Struct TimeSlice 

pub struct TimeSlice { /* private fields */ }

Time slice tracking for thread scheduling.

This tracks how much time a thread has used in its current time slice and determines when preemption should occur.

Implementations

impl TimeSlice

pub fn new(priority: u8) -> Self

Create a new time slice tracker.

Arguments

• priority - Thread priority (0-255, higher = more important)

pub fn start_slice(&self, current_time: Instant)

Start a new time slice.

Arguments

• current_time - Current system time

pub fn update_vruntime(&self, current_time: Instant) -> bool

Update virtual runtime based on actual runtime.

Arguments

• current_time - Current system time

Returns

true if the time slice has expired and preemption should occur.

pub fn vruntime(&self) -> u64

Get current virtual runtime.

pub fn set_priority(&self, new_priority: u8)

Set priority and recalculate quantum.

Arguments

• new_priority - New priority level (0-255)

pub fn set_custom_duration(&self, duration: Duration)

Set custom time slice duration.

Arguments

• duration - Custom duration for time slices

pub fn priority(&self) -> u8

Get current priority.

pub fn reset_vruntime(&self, new_vruntime: u64)

Reset virtual runtime (used for priority inheritance).

pub fn should_preempt(&self) -> bool

Check if this time slice should be preempted.

This is a convenience method that updates virtual runtime and returns whether preemption should occur.