23 #ifndef DBUS_DATASLOT_H    24 #define DBUS_DATASLOT_H    26 #include <dbus/dbus-internals.h>    63 #define _DBUS_DATA_SLOT_ALLOCATOR_INIT(x) { NULL, 0, 0, x } DBusFreeFunction free_data_func
Free the application data. 
void(* DBusFreeFunction)(void *memory)
The type of a function which frees a block of memory. 
int n_allocated_slots
number of slots malloc'd 
#define DBUS_BEGIN_DECLS
Macro used prior to declaring functions in the D-Bus header files. 
An allocated slot for storing data. 
int n_used_slots
number of slots used 
dbus_uint32_t dbus_bool_t
A boolean, valid values are TRUE and FALSE. 
dbus_bool_t _dbus_data_slot_list_set(DBusDataSlotAllocator *allocator, DBusDataSlotList *list, int slot, void *data, DBusFreeFunction free_data_func, DBusFreeFunction *old_free_func, void **old_data)
Stores a pointer in the data slot list, along with an optional function to be used for freeing the da...
DBusDataSlot * slots
Data slots. 
void _dbus_data_slot_list_clear(DBusDataSlotList *list)
Frees all data slots contained in the list, calling application-provided free functions if they exist...
dbus_int32_t slot_id
ID of this slot. 
void * _dbus_data_slot_list_get(DBusDataSlotAllocator *allocator, DBusDataSlotList *list, int slot)
Retrieves data previously set with _dbus_data_slot_list_set_data(). 
void _dbus_data_slot_list_init(DBusDataSlotList *list)
Initializes a slot list. 
Data structure that stores the actual user data set at a given slot. 
An allocator that tracks a set of slot IDs. 
int refcount
Number of uses of the slot. 
int n_slots
Slots we have storage for in data_slots. 
void * data
The application data. 
dbus_bool_t _dbus_data_slot_allocator_init(DBusDataSlotAllocator *allocator, DBusGlobalLock lock)
Initializes a data slot allocator object, used to assign integer IDs for data slots. 
dbus_bool_t _dbus_data_slot_allocator_alloc(DBusDataSlotAllocator *allocator, dbus_int32_t *slot_id_p)
Allocates an integer ID to be used for storing data in a DBusDataSlotList. 
void _dbus_data_slot_allocator_free(DBusDataSlotAllocator *allocator, dbus_int32_t *slot_id_p)
Deallocates an ID previously allocated with _dbus_data_slot_allocator_alloc(). 
DBusAllocatedSlot * allocated_slots
Allocated slots. 
DBusDataSlot is used to store application data on the connection. 
DBusGlobalLock lock
index of thread lock 
void _dbus_data_slot_list_free(DBusDataSlotList *list)
Frees the data slot list and all data slots contained in it, calling application-provided free functi...
#define DBUS_END_DECLS
Macro used after declaring functions in the D-Bus header files.