Struct parking_lot::RawRwLock

[+] Show declaration

pub struct RawRwLock { /* fields omitted */ }

[−] Expand description

Raw reader-writer lock type backed by the parking lot.

Trait Implementations

impl RawRwLockTrait for RawRwLock

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const INIT: RawRwLock

INIT: RawRwLock = RawRwLock{state: ATOMIC_USIZE_INIT,}

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)

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

fn try_lock_exclusive(&self) -> bool

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Attempts to acquire an exclusive lock without blocking.

fn unlock_exclusive(&self)

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Releases an exclusive lock.

fn lock_shared(&self)

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

fn try_lock_shared(&self) -> bool

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Attempts to acquire a shared lock without blocking.

fn unlock_shared(&self)

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Releases a shared lock.

impl RawRwLockFair for RawRwLock

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fn unlock_shared_fair(&self)

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Releases a shared lock using a fair unlock protocol.

fn unlock_exclusive_fair(&self)

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Releases an exclusive lock using a fair unlock protocol.

fn bump_shared(&self)

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Temporarily yields a shared lock to a waiting thread if there is one.

fn bump_exclusive(&self)

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Temporarily yields an exclusive lock to a waiting thread if there is one.

impl RawRwLockDowngrade for RawRwLock

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fn downgrade(&self)

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

impl RawRwLockTimed for RawRwLock

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type Duration = Duration

Duration type used for try_lock_for.

type Instant = Instant

Instant type used for try_lock_until.

fn try_lock_shared_for(&self, timeout: Self::Duration) -> bool

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Attempts to acquire a shared lock until a timeout is reached.

fn try_lock_shared_until(&self, timeout: Self::Instant) -> bool

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Attempts to acquire a shared lock until a timeout is reached.

fn try_lock_exclusive_for(&self, timeout: Duration) -> bool

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Attempts to acquire an exclusive lock until a timeout is reached.

fn try_lock_exclusive_until(&self, timeout: Instant) -> bool

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Attempts to acquire an exclusive lock until a timeout is reached.

impl RawRwLockRecursive for RawRwLock

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fn lock_shared_recursive(&self)

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Acquires a shared lock without deadlocking in case of a recursive lock.

fn try_lock_shared_recursive(&self) -> bool

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Attempts to acquire a shared lock without deadlocking in case of a recursive lock.

impl RawRwLockRecursiveTimed for RawRwLock

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fn try_lock_shared_recursive_for(&self, timeout: Self::Duration) -> bool

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Attempts to acquire a shared lock until a timeout is reached, without deadlocking in case of a recursive lock.

fn try_lock_shared_recursive_until(&self, timeout: Self::Instant) -> bool

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Attempts to acquire a shared lock until a timeout is reached, without deadlocking in case of a recursive lock.

impl RawRwLockUpgrade for RawRwLock

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fn lock_upgradable(&self)

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

fn try_lock_upgradable(&self) -> bool

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Attempts to acquire an upgradable lock without blocking.

fn unlock_upgradable(&self)

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Releases an upgradable lock.

fn upgrade(&self)

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Upgrades an upgradable lock to an exclusive lock.

fn try_upgrade(&self) -> bool

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Attempts to upgrade an upgradable lock to an exclusive lock without blocking.

impl RawRwLockUpgradeFair for RawRwLock

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fn unlock_upgradable_fair(&self)

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Releases an upgradable lock using a fair unlock protocol.

fn bump_upgradable(&self)

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Temporarily yields an upgradable lock to a waiting thread if there is one.

impl RawRwLockUpgradeDowngrade for RawRwLock

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fn downgrade_upgradable(&self)

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Downgrades an upgradable lock to a shared lock.

fn downgrade_to_upgradable(&self)

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Downgrades an exclusive lock to an upgradable lock.

impl RawRwLockUpgradeTimed for RawRwLock

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fn try_lock_upgradable_until(&self, timeout: Instant) -> bool

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Attempts to acquire an upgradable lock until a timeout is reached.

fn try_lock_upgradable_for(&self, timeout: Duration) -> bool

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Attempts to acquire an upgradable lock until a timeout is reached.

fn try_upgrade_until(&self, timeout: Instant) -> bool

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Attempts to upgrade an upgradable lock to an exclusive lock until a timeout is reached.

fn try_upgrade_for(&self, timeout: Duration) -> bool

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Attempts to upgrade an upgradable lock to an exclusive lock until a timeout is reached.