Struct RawRwLock 

pub struct RawRwLock(RawRwLock);

Raw implementation for a [lock_api::RwLock].

This will delegate to parking_lot if the std feature is enabled (which it is by default). Otherwise, it will provide a !Sync implementation similar to RefCell.

Tuple Fields

0: RawRwLock

Implementations

impl RawRwLock

pub const fn new() -> Self

Constructs a new RawRwLock.

Trait Implementations

impl Debug for RawRwLock

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for RawRwLock

fn default() -> Self

Returns the “default value” for a type.

impl RawRwLock for RawRwLock

const INIT: RawRwLock

Initial value for an unlocked RwLock.

type GuardMarker = GuardNoSend

Marker type which determines whether a lock guard should be Send. Use one of the GuardSend or GuardNoSend helper types here.

fn lock_exclusive(&self)

Acquires an exclusive lock, blocking the current thread until it is able to do so.

fn try_lock_exclusive(&self) -> bool

Attempts to acquire an exclusive lock without blocking.

unsafe fn unlock_exclusive(&self)

Releases an exclusive lock.

fn lock_shared(&self)

Acquires a shared lock, blocking the current thread until it is able to do so.

fn try_lock_shared(&self) -> bool

Attempts to acquire a shared lock without blocking.

unsafe fn unlock_shared(&self)

Releases a shared lock.

fn is_locked(&self) -> bool

Checks if this RwLock is currently locked in any way.

fn is_locked_exclusive(&self) -> bool

Check if this RwLock is currently exclusively locked.

impl RawRwLockDowngrade for RawRwLock

unsafe fn downgrade(&self)

Atomically downgrades an exclusive lock into a shared lock without allowing any thread to take an exclusive lock in the meantime.