#include <vppinfra/bitmap.h>
#include <vppinfra/error.h>
-#include <vppinfra/mheap.h>
typedef struct
return 0;
}
+static_always_inline uword
+pool_get_first_index (void *pool)
+{
+ pool_header_t *h = pool_header (pool);
+ return clib_bitmap_first_clear (h->free_bitmap);
+}
+
+static_always_inline uword
+pool_get_next_index (void *pool, uword last)
+{
+ pool_header_t *h = pool_header (pool);
+ return clib_bitmap_next_clear (h->free_bitmap, last + 1);
+}
+
/** Free a pool. */
#define pool_free(p) (p) = _pool_free(p)
@c pool_foreach which builds a vector of active indices, and a
vec_foreach() (or plain for-loop) to walk the active index vector.
*/
-#define pool_foreach(VAR,POOL,BODY) \
-do { \
- uword _pool_foreach_lo, _pool_foreach_hi; \
- pool_foreach_region (_pool_foreach_lo, _pool_foreach_hi, (POOL), \
- ({ \
- for ((VAR) = (POOL) + _pool_foreach_lo; \
- (VAR) < (POOL) + _pool_foreach_hi; \
- (VAR)++) \
- do { BODY; } while (0); \
- })); \
-} while (0)
+
+#define pool_foreach(VAR,POOL) \
+ if (POOL) \
+ for (VAR = POOL + pool_get_first_index (POOL); \
+ VAR < vec_end (POOL); \
+ VAR = POOL + pool_get_next_index (POOL, VAR - POOL))
+
+#define pool_foreach_old(VAR,POOL,BODY) \
+ pool_foreach(VAR,POOL) \
+ { BODY; }
/** Returns pointer to element at given index.
_pool_var(rv); \
})
+#define pool_foreach_index(i,v) \
+ if (v) \
+ for (i = pool_get_first_index (v); \
+ i < vec_len (v); \
+ i = pool_get_next_index (v, i)) \
+
/** Iterate pool by index. */
-#define pool_foreach_index(i,v,body) \
- for ((i) = 0; (i) < vec_len (v); (i)++) \
- { \
- if (! pool_is_free_index ((v), (i))) \
- do { body; } while (0); \
- }
+#define pool_foreach_index_old(i,v,body) \
+ pool_foreach_index (i,v) \
+ { body; }
/**
* @brief Remove all elements from a pool in a safe way
{ \
uword *_pool_var(ii), *_pool_var(dv) = NULL; \
\
- pool_foreach((VAR), (POOL), \
- ({ \
+ pool_foreach((VAR), (POOL)) \
+ { \
vec_add1(_pool_var(dv), (VAR) - (POOL)); \
- })); \
+ } \
vec_foreach(_pool_var(ii), _pool_var(dv)) \
{ \
(VAR) = pool_elt_at_index((POOL), *_pool_var(ii)); \