Struct SpinLockIrqBackend 

pub struct SpinLockIrqBackend;

A kernel spinlock_t lock backend that can only be acquired in interrupt disabled contexts.

Trait Implementations

impl Backend for SpinLockIrqBackend

type State = spinlock

The state required by the lock.

type GuardState = ()

The state required to be kept between lock and unlock.

unsafe fn init( ptr: *mut Self::State, name: *const c_char, key: *mut lock_class_key, )

Initialises the lock.

unsafe fn lock(ptr: *mut Self::State) -> Self::GuardState

Acquires the lock, making the caller its owner.

unsafe fn unlock(ptr: *mut Self::State, _guard_state: &Self::GuardState)

Releases the lock, giving up its ownership.

unsafe fn try_lock(ptr: *mut Self::State) -> Option<Self::GuardState>

Tries to acquire the lock.

unsafe fn assert_is_held(ptr: *mut Self::State)

Asserts that the lock is held using lockdep.

unsafe fn relock(ptr: *mut Self::State, guard_state: &mut Self::GuardState)

Reacquires the lock, making the caller its owner.