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Errors and cancellation

libsecret uses standard the standard GCancellable idiom to cancel operations.

It is not necessary to check whether the keyring daemon is available before using it. It is started automatically.

Errors are returned as standard GError in the usual way. There are fewer errors that are worth handling in an intelligent way, exceptions are in the SecretError enumeration. It is not recommended to display any GError message returned by libsecret to the user. Most of the possible errors are DBus communication problems or similar.

Replacements for related libgnome-keyring functions and types are described below:

Table 10. 

libgnome-keyring libsecret
gnome_keyring_cancel_request() g_cancellable_cancel() on a GCancellable passed to the relevant operation
gnome_keyring_is_available() no equivalent, the secret service is autostarted as necessary
gnome_keyring_result_to_message() use the message in the GError, although most failures are not appropriate for display to the user
GNOME_KEYRING_RESULT_OK no GError returned
GNOME_KEYRING_RESULT_DENIED no longer used, item or collection is simply not unlocked
GNOME_KEYRING_RESULT_NO_KEYRING_DAEMON G_DBUS_ERROR_SPAWN_SERVICE_NOT_FOUND
GNOME_KEYRING_RESULT_ALREADY_UNLOCKED no error, success returned
GNOME_KEYRING_RESULT_NO_SUCH_KEYRING keyrings no longer have names, accessing an missing DBus object has usual failure
GNOME_KEYRING_RESULT_BAD_ARGUMENTS G_DBUS_ERROR_INVALID_ARGS or precondition failure in libsecret, this is always a programmer error
GNOME_KEYRING_RESULT_IO_ERROR relevant DBus errors, or SECRET_ERROR_PROTOCOL
GNOME_KEYRING_RESULT_CANCELLED G_IO_ERROR_CANCELLED
GNOME_KEYRING_RESULT_KEYRING_ALREADY_EXISTS no error, simply returns already existing keyring
GNOME_KEYRING_RESULT_NO_MATCH on error, an empty list is returned
gnome_keyring_string_list_free() no equivalent


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