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| author | Vsevolod Stakhov <vsevolod@highsecure.ru> | 2016-04-26 17:39:14 +0100 |
|---|---|---|
| committer | Vsevolod Stakhov <vsevolod@highsecure.ru> | 2016-04-26 17:39:14 +0100 |
| commit | 37f2f145165a1a89ee9838d1fd881e20145780e0 (patch) | |
| tree | 57fd1497502fd237e69c4608e4dcaab133264684 /src/libutil/ref.h | |
| parent | 7db64ece74622c7b5d079c0eb26118518a3dfd13 (diff) | |
| download | rspamd-37f2f145165a1a89ee9838d1fd881e20145780e0.tar.gz rspamd-37f2f145165a1a89ee9838d1fd881e20145780e0.zip | |
[Feature] Add simplier versions of refcounts
Now REF_RETAIN and REF_RELEASE cannot be used for
interprocess/interthreads refcounting. However, for a single process
their performance should slightly increased.
New REF_RETAIN_ATOMIC and REF_RELEASE_ATOMIC are implemented to replace
old semantics.
Diffstat (limited to 'src/libutil/ref.h')
| -rw-r--r-- | src/libutil/ref.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/libutil/ref.h b/src/libutil/ref.h index a70b9829b..1e2fc30b5 100644 --- a/src/libutil/ref.h +++ b/src/libutil/ref.h @@ -46,13 +46,13 @@ typedef struct ref_entry_s { } while (0) #ifdef HAVE_ATOMIC_BUILTINS -#define REF_RETAIN(obj) do { \ +#define REF_RETAIN_ATOMIC(obj) do { \ if ((obj) != NULL) { \ __atomic_add_fetch (&(obj)->ref.refcount, 1, __ATOMIC_RELEASE); \ } \ } while (0) -#define REF_RELEASE(obj) do { \ +#define REF_RELEASE_ATOMIC(obj) do { \ if ((obj) != NULL) { \ unsigned int _rc_priv = __atomic_sub_fetch (&(obj)->ref.refcount, 1, __ATOMIC_ACQ_REL); \ if (_rc_priv == 0 && (obj)->ref.dtor) { \ @@ -60,7 +60,12 @@ typedef struct ref_entry_s { } \ } \ } while (0) + #else +#define REF_RETAIN_ATOMIC REF_RETAIN +#define REF_RELEASE_ATOMIC REF_RELEASE_ATOMIC +#endif + #define REF_RETAIN(obj) do { \ if ((obj) != NULL) { \ (obj)->ref.refcount ++; \ @@ -74,6 +79,5 @@ typedef struct ref_entry_s { } \ } \ } while (0) -#endif #endif /* REF_H_ */ |