X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvppinfra%2Fpool.h;h=75d4c95ce11cdc20d6e2f44ac8a606e314ae7e05;hb=2152e1cf8b3420d94ba31fe25853977ad945f35a;hp=d1a2be9ddcde1822cdadef68c8810a45ca02b52b;hpb=0654dcc7b9370be6472f306d0a7b5ba9bf2b7962;p=vpp.git diff --git a/src/vppinfra/pool.h b/src/vppinfra/pool.h index d1a2be9ddcd..75d4c95ce11 100644 --- a/src/vppinfra/pool.h +++ b/src/vppinfra/pool.h @@ -185,7 +185,7 @@ pool_free_elts (void *v) First search free list. If nothing is free extend vector of objects. */ -#define pool_get_aligned(P,E,A) \ +#define _pool_get_aligned_internal(P,E,A,Z) \ do { \ pool_header_t * _pool_var (p) = pool_header (P); \ uword _pool_var (l); \ @@ -201,8 +201,9 @@ do { \ /* Return free element from free list. */ \ uword _pool_var (i) = _pool_var (p)->free_indices[_pool_var (l) - 1]; \ (E) = (P) + _pool_var (i); \ - clib_bitmap_set_no_check (_pool_var (p)->free_bitmap, \ - _pool_var (i), 0); \ + _pool_var (p)->free_bitmap = \ + clib_bitmap_andnoti_notrim (_pool_var (p)->free_bitmap, \ + _pool_var (i)); \ _vec_len (_pool_var (p)->free_indices) = _pool_var (l) - 1; \ } \ else \ @@ -220,13 +221,23 @@ do { \ pool_aligned_header_bytes, \ /* align */ (A)); \ E = vec_end (P) - 1; \ - pool_validate_index (P, vec_len(P)-1); \ } \ + if (Z) \ + memset(E, 0, sizeof(*E)); \ } while (0) +/** Allocate an object E from a pool P with alignment A */ +#define pool_get_aligned(P,E,A) _pool_get_aligned_internal(P,E,A,0) + +/** Allocate an object E from a pool P with alignment A and zero it */ +#define pool_get_aligned_zero(P,E,A) _pool_get_aligned_internal(P,E,A,1) + /** Allocate an object E from a pool P (unspecified alignment). */ #define pool_get(P,E) pool_get_aligned(P,E,0) +/** Allocate an object E from a pool P and zero it */ +#define pool_get_zero(P,E) pool_get_aligned_zero(P,E,0) + /** See if pool_get will expand the pool or not */ #define pool_get_aligned_will_expand(P,YESNO,A) \ do { \ @@ -257,6 +268,7 @@ do { \ } \ } while (0) +/** Tell the caller if pool get will expand the pool */ #define pool_get_will_expand(P,YESNO) pool_get_aligned_will_expand(P,YESNO,0) /** Use free bitmap to query whether given element is free. */ @@ -264,7 +276,7 @@ do { \ ({ \ pool_header_t * _pool_var (p) = pool_header (P); \ uword _pool_var (i) = (E) - (P); \ - (_pool_var (i) < vec_len (P)) ? clib_bitmap_get_no_check (_pool_var (p)->free_bitmap, _pool_i) : 1; \ + (_pool_var (i) < vec_len (P)) ? clib_bitmap_get (_pool_var (p)->free_bitmap, _pool_i) : 1; \ }) /** Use free bitmap to query whether given index is free */ @@ -279,8 +291,9 @@ do { \ ASSERT (! pool_is_free (P, E)); \ \ /* Add element to free bitmap and to free list. */ \ - clib_bitmap_set_no_check (_pool_var (p)->free_bitmap, \ - _pool_var (l), 1); \ + _pool_var (p)->free_bitmap = \ + clib_bitmap_ori_notrim (_pool_var (p)->free_bitmap, \ + _pool_var (l)); \ \ /* Preallocated pool? */ \ if (_pool_var (p)->max_elts) \ @@ -492,7 +505,7 @@ do { \ } /** - * @brief Remove all elemenets from a pool in a safe way + * @brief Remove all elements from a pool in a safe way * * @param VAR each element in the pool * @param POOL The pool to flush