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37 * Memory management routines for temporary memory.
38 * That memory is used only during build phase and is released after
40 * Note, that tb_pool/tb_alloc() are not supposed to return NULL.
41 * Instead, in the case of failure to allocate memory,
42 * it would do siglongjmp(pool->fail).
43 * It is responsibility of the caller to save the proper context/environment,
44 * in the pool->fail before calling tb_alloc() for the given pool first time.
47 static struct tb_mem_block *
48 tb_pool(struct tb_mem_pool *pool, size_t sz)
50 struct tb_mem_block *block;
54 size = sz + pool->alignment - 1;
55 block = calloc(1, size + sizeof(*pool->block));
57 RTE_LOG(ERR, MALLOC, "%s(%zu)\n failed, currently allocated "
58 "by pool: %zu bytes\n", __func__, sz, pool->alloc);
59 siglongjmp(pool->fail, -ENOMEM);
65 block->next = pool->block;
70 ptr = (uint8_t *)(block + 1);
71 block->mem = RTE_PTR_ALIGN_CEIL(ptr, pool->alignment);
72 block->size = size - (block->mem - ptr);
78 tb_alloc(struct tb_mem_pool *pool, size_t size)
80 struct tb_mem_block *block;
84 size = RTE_ALIGN_CEIL(size, pool->alignment);
87 if (block == NULL || block->size < size) {
88 new_sz = (size > pool->min_alloc) ? size : pool->min_alloc;
89 block = tb_pool(pool, new_sz);
98 tb_free_pool(struct tb_mem_pool *pool)
100 struct tb_mem_block *next, *block;
102 for (block = pool->block; block != NULL; block = next) {