Struct gio::JoinHandle
source · pub struct JoinHandle<T> { /* private fields */ }Expand description
A handle to a task running on the I/O thread pool.
Like std::thread::JoinHandle for a blocking I/O task rather than a thread. The return value
from the task can be retrieved by awaiting on this handle. Dropping the handle “detaches” the
task, allowing it to complete but discarding the return value.
Trait Implementations§
source§impl<T: Debug> Debug for JoinHandle<T>
impl<T: Debug> Debug for JoinHandle<T>
source§impl<T> FusedFuture for JoinHandle<T>
impl<T> FusedFuture for JoinHandle<T>
source§fn is_terminated(&self) -> bool
fn is_terminated(&self) -> bool
Returns
true if the underlying future should no longer be polled.Auto Trait Implementations§
impl<T> !RefUnwindSafe for JoinHandle<T>
impl<T> Send for JoinHandle<T>where T: Send,
impl<T> Sync for JoinHandle<T>where T: Send,
impl<T> Unpin for JoinHandle<T>
impl<T> !UnwindSafe for JoinHandle<T>
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
§impl<T> FutureExt for Twhere
T: Future + ?Sized,
impl<T> FutureExt for Twhere T: Future + ?Sized,
§fn map<U, F>(self, f: F) -> Map<Self, F>where
F: FnOnce(Self::Output) -> U,
Self: Sized,
fn map<U, F>(self, f: F) -> Map<Self, F>where F: FnOnce(Self::Output) -> U, Self: Sized,
Map this future’s output to a different type, returning a new future of
the resulting type. Read more
§fn map_into<U>(self) -> MapInto<Self, U>where
Self::Output: Into<U>,
Self: Sized,
fn map_into<U>(self) -> MapInto<Self, U>where Self::Output: Into<U>, Self: Sized,
Map this future’s output to a different type, returning a new future of
the resulting type. Read more
§fn then<Fut, F>(self, f: F) -> Then<Self, Fut, F>where
F: FnOnce(Self::Output) -> Fut,
Fut: Future,
Self: Sized,
fn then<Fut, F>(self, f: F) -> Then<Self, Fut, F>where F: FnOnce(Self::Output) -> Fut, Fut: Future, Self: Sized,
Chain on a computation for when a future finished, passing the result of
the future to the provided closure
f. Read more§fn left_future<B>(self) -> Either<Self, B>where
B: Future<Output = Self::Output>,
Self: Sized,
fn left_future<B>(self) -> Either<Self, B>where B: Future<Output = Self::Output>, Self: Sized,
§fn right_future<A>(self) -> Either<A, Self>where
A: Future<Output = Self::Output>,
Self: Sized,
fn right_future<A>(self) -> Either<A, Self>where A: Future<Output = Self::Output>, Self: Sized,
§fn into_stream(self) -> IntoStream<Self>where
Self: Sized,
fn into_stream(self) -> IntoStream<Self>where Self: Sized,
Convert this future into a single element stream. Read more
§fn flatten(self) -> Flatten<Self>where
Self::Output: Future,
Self: Sized,
fn flatten(self) -> Flatten<Self>where Self::Output: Future, Self: Sized,
Flatten the execution of this future when the output of this
future is itself another future. Read more
§fn flatten_stream(self) -> FlattenStream<Self>where
Self::Output: Stream,
Self: Sized,
fn flatten_stream(self) -> FlattenStream<Self>where Self::Output: Stream, Self: Sized,
Flatten the execution of this future when the successful result of this
future is a stream. Read more
§fn fuse(self) -> Fuse<Self>where
Self: Sized,
fn fuse(self) -> Fuse<Self>where Self: Sized,
Fuse a future such that
poll will never again be called once it has
completed. This method can be used to turn any Future into a
FusedFuture. Read more§fn inspect<F>(self, f: F) -> Inspect<Self, F>where
F: FnOnce(&Self::Output),
Self: Sized,
fn inspect<F>(self, f: F) -> Inspect<Self, F>where F: FnOnce(&Self::Output), Self: Sized,
Do something with the output of a future before passing it on. Read more
§fn catch_unwind(self) -> CatchUnwind<Self>where
Self: Sized + UnwindSafe,
fn catch_unwind(self) -> CatchUnwind<Self>where Self: Sized + UnwindSafe,
Catches unwinding panics while polling the future. Read more
Create a cloneable handle to this future where all handles will resolve
to the same result. Read more
§fn remote_handle(self) -> (Remote<Self>, RemoteHandle<Self::Output>)where
Self: Sized,
fn remote_handle(self) -> (Remote<Self>, RemoteHandle<Self::Output>)where Self: Sized,
Turn this future into a future that yields
() on completion and sends
its output to another future on a separate task. Read more§fn boxed<'a>(
self
) -> Pin<Box<dyn Future<Output = Self::Output> + Send + 'a, Global>>where
Self: Sized + Send + 'a,
fn boxed<'a>( self ) -> Pin<Box<dyn Future<Output = Self::Output> + Send + 'a, Global>>where Self: Sized + Send + 'a,
Wrap the future in a Box, pinning it. Read more
§fn boxed_local<'a>(
self
) -> Pin<Box<dyn Future<Output = Self::Output> + 'a, Global>>where
Self: Sized + 'a,
fn boxed_local<'a>( self ) -> Pin<Box<dyn Future<Output = Self::Output> + 'a, Global>>where Self: Sized + 'a,
Wrap the future in a Box, pinning it. Read more
§fn unit_error(self) -> UnitError<Self>where
Self: Sized,
fn unit_error(self) -> UnitError<Self>where Self: Sized,
Turns a
Future<Output = T> into a
TryFuture<Ok = T, Error = ()>.§fn never_error(self) -> NeverError<Self>where
Self: Sized,
fn never_error(self) -> NeverError<Self>where Self: Sized,
Turns a
Future<Output = T> into a
TryFuture<Ok = T, Error = Never>.source§impl<F> IntoFuture for Fwhere
F: Future,
impl<F> IntoFuture for Fwhere F: Future,
§type IntoFuture = F
type IntoFuture = F
Which kind of future are we turning this into?
