Trait Guardian 

pub trait Guardian: Sealed {
    type Token;

    // Required methods
    fn enter() -> GuardianState<Self::Token>;
    fn exit(state: GuardianState<Self::Token>);
}

Determines how interrupts / preemption are handled while a SpinLock is held.

Required Associated Types

type Token

Token type that proves the CPU is in the right protection mode.

Required Methods

fn enter() -> GuardianState<Self::Token>

Enter the protected mode and return the token.

fn exit(state: GuardianState<Self::Token>)

Exit the protected mode, restoring the previous CPU state.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl Guardian for IrqDisabled

type Token = IrqDisabledToken

impl Guardian for PreemptDisabled

type Token = PreemptGuard