38 lines
1.0 KiB
C
38 lines
1.0 KiB
C
#pragma once
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#include <stdint.h>
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typedef uint32_t alo_size_t;
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struct alo_pool_s;
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struct alo_pool_s* aloPoolCreate(alo_size_t size, int expected_allocations, alo_size_t min_alignment);
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void aloPoolDestroy(struct alo_pool_s*);
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typedef struct {
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alo_size_t offset;
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alo_size_t size;
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int index;
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} alo_block_t;
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alo_block_t aloPoolAllocate(struct alo_pool_s*, alo_size_t size, alo_size_t alignment);
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void aloPoolFree(struct alo_pool_s *pool, int index);
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// <- size ->
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// [.....|AAAAAAAAAAAAAAA|......]
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// ^ -- tail ^ -- head
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typedef struct {
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uint32_t size, head, tail;
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} alo_ring_t;
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#define ALO_ALLOC_FAILED 0xffffffffu
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// Marks the entire buffer as free
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void aloRingInit(alo_ring_t* ring, uint32_t size);
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// Allocates a new aligned region and returns offset to it (AllocFailed if allocation failed)
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uint32_t aloRingAlloc(alo_ring_t* ring, uint32_t size, uint32_t alignment);
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// Marks everything up-to-pos as free (expects up-to-pos to be valid)
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void aloRingFree(alo_ring_t* ring, uint32_t up_to_pos);
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