Struct rama::graceful::WeakShutdownGuard
pub struct WeakShutdownGuard { /* private fields */ }
Expand description
A weak guard, linked to a Shutdown
struct,
is similar to a ShutdownGuard
but does not
prevent the Shutdown::shutdown
future from completing.
Implementations§
§impl WeakShutdownGuard
impl WeakShutdownGuard
pub async fn cancelled(&self)
pub async fn cancelled(&self)
Returns a Future that gets fulfilled when cancellation (shutdown) is requested and the delay (buffer) duration has been awaited on.
Use Self::shutdown_signal_triggered
in case you want to get
a future which is triggered immediately when the shutdown signal is received,
without waiting for the delay duration first.
The future will complete immediately if the token is already cancelled when this method is called.
§Cancel safety
This method is cancel safe.
§Panics
This method panics if the iternal mutex is poisoned while being used.
pub async fn shutdown_signal_triggered(&self)
pub async fn shutdown_signal_triggered(&self)
Returns a Future that gets fulfilled when cancellation (shutdown) is requested without awaiting the delay duration first, if one is set.
In case no delay has been configured for the parent Shutdown
,
this function will be equal in behaviour to Self::cancelled
.
Use Self::cancelled
in case you want to get
a future which is triggered when the shutdown signal is received
and thethe delay duration is awaited.
The future will complete immediately if the token is already cancelled when this method is called.
§Cancel safety
This method is cancel safe.
§Panics
This method panics if the iternal mutex is poisoned while being used.
pub async fn into_cancelled(self)
pub async fn into_cancelled(self)
Returns a Future that gets fulfilled when cancellation (shutdown) is requested.
In contrast to ShutdownGuard::cancelled
this method consumes the guard,
ensuring the guard is dropped once the future is fulfilled.
The future will complete immediately if the token is already cancelled when this method is called.
§Cancel safety
This method is cancel safe.
§Panics
This method panics if the iternal mutex is poisoned while being used.
pub fn upgrade(self) -> ShutdownGuard
pub fn upgrade(self) -> ShutdownGuard
Upgrades the weak guard to a ShutdownGuard
,
ensuring that the guard has to be dropped prior to
being able to complete the Shutdown::shutdown
future.
Trait Implementations§
§impl Clone for WeakShutdownGuard
impl Clone for WeakShutdownGuard
§fn clone(&self) -> WeakShutdownGuard
fn clone(&self) -> WeakShutdownGuard
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source
. Read more§impl Debug for WeakShutdownGuard
impl Debug for WeakShutdownGuard
§impl From<WeakShutdownGuard> for ShutdownGuard
impl From<WeakShutdownGuard> for ShutdownGuard
§fn from(weak_guard: WeakShutdownGuard) -> ShutdownGuard
fn from(weak_guard: WeakShutdownGuard) -> ShutdownGuard
Auto Trait Implementations§
impl Freeze for WeakShutdownGuard
impl RefUnwindSafe for WeakShutdownGuard
impl Send for WeakShutdownGuard
impl Sync for WeakShutdownGuard
impl Unpin for WeakShutdownGuard
impl UnwindSafe for WeakShutdownGuard
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