afc_client_free afc_client_new afc_client_start_service afc_client_t afc_dictionary_free afc_error_t afc_file_close afc_file_lock afc_file_mode_t afc_file_open afc_file_read afc_file_seek afc_file_tell afc_file_truncate afc_file_write afc_get_device_info afc_get_device_info_key afc_get_file_info afc_link_type_t afc_lock_op_t afc_make_directory afc_make_link afc_read_directory afc_remove_path afc_remove_path_and_contents afc_rename_path afc_set_file_time afc_truncate

afc_file_lock() afc_error_t afc_file_lock ( afc_client_t  client, uint64_t  handle, afc_lock_op_t  operation  ) Locks or unlocks a file on the device. Makes use of flock on the device. See also http://developer.apple.com/documentation/Darwin/Reference/ManPages/man2/flock.2.html Parameters client The client to lock the file with. handle File handle of a previously opened file. operation the lock or unlock operation to perform, this is one of AFC_LOCK_SH (shared lock), AFC_LOCK_EX (exclusive lock), or AFC_LOCK_UN (unlock).