diff options
Diffstat (limited to 'src/vppinfra')
| -rw-r--r-- | src/vppinfra/pool.h | 37 |
1 files changed, 18 insertions, 19 deletions
diff --git a/src/vppinfra/pool.h b/src/vppinfra/pool.h index 3b5a9007f4f..9dd05a382ab 100644 --- a/src/vppinfra/pool.h +++ b/src/vppinfra/pool.h @@ -162,27 +162,26 @@ pool_header_bytes (void *v) /** Local variable naming macro. */ #define _pool_var(v) _pool_##v -/** Queries whether pool has at least N_FREE free elements. */ -always_inline uword -pool_free_elts (void *v) -{ - pool_header_t *p = pool_header (v); - uword n_free = 0; +/** Number of bytes that can fit into pool with current allocation */ +#define pool_capacity(P) vec_capacity (P, pool_aligned_header_bytes) - if (v) - { - n_free += vec_len (p->free_indices); - - /* - * Space left at end of vector? - * Fixed-size pools have max_elts set non-zero, - */ - if (p->max_elts == 0) - n_free += vec_capacity (v, sizeof (p[0])) - vec_len (v); - } +/** Number of elements that can fit into pool with current allocation */ +#define pool_max_len(P) (pool_capacity (P) / sizeof (P[0])) - return n_free; -} +/** Number of free elements in pool */ +#define pool_free_elts(P) \ + ({ \ + pool_header_t *_pool_var (p) = pool_header (P); \ + uword n_free = 0; \ + if (P) \ + { \ + n_free += vec_len (_pool_var (p)->free_indices); \ + /* Fixed-size pools have max_elts set non-zero */ \ + if (_pool_var (p)->max_elts == 0) \ + n_free += pool_max_len (P) - vec_len (P); \ + } \ + n_free; \ + }) /** Allocate an object E from a pool P (general version). |