ableos/ableos/src/channels.rs

use alloc::collections::VecDeque;

#[derive(Debug)]
pub struct ChannelPermission {
    pub owner: bool,
    pub producer: bool,

    pub consumer: bool,
    /// Whether or not the process can be destructive about reading
    pub distructive_consumer: bool,
}

#[derive(Debug)]
pub struct Channel {
    inner: VecDeque<u8>,
}

impl Channel {
    pub fn new() -> Self {
        let deq = VecDeque::from([]);

        Self { inner: deq }
    }

    pub fn read(&mut self) -> Result<u8, ChannelError> {
        if let Some(abc) = self.inner.pop_front() {
            return Ok(abc);
        }
        return Err(ChannelError::EmptyBuffer);
    }

    pub fn send(&mut self, data: u8) {
        self.inner.push_back(data);
    }
}

pub enum ChannelError {
    EmptyBuffer,
    InvalidPermissions,
}