| Allocates memory using the NEXT_FIT strategy. | |
| void * | MEM_allocMalloc (mem_allocator_t *const allocator, const size_t size, const char *const var, const allocation_strategy_t strategy) |
| Allocates memory using the specified strategy. | |
| void * | MEM_allocCalloc (mem_allocator_t *const allocator, const size_t size, const char *const var, const allocation_strategy_t strategy) |
| Allocates and zero‐initializes memory using the specified strategy. | |
| void * | MEM_allocRealloc (mem_allocator_t *const allocator, void *const ptr, const size_t new_size, const char *const var, const allocation_strategy_t strategy) |
| Reallocates memory with safety checks using the specified strategy. | |
| int | MEM_allocFree (mem_allocator_t *const allocator, void *const ptr, const char *const var) |
| Releases allocated memory back to the heap. | |
| int | MEM_enableGc (mem_allocator_t *const allocator) |
| Start or signal the garbage collector thread. | |
| int | MEM_disableGc (mem_allocator_t *const allocator) |
| Stop the garbage collector thread and perform a final collection. | |
Implements memory allocator with advanced features:
1.9.8