[−][src]Struct futures_cpupool::Builder
Thread pool configuration object
Builder starts with a number of workers equal to the number
of CPUs on the host. But you can change it until you call create()
.
Methods
impl Builder
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pub fn new() -> Builder
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Create a builder a number of workers equal to the number of CPUs on the host.
pub fn pool_size(&mut self, size: usize) -> &mut Self
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Set size of a future CpuPool
The size of a thread pool is the number of worker threads spawned
pub fn stack_size(&mut self, stack_size: usize) -> &mut Self
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Set stack size of threads in the pool.
pub fn name_prefix<S: Into<String>>(&mut self, name_prefix: S) -> &mut Self
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Set thread name prefix of a future CpuPool
Thread name prefix is used for generating thread names. For example, if prefix is
my-pool-
, then threads in the pool will get names like my-pool-1
etc.
pub fn after_start<F>(&mut self, f: F) -> &mut Self where
F: Fn() + Send + Sync + 'static,
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F: Fn() + Send + Sync + 'static,
Execute function f
right after each thread is started but before
running any jobs on it.
This is initially intended for bookkeeping and monitoring uses.
The f
will be deconstructed after the builder
is deconstructed
and all threads in the pool has executed it.
pub fn before_stop<F>(&mut self, f: F) -> &mut Self where
F: Fn() + Send + Sync + 'static,
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F: Fn() + Send + Sync + 'static,
Execute function f
before each worker thread stops.
This is initially intended for bookkeeping and monitoring uses.
The f
will be deconstructed after the builder
is deconstructed
and all threads in the pool has executed it.
pub fn create(&mut self) -> CpuPool
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Trait Implementations
Auto Trait Implementations
impl Send for Builder
impl Unpin for Builder
impl Sync for Builder
impl !UnwindSafe for Builder
impl !RefUnwindSafe for Builder
Blanket Implementations
impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> From<T> for T
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,