Function nix::mqueue::mq_setattr

pub fn mq_setattr(mqd: MQd, newattr: &MqAttr) -> Result<MqAttr>

Set the attributes of the message queue. Only O_NONBLOCK can be set, everything else will be ignored Returns the old attributes It is recommend to use the mq_set_nonblock() and mq_remove_nonblock() convenience functions as they are easier to use

Further reading