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json: Inline clone and destroy functions.

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With the next commit reference counting of json objects will take
significant part of the CPU time for ovsdb-server.  Inlining them
to reduce the cost of a function call.

Acked-by: Mike Pattrick <mkp@redhat.com>
Acked-by: Dumitru Ceara <dceara@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
This commit is contained in:
Ilya Maximets
2021-11-22 01:09:31 +01:00
parent 19aa70168b
commit 9d29990c21
2 changed files with 45 additions and 34 deletions
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26
include/openvswitch/json.h
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@@ -110,9 +110,9 @@ double json_real(const struct json *);
int64_t json_integer(const struct json *);
struct json *json_deep_clone(const struct json *);
struct json *json_clone(const struct json *);
static inline struct json *json_clone(const struct json *);
struct json *json_nullable_clone(const struct json *);
void json_destroy(struct json *);
static inline void json_destroy(struct json *);
size_t json_hash(const struct json *, size_t basis);
bool json_equal(const struct json *, const struct json *);
@@ -146,6 +146,28 @@ void json_to_ds(const struct json *, int flags, struct ds *);
bool json_string_unescape(const char *in, size_t in_len, char **outp);
void json_string_escape(const char *in, struct ds *out);
/* Inline functions. */
/* Returns 'json', with the reference count incremented. */
static inline struct json *
json_clone(const struct json *json_)
{
struct json *json = CONST_CAST(struct json *, json_);
json->count++;
return json;
}
void json_destroy__(struct json *json);
/* Frees 'json' and everything it points to, recursively. */
static inline void
json_destroy(struct json *json)
{
if (json && !--json->count) {
json_destroy__(json);
}
}
#ifdef __cplusplus
}