diff options
Diffstat (limited to 'memcached.h')
| -rw-r--r-- | memcached.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/memcached.h b/memcached.h index 0517d4a..0594ab9 100644 --- a/memcached.h +++ b/memcached.h @@ -180,6 +180,11 @@ enum network_transport { udp_transport }; +enum item_lock_types { + ITEM_LOCK_GRANULAR = 0, + ITEM_LOCK_GLOBAL +}; + #define IS_UDP(x) (x == udp_transport) #define NREAD_ADD 1 @@ -352,6 +357,7 @@ typedef struct { struct thread_stats stats; /* Stats generated by this thread */ struct conn_queue *new_conn_queue; /* queue of new connections to handle */ cache_t *suffix_cache; /* suffix cache */ + uint8_t item_lock_type; /* use fine-grained or global item lock */ } LIBEVENT_THREAD; typedef struct { @@ -531,9 +537,13 @@ void item_stats_sizes(ADD_STAT add_stats, void *c); void item_unlink(item *it); void item_update(item *it); +void item_lock_global(void); +void item_unlock_global(void); void item_lock(uint32_t hv); -int item_trylock(uint32_t hv); +void *item_trylock(uint32_t hv); +void item_trylock_unlock(void *arg); void item_unlock(uint32_t hv); +void switch_item_lock_type(enum item_lock_types type); unsigned short refcount_incr(unsigned short *refcount); unsigned short refcount_decr(unsigned short *refcount); void STATS_LOCK(void); |