Method blocking_check_send

crates/test-programs/src/sockets.rs:218–227

(&self, timeout: &Pollable)

impl OutgoingDatagramStream {
    fn blocking_check_send(&self, timeout: &Pollable) -> Result<u64, ErrorCode> {
        let sub = self.subscribe();

        loop {
            match self.check_send() {
                Ok(0) => sub.block_until(timeout)?,
                result => return result,
            }
        }
    }

    pub fn blocking_send(&self, mut datagrams: &[OutgoingDatagram]) -> Result<(), ErrorCode> {
        let timeout = monotonic_clock::subscribe_duration(TIMEOUT_NS);