forked from AbleOS/ableos
52 lines
1 KiB
Rust
52 lines
1 KiB
Rust
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use core::fmt::Display;
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use alloc::collections::VecDeque;
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use kernel::proccess::PID;
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use crate::{arch::generate_process_pass, handle::Handle};
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#[derive(Debug)]
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pub struct ChannelPermission {
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pub owner: bool,
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pub producer: bool,
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pub consumer: bool,
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/// Whether or not the process can be destructive about reading
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pub distructive_consumer: bool,
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}
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#[derive(Debug)]
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pub struct Channel {
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inner: VecDeque<u8>,
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// TODO(able): change this to a hashmap i think
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permission_list: Vec<(PID, ChannelPermission)>,
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}
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impl Channel {
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pub fn new() -> Self {
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let deq = VecDeque::from([]);
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Self {
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inner: deq,
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permission_list: vec![],
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}
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}
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pub fn read(&mut self) -> Result<u8, ChannelError> {
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if let Some(abc) = self.inner.pop_front() {
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return Ok(abc);
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}
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return Err(ChannelError::EmptyBuffer);
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}
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pub fn send(&mut self, data: u8) {
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self.inner.push_back(data);
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}
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}
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pub enum ChannelError {
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EmptyBuffer,
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InvalidPermissions,
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}
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