source§fn into_future(self) -> <F as IntoFuture>::IntoFuture
fn into_future(self) -> <F as IntoFuture>::IntoFuture
Creates a future from a value. Read more
§impl<Fut> TryFutureExt for Futwhere
Fut: TryFuture + ?Sized,
impl<Fut> TryFutureExt for Futwhere Fut: TryFuture + ?Sized,
§fn flatten_sink<Item>(self) -> FlattenSink<Self, Self::Ok>where
Self::Ok: Sink<Item, Error = Self::Error>,
Self: Sized,
fn flatten_sink<Item>(self) -> FlattenSink<Self, Self::Ok>where Self::Ok: Sink<Item, Error = Self::Error>, Self: Sized,
Flattens the execution of this future when the successful result of this
future is a [
Sink]. Read more§fn map_ok<T, F>(self, f: F) -> MapOk<Self, F>where
F: FnOnce(Self::Ok) -> T,
Self: Sized,
fn map_ok<T, F>(self, f: F) -> MapOk<Self, F>where F: FnOnce(Self::Ok) -> T, Self: Sized,
Maps this future’s success value to a different value. Read more
§fn map_ok_or_else<T, E, F>(self, e: E, f: F) -> MapOkOrElse<Self, F, E>where
F: FnOnce(Self::Ok) -> T,
E: FnOnce(Self::Error) -> T,
Self: Sized,
fn map_ok_or_else<T, E, F>(self, e: E, f: F) -> MapOkOrElse<Self, F, E>where F: FnOnce(Self::Ok) -> T, E: FnOnce(Self::Error) -> T, Self: Sized,
Maps this future’s success value to a different value, and permits for error handling resulting in the same type. Read more
§fn map_err<E, F>(self, f: F) -> MapErr<Self, F>where
F: FnOnce(Self::Error) -> E,
Self: Sized,
fn map_err<E, F>(self, f: F) -> MapErr<Self, F>where F: FnOnce(Self::Error) -> E, Self: Sized,
Maps this future’s error value to a different value. Read more
§fn and_then<Fut, F>(self, f: F) -> AndThen<Self, Fut, F>where
F: FnOnce(Self::Ok) -> Fut,
Fut: TryFuture<Error = Self::Error>,
Self: Sized,
fn and_then<Fut, F>(self, f: F) -> AndThen<Self, Fut, F>where F: FnOnce(Self::Ok) -> Fut, Fut: TryFuture<Error = Self::Error>, Self: Sized,
Executes another future after this one resolves successfully. The
success value is passed to a closure to create this subsequent future. Read more
§fn or_else<Fut, F>(self, f: F) -> OrElse<Self, Fut, F>where
F: FnOnce(Self::Error) -> Fut,
Fut: TryFuture<Ok = Self::Ok>,
Self: Sized,
fn or_else<Fut, F>(self, f: F) -> OrElse<Self, Fut, F>where F: FnOnce(Self::Error) -> Fut, Fut: TryFuture<Ok = Self::Ok>, Self: Sized,
Executes another future if this one resolves to an error. The
error value is passed to a closure to create this subsequent future. Read more
§fn inspect_ok<F>(self, f: F) -> InspectOk<Self, F>where
F: FnOnce(&Self::Ok),
Self: Sized,
fn inspect_ok<F>(self, f: F) -> InspectOk<Self, F>where F: FnOnce(&Self::Ok), Self: Sized,
Do something with the success value of a future before passing it on. Read more
§fn inspect_err<F>(self, f: F) -> InspectErr<Self, F>where
F: FnOnce(&Self::Error),
Self: Sized,
fn inspect_err<F>(self, f: F) -> InspectErr<Self, F>where F: FnOnce(&Self::Error), Self: Sized,
Do something with the error value of a future before passing it on. Read more
§fn try_flatten(self) -> TryFlatten<Self, Self::Ok>where
Self::Ok: TryFuture<Error = Self::Error>,
Self: Sized,
fn try_flatten(self) -> TryFlatten<Self, Self::Ok>where Self::Ok: TryFuture<Error = Self::Error>, Self: Sized,
Flatten the execution of this future when the successful result of this
future is another future. Read more
§fn try_flatten_stream(self) -> TryFlattenStream<Self>where
Self::Ok: TryStream<Error = Self::Error>,
Self: Sized,
fn try_flatten_stream(self) -> TryFlattenStream<Self>where Self::Ok: TryStream<Error = Self::Error>, Self: Sized,
Flatten the execution of this future when the successful result of this
future is a stream. Read more