qbhdb.h File Reference

The handle database is for reference counting objects. More...

#include <stdlib.h>
#include <stdint.h>
#include <inttypes.h>
#include <qb/qbarray.h>

Include dependency graph for qbhdb.h:

Data Structures
struct	qb_hdb_handle
struct	qb_hdb

Macros
#define	_GNU_SOURCE
#define	QB_HDB_D_FORMAT   "%" PRIu64
#define	QB_HDB_X_FORMAT   "%" PRIx64
#define	QB_HDB_DECLARE(database_name, destructor_function)
	Convience macro for declaring a file scoped handle database. More...

Typedefs
typedef uint64_t	qb_handle_t
	Generic handle type is 64 bits. More...

Functions
void	qb_hdb_create (struct qb_hdb *hdb)
	Create a new database. More...
void	qb_hdb_destroy (struct qb_hdb *hdb)
	Destroy a handle database. More...
int32_t	qb_hdb_handle_create (struct qb_hdb *hdb, int32_t instance_size, qb_handle_t *handle_id_out)
	Create a new handle. More...
int32_t	qb_hdb_handle_get (struct qb_hdb *hdb, qb_handle_t handle_in, void **instance)
	Get the instance associated with this handle and increase it's refcount. More...
int32_t	qb_hdb_handle_get_always (struct qb_hdb *hdb, qb_handle_t handle_in, void **instance)
	Get the instance associated with this handle and increase it's refcount. More...
int32_t	qb_hdb_handle_put (struct qb_hdb *hdb, qb_handle_t handle_in)
	Put the instance associated with this handle and decrease it's refcount. More...
int32_t	qb_hdb_handle_destroy (struct qb_hdb *hdb, qb_handle_t handle_in)
	Request the destruction of the object. More...
int32_t	qb_hdb_handle_refcount_get (struct qb_hdb *hdb, qb_handle_t handle_in)
	Get the current refcount. More...
void	qb_hdb_iterator_reset (struct qb_hdb *hdb)
	Reset the iterator. More...
int32_t	qb_hdb_iterator_next (struct qb_hdb *hdb, void **instance, qb_handle_t *handle)
	Get the next object and increament it's refcount. More...
uint32_t	qb_hdb_base_convert (qb_handle_t handle)
uint64_t	qb_hdb_nocheck_convert (uint32_t handle)

Detailed Description

The handle database is for reference counting objects.

Macro Definition