This function specifically doesn't support Unix fds and is documented as
such.
Bug: https://bugs.freedesktop.org/show_bug.cgi?id=35182
Reviewed-by: Will Thompson <will.thompson@collabora.co.uk>
* @todo If this fails due to lack of memory, the message is hosed and
* you have to start over building the whole message.
*
- * For Unix file descriptors this function will internally duplicate
- * the descriptor you passed in. Hence you may close the descriptor
- * immediately after this call.
- *
* @param iter the append iterator
* @param element_type the type of the array elements
* @param value the address of the array