GIFFIClosureCallback ()

void
(*GIFFIClosureCallback) (ffi_cif *Param1,
                         void *Param2,
                         void **Param3,
                         void *Param4);

TODO

gi_type_tag_get_ffi_type ()

ffi_type *
gi_type_tag_get_ffi_type (GITypeTag type_tag,
                          gboolean is_pointer);

TODO

gi_type_tag_extract_ffi_return_value ()

void
gi_type_tag_extract_ffi_return_value (GITypeTag return_tag,
                                      GIInfoType interface_type,
                                      GIFFIReturnValue *ffi_value,
                                      GIArgument *arg);

Extract the correct bits from an ffi_arg return value into GIArgument.

See: https://bugzilla.gnome.org/show_bug.cgi?id=665152

Also see ffi_call(3): the storage requirements for return values are "special".

The interface_type argument only applies if return_tag is GI_TYPE_TAG_INTERFACE. Otherwise it is ignored.

Since: 1.72

g_type_info_get_ffi_type ()

ffi_type *
g_type_info_get_ffi_type (GITypeInfo *info);

TODO

gi_type_info_extract_ffi_return_value ()

void
gi_type_info_extract_ffi_return_value (GITypeInfo *return_info,
                                       GIFFIReturnValue *ffi_value,
                                       GIArgument *arg);

Extract the correct bits from an ffi_arg return value into GIArgument.

See: https://bugzilla.gnome.org/show_bug.cgi?id=665152

Also see ffi_call(3): the storage requirements for return values are "special".

g_type_info_argument_from_hash_pointer ()

void
g_type_info_argument_from_hash_pointer
                               (GITypeInfo *info,
                                gpointer hash_pointer,
                                GIArgument *arg);

GLib data structures, such as GList, GSList, and GHashTable, all store data pointers. In the case where the list or hash table is storing single types rather than structs, these data pointers may have values stuffed into them via macros such as GPOINTER_TO_INT.

Use this function to ensure that all values are correctly extracted from stuffed pointers, regardless of the machine's architecture or endianness.

This function fills in the appropriate field of arg with the value extracted from hash_pointer , depending on the storage type of info .

Since: 1.66

g_type_info_get_storage_type ()

GITypeTag
g_type_info_get_storage_type (GITypeInfo *info);

Obtain the type tag corresponding to the underlying storage type in C for the type. See GITypeTag for a list of type tags.

Since: 1.66

g_type_info_hash_pointer_from_argument ()

gpointer
g_type_info_hash_pointer_from_argument
                               (GITypeInfo *info,
                                GIArgument *arg);

GLib data structures, such as GList, GSList, and GHashTable, all store data pointers. In the case where the list or hash table is storing single types rather than structs, these data pointers may have values stuffed into them via macros such as GPOINTER_TO_INT.

Use this function to ensure that all values are correctly stuffed into pointers, regardless of the machine's architecture or endianness.

This function returns a pointer stuffed with the appropriate field of arg , depending on the storage type of info .

Since: 1.66

g_function_info_prep_invoker ()

gboolean
g_function_info_prep_invoker (GIFunctionInfo *info,
                              GIFunctionInvoker *invoker,
                              GError **error);

Initialize the caller-allocated invoker structure with a cache of information needed to invoke the C function corresponding to info with the platform's default ABI.

A primary intent of this function is that a dynamic structure allocated by a language binding could contain a GIFunctionInvoker structure inside the binding's function mapping.

g_function_invoker_new_for_address ()

gboolean
g_function_invoker_new_for_address (gpointer addr,
                                    GICallableInfo *info,
                                    GIFunctionInvoker *invoker,
                                    GError **error);

Initialize the caller-allocated invoker structure with a cache of information needed to invoke the C function corresponding to info with the platform's default ABI.

A primary intent of this function is that a dynamic structure allocated by a language binding could contain a GIFunctionInvoker structure inside the binding's function mapping.

g_function_invoker_destroy ()

void
g_function_invoker_destroy (GIFunctionInvoker *invoker);

Release all resources allocated for the internals of invoker ; callers are responsible for freeing any resources allocated for the structure itself however.

g_callable_info_prepare_closure ()

ffi_closure *
g_callable_info_prepare_closure (GICallableInfo *callable_info,
                                 ffi_cif *cif,
                                 GIFFIClosureCallback callback,
                                 gpointer user_data);

Prepares a callback for ffi invocation.

g_callable_info_free_closure ()

void
g_callable_info_free_closure (GICallableInfo *callable_info,
                              ffi_closure *closure);

struct GIFunctionInvoker

struct GIFunctionInvoker {
  ffi_cif cif;
  gpointer native_address;
};

TODO

GIFFIReturnValue

typedef GIArgument GIFFIReturnValue;

TODO