parking_lot

Struct RawRwLock

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pub struct RawRwLock { /* private fields */ }
Expand description

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

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impl RawRwLock for RawRwLock

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const INIT: RawRwLock = _

Initial value for an unlocked RwLock.
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type GuardMarker = GuardNoSend

Marker type which determines whether a lock guard should be Send. Use one of the GuardSend or GuardNoSend helper types here.
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fn lock_exclusive(&self)

Acquires an exclusive lock, blocking the current thread until it is able to do so.
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fn try_lock_exclusive(&self) -> bool

Attempts to acquire an exclusive lock without blocking.
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unsafe fn unlock_exclusive(&self)

Releases an exclusive lock. Read more
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fn lock_shared(&self)

Acquires a shared lock, blocking the current thread until it is able to do so.
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fn try_lock_shared(&self) -> bool

Attempts to acquire a shared lock without blocking.
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unsafe fn unlock_shared(&self)

Releases a shared lock. Read more
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fn is_locked(&self) -> bool

Checks if this RwLock is currently locked in any way.
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fn is_locked_exclusive(&self) -> bool

Check if this RwLock is currently exclusively locked.
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impl RawRwLockDowngrade for RawRwLock

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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. Read more
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impl RawRwLockFair for RawRwLock

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unsafe fn unlock_shared_fair(&self)

Releases a shared lock using a fair unlock protocol. Read more
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unsafe fn unlock_exclusive_fair(&self)

Releases an exclusive lock using a fair unlock protocol. Read more
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unsafe fn bump_shared(&self)

Temporarily yields a shared lock to a waiting thread if there is one. Read more
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unsafe fn bump_exclusive(&self)

Temporarily yields an exclusive lock to a waiting thread if there is one. Read more
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impl RawRwLockRecursive for RawRwLock

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fn lock_shared_recursive(&self)

Acquires a shared lock without deadlocking in case of a recursive lock.
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fn try_lock_shared_recursive(&self) -> bool

Attempts to acquire a shared lock without deadlocking in case of a recursive lock.
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impl RawRwLockRecursiveTimed for RawRwLock

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

Attempts to acquire a shared lock until a timeout is reached, without deadlocking in case of a recursive lock.
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fn try_lock_shared_recursive_until(&self, timeout: Self::Instant) -> bool

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

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type Duration = Duration

Duration type used for try_lock_for.
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type Instant = Instant

Instant type used for try_lock_until.
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fn try_lock_shared_for(&self, timeout: Self::Duration) -> bool

Attempts to acquire a shared lock until a timeout is reached.
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fn try_lock_shared_until(&self, timeout: Self::Instant) -> bool

Attempts to acquire a shared lock until a timeout is reached.
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fn try_lock_exclusive_for(&self, timeout: Duration) -> bool

Attempts to acquire an exclusive lock until a timeout is reached.
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fn try_lock_exclusive_until(&self, timeout: Instant) -> bool

Attempts to acquire an exclusive lock until a timeout is reached.
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impl RawRwLockUpgrade for RawRwLock

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fn lock_upgradable(&self)

Acquires an upgradable lock, blocking the current thread until it is able to do so.
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fn try_lock_upgradable(&self) -> bool

Attempts to acquire an upgradable lock without blocking.
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unsafe fn unlock_upgradable(&self)

Releases an upgradable lock. Read more
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unsafe fn upgrade(&self)

Upgrades an upgradable lock to an exclusive lock. Read more
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unsafe fn try_upgrade(&self) -> bool

Attempts to upgrade an upgradable lock to an exclusive lock without blocking. Read more
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impl RawRwLockUpgradeDowngrade for RawRwLock

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unsafe fn downgrade_upgradable(&self)

Downgrades an upgradable lock to a shared lock. Read more
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unsafe fn downgrade_to_upgradable(&self)

Downgrades an exclusive lock to an upgradable lock. Read more
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impl RawRwLockUpgradeFair for RawRwLock

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unsafe fn unlock_upgradable_fair(&self)

Releases an upgradable lock using a fair unlock protocol. Read more
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unsafe fn bump_upgradable(&self)

Temporarily yields an upgradable lock to a waiting thread if there is one. Read more
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impl RawRwLockUpgradeTimed for RawRwLock

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

Attempts to acquire an upgradable lock until a timeout is reached.
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fn try_lock_upgradable_for(&self, timeout: Duration) -> bool

Attempts to acquire an upgradable lock until a timeout is reached.
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unsafe fn try_upgrade_until(&self, timeout: Instant) -> bool

Attempts to upgrade an upgradable lock to an exclusive lock until a timeout is reached. Read more
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unsafe fn try_upgrade_for(&self, timeout: Duration) -> bool

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

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.