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authorDave Barach <dave@barachs.net>2018-10-18 15:37:49 -0400
committerDamjan Marion <dmarion@me.com>2018-10-19 07:06:07 +0000
commitbf3443b0f852f5a4c551d12f926defbd047f2161 (patch)
tree533966f8461d3c0af618435047f215a85e99aa87 /src/vppinfra
parentecbd20b6e9a2291908bb51a9b708a11eb86010b3 (diff)
Add pool_get_zero, pool_get_aligned_zero macros
Shorthand for the pattern: pool_get (<pool>, ep); memset (ep, 0, sizeof(*ep)); Should have done this years ago. Change-Id: Ideeb27a79ff4ca3e9a077c973b297671d1fa2d26 Signed-off-by: Dave Barach <dave@barachs.net>
Diffstat (limited to 'src/vppinfra')
-rw-r--r--src/vppinfra/pool.h14
1 files changed, 13 insertions, 1 deletions
diff --git a/src/vppinfra/pool.h b/src/vppinfra/pool.h
index 692702247ea..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); \
@@ -222,11 +222,22 @@ do { \
/* align */ (A)); \
E = vec_end (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. */