91 lines
1.8 KiB
Rust
91 lines
1.8 KiB
Rust
//! # System module
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//!
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//! Module containing structs and methods pertaining to the state of the operating system
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use std::{cell::RefCell, rc::Rc};
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use crate::simulator::machine::Machine;
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use super::thread_manager::ThreadManager;
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/// This macro properly initializes the system
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#[macro_export]
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macro_rules! init_system {
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() => {{
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let m = Machine::init_machine();
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init_system!(m)
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}};
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($a:expr) => {{
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$crate::System::new($a)
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}};
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}
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/// # System
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///
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/// This structure represents the state of the threads running on the operating system.
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/// It contains references to the following:
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///
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/// - The simulated machine
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/// - The current running thread
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/// - The list of active threads
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/// - The thread to be destroyed next
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/// - The scheduler which acts upon these threads
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#[derive(PartialEq)]
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pub struct System {
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machine: Machine,
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thread_manager: ThreadManager
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}
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impl System {
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/// System constructor
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pub fn new(machine: Machine) -> System {
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Self {
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machine,
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thread_manager: ThreadManager::new()
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}
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}
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// GETTERS
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/// Returns the Machine
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///
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/// Useful to access RAM, devices, ...
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pub fn get_machine(&self) -> &Machine {
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&self.machine
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}
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pub fn get_thread_manager(&self) -> &ThreadManager {
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&self.thread_manager
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}
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// Setters
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/// Assign a machine to the system
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pub fn set_machine(&mut self, machine: Machine) {
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self.machine = machine
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}
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}
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#[derive(PartialEq, Debug)]
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pub enum ObjectType {
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SemaphoreType,
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LockType,
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ConditionType,
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FileType,
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ThreadType,
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InvalidType
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}
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#[cfg(test)]
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mod tests {
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use crate::{System, Machine};
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#[test]
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fn test_init_system() {
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init_system!();
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}
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} |