42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
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#pragma once
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#include <stddef.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <sys/syscall.h>
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#define ALIGN4(s) (((((s)-1)>>2)<<2)+4)
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#define ALIGN16(s) (((s) + 15) & ~0x0F)
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#define ALIGNMENT 4
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#define BLOCK_SIZE sizeof(struct Block)
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#define MINIMUM_BLOCK_SIZE (sizeof(struct Block) + 16)
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enum MemMode : unsigned char
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{
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MEM_MODE_SPEED, // Memory will be allocated more quickly but loses memory efficiency.
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MEM_MODE_EFFICIENCY, // Memory will be allocated more slowly but gains memory efficiency.
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MEM_MODE_BALANCED // Memory will be allocated as quickly as possible but also for the sake of memory efficiency.
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};
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void set_memory_mode(enum MemMode new_mode);
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enum MemMode get_memory_mode();
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/// Will find or allocate a memory block appropriately.
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/// @param [in] size The size of the memory block to request.
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/// @returns The allocated memory address on the heap.
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void *malloc(size_t size);
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void *realloc(void *ptr, size_t newSize);
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/// Will flag the provided memory as free and will defragment other blocks adjacent to it.
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/// @param [in] ptr The memory to flag as free.
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void free(void *ptr);
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/// Will retrieve the current real byte size of the heap.
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/// @returns The size in bytes.
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size_t get_heap_size();
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/// Will check memory blocks on program exit if there's dangling memory.
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void check_memory();
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