On Tue, 15 Oct 2024 11:33:38 +0200 Mattias Rönnblom <mattias.ronnb...@ericsson.com> wrote:
> +/** > + * Allocate space in the per-lcore id buffers for an lcore variable. > + * > + * The pointer returned is only an opaque identifier of the variable. To > + * get an actual pointer to a particular instance of the variable use > + * @ref RTE_LCORE_VAR or @ref RTE_LCORE_VAR_LCORE. > + * > + * The lcore variable values' memory is set to zero. > + * > + * The allocation is always successful, barring a fatal exhaustion of > + * the per-lcore id buffer space. > + * > + * rte_lcore_var_alloc() is not multi-thread safe. > + * > + * @param size > + * The size (in bytes) of the variable's per-lcore id value. Must be > 0. > + * @param align > + * If 0, the values will be suitably aligned for any kind of type > + * (i.e., alignof(max_align_t)). Otherwise, the values will be aligned > + * on a multiple of *align*, which must be a power of 2 and equal or > + * less than @c RTE_CACHE_LINE_SIZE. > + * @return > + * The variable's handle, stored in a void pointer value. The value > + * is always non-NULL. > + */ > +__rte_experimental > +void * > +rte_lcore_var_alloc(size_t size, size_t align); This should have the similar function attributes as rte_malloc now does where it tells the compiler the size, alignment, and aliasing. Also there should be mention that there is no free function.
