diff options
Diffstat (limited to 'sql/ha_blackhole.h')
| -rw-r--r-- | sql/ha_blackhole.h | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/sql/ha_blackhole.h b/sql/ha_blackhole.h index 4dcb37c637d..45ed0351457 100644 --- a/sql/ha_blackhole.h +++ b/sql/ha_blackhole.h @@ -17,6 +17,18 @@ #pragma interface /* gcc class implementation */ #endif + +/* + Shared structure for correct LOCK operation +*/ +struct st_blackhole_share { + THR_LOCK lock; + uint use_count; + uint table_name_length; + char table_name[1]; +}; + + /* Class definition for the blackhole storage engine "Dumbest named feature ever" @@ -24,7 +36,7 @@ class ha_blackhole: public handler { THR_LOCK_DATA lock; /* MySQL lock */ - THR_LOCK thr_lock; + st_blackhole_share *share; public: ha_blackhole(TABLE *table_arg); @@ -76,10 +88,12 @@ public: void position(const byte *record); int info(uint flag); int external_lock(THD *thd, int lock_type); - uint lock_count(void) const; int create(const char *name, TABLE *table_arg, HA_CREATE_INFO *create_info); THR_LOCK_DATA **store_lock(THD *thd, THR_LOCK_DATA **to, enum thr_lock_type lock_type); }; + +bool blackhole_db_init(void); +bool blackhole_db_end(void); |