46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
/*
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* This software is licensed under the terms of the MIT License.
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* See COPYING for further information.
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* ---
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* Copyright (c) 2011-2024, Lukas Weber <laochailan@web.de>.
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* Copyright (c) 2012-2024, Andrei Alexeyev <akari@taisei-project.org>.
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*/
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#include "mempool.h"
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void mempool_generic_init(
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MemPool *pool,
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MemArena *arena
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) {
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*pool = (MemPool) {
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.arena = arena,
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};
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}
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void *mempool_generic_acquire(MemPool *pool, size_t size, size_t align) {
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MemPoolObjectHeader *obj = pool->free_objects.as_generic;
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if(obj) {
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assert(pool->num_used < pool->num_allocated);
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pool->free_objects.as_generic = obj->next;
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} else {
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assert(pool->num_used == pool->num_allocated);
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obj = marena_alloc_aligned(pool->arena, size, align);
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++pool->num_allocated;
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}
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++pool->num_used;
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assert(pool->num_used <= pool->num_allocated);
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return obj;
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}
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void mempool_generic_release(MemPool *pool, void *object) {
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MemPoolObjectHeader *obj = object;
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obj->next = pool->free_objects.as_generic;
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pool->free_objects.as_generic = obj;
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--pool->num_used;
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assert(pool->num_used >= 0);
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assert(pool->num_used <= pool->num_allocated);
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}
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