C++ (Cpp) util_buf_use_ftr Examples

Example #1

File: util_buf.c Project: ParaStation/psmpi2

int util_buf_pool_create_ex(struct util_buf_pool **buf_pool,
			    size_t size, size_t alignment,
			    size_t max_cnt, size_t chunk_cnt,
			    util_buf_region_alloc_hndlr alloc_hndlr,
			    util_buf_region_free_hndlr free_hndlr,
			    void *pool_ctx)
{
	size_t entry_sz;

	(*buf_pool) = calloc(1, sizeof(**buf_pool));
	if (!*buf_pool)
		return -FI_ENOMEM;

	(*buf_pool)->alloc_hndlr = alloc_hndlr;
	(*buf_pool)->free_hndlr = free_hndlr;
	(*buf_pool)->data_sz = size;
	(*buf_pool)->alignment = alignment;
	(*buf_pool)->max_cnt = max_cnt;
	(*buf_pool)->chunk_cnt = chunk_cnt;
	(*buf_pool)->ctx = pool_ctx;

	entry_sz = util_buf_use_ftr(*buf_pool) ?
		(size + sizeof(struct util_buf_footer)) : size;
	(*buf_pool)->entry_sz = fi_get_aligned_sz(entry_sz, alignment);

	slist_init(&(*buf_pool)->buf_list);
	slist_init(&(*buf_pool)->region_list);

	if (util_buf_grow(*buf_pool)) {
		free(*buf_pool);
		return -FI_ENOMEM;
	}
	return FI_SUCCESS;
}

Example #2

File: util_buf.c Project: chuckfossen/libfabric-cray

struct util_buf_pool *util_buf_pool_create_ex(size_t size, size_t alignment,
					       size_t max_cnt, size_t chunk_cnt,
					       util_buf_region_alloc_hndlr alloc_hndlr,
					       util_buf_region_free_hndlr free_hndlr)
{
	size_t entry_sz;
	struct util_buf_pool *buf_pool;

	buf_pool = calloc(1, sizeof(*buf_pool));
	if (!buf_pool)
		return NULL;

	buf_pool->alloc_hndlr = alloc_hndlr;
	buf_pool->free_hndlr = free_hndlr;
	buf_pool->data_sz = size;
	buf_pool->alignment = alignment;
	buf_pool->max_cnt = max_cnt;
	buf_pool->chunk_cnt = chunk_cnt;

	entry_sz = util_buf_use_ftr(buf_pool) ?
		(size + sizeof(struct util_buf_footer)) : size;
	buf_pool->entry_sz = fi_get_aligned_sz(entry_sz, alignment);

	slist_init(&buf_pool->buf_list);
	slist_init(&buf_pool->region_list);

	if (util_buf_grow(buf_pool)) {
		free(buf_pool);
		return NULL;
	}
	return buf_pool;
}

Example #3

File: util_buf.c Project: ParaStation/psmpi2

static inline void util_buf_set_region(union util_buf *buf,
				       struct util_buf_region *region,
				       struct util_buf_pool *pool)
{
	struct util_buf_footer *buf_ftr;
	if (util_buf_use_ftr(pool)) {
		buf_ftr = (struct util_buf_footer *) ((char *) buf + pool->data_sz);
		buf_ftr->region = region;
	}
}