msg->u.ask_channel.overwrite = overwrite;
msg->u.ask_channel.switch_timer_interval = switch_timer_interval;
msg->u.ask_channel.read_timer_interval = read_timer_interval;
msg->u.ask_channel.overwrite = overwrite;
msg->u.ask_channel.switch_timer_interval = switch_timer_interval;
msg->u.ask_channel.read_timer_interval = read_timer_interval;