diff options
Diffstat (limited to 'src/anydb.h')
| -rw-r--r-- | src/anydb.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/anydb.h b/src/anydb.h index 33f0447..abc8c4c 100644 --- a/src/anydb.h +++ b/src/anydb.h @@ -22,7 +22,14 @@ */ typedef uint32_t anydb_idx_t; +/* + * Definition of some predefined indexes + */ + +/** The invalid index */ #define AnyIdx_Invalid ((anydb_idx_t)0xffffffffu) + +/** */ #define AnyIdx_Any ((anydb_idx_t)0xfffffffeu) #define AnyIdx_Wide ((anydb_idx_t)0xfffffffdu) #define AnyIdx_None ((anydb_idx_t)0xfffffffcu) @@ -69,10 +76,19 @@ enum anydb_action }; typedef enum anydb_action anydb_action_t; +enum anydb_transaction +{ + Anydb_Transaction_Start = 0, + Anydb_Transaction_Commit = 1, + Anydb_Transaction_Cancel = 2 +}; +typedef enum anydb_transaction anydb_transaction_t; + struct anydb_itf { int (*index)(void *clodb, anydb_idx_t *idx, const char *name, bool create); const char *(*string)(void *clodb, anydb_idx_t idx); + int (*transaction)(void *clodb, anydb_transaction_t atomic_op); void (*apply)(void *clodb, anydb_action_t (*oper)(void *closure, const anydb_key_t *key, anydb_value_t *value), void *closure); int (*add)(void *clodb, const anydb_key_t *key, const anydb_value_t *value); void (*gc)(void *clodb); @@ -87,6 +103,13 @@ struct anydb }; typedef struct anydb anydb_t; +/** manage atomicity of operations */ +extern +int +anydb_transaction( + anydb_t *db, + anydb_transaction_t oper +); /** enumerate */ extern |