diff options
| author |   Florin Coras <fcoras@cisco.com> | 2018-11-27 17:11:37 -0800 |
|---|---|---|
| committer |   Ole Trøan <otroan@employees.org> | 2018-11-29 08:43:00 +0000 |
| commit | 8be6c40cf39f0d637a9dbfaa40ccec1d72bff34a (patch) | |
| tree | b2ea554ac45e2c8a364cd0c702c8984f24cca434 /src/vppinfra | |
| parent | 330bf9387bc8c07547154a5092d4125da684e263 (diff) | |
vppinfra: add pool_dup macro
Change-Id: I192e340bd072d27bf6ddc382347ad5c3ca411bad
Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vppinfra')
| -rw-r--r-- | src/vppinfra/pool.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/vppinfra/pool.h b/src/vppinfra/pool.h index 75d4c95ce11..47bae07add0 100644 --- a/src/vppinfra/pool.h +++ b/src/vppinfra/pool.h @@ -340,6 +340,41 @@ do { \ /** Allocate N more free elements to pool (unspecified alignment). */ #define pool_alloc(P,N) pool_alloc_aligned(P,N,0) +/** + * Return copy of pool with alignment + * + * @param P pool to copy + * @param A alignment (may be zero) + * @return copy of pool + */ +#define pool_dup_aligned(P,A) \ +({ \ + typeof (P) _pool_var (new) = 0; \ + pool_header_t * _pool_var (ph), * _pool_var (new_ph); \ + u32 _pool_var (n) = pool_len (P); \ + _pool_var (new) = _vec_resize (_pool_var (new), _pool_var (n), \ + _pool_var (n) * sizeof ((P)[0]), \ + pool_aligned_header_bytes, (A)); \ + clib_memcpy_fast (_pool_var (new), (P), \ + _pool_var (n) * sizeof ((P)[0])); \ + _pool_var (ph) = pool_header (P); \ + _pool_var (new_ph) = pool_header (_pool_var (new)); \ + _pool_var (new_ph)->free_bitmap = \ + clib_bitmap_dup (_pool_var (ph)->free_bitmap); \ + _pool_var (new_ph)->free_indices = \ + vec_dup (_pool_var (ph)->free_indices); \ + _pool_var (new_ph)->max_elts = _pool_var (ph)->max_elts; \ + _pool_var (new); \ +}) + +/** + * Return copy of pool without alignment + * + * @param P pool to copy + * @return copy of pool + */ +#define pool_dup(P) pool_dup_aligned(P, 0) + /** Low-level free pool operator (do not call directly). */ always_inline void * _pool_free (void *v) |