Module: Ori

Defined in:
lib/ori/lazy.rb,
lib/ori.rb,
lib/ori/task.rb,
lib/ori/mutex.rb,
lib/ori/scope.rb,
lib/ori/select.rb,
lib/ori/tracer.rb,
lib/ori/channel.rb,
lib/ori/promise.rb,
lib/ori/timeout.rb,
lib/ori/version.rb,
lib/ori/semaphore.rb,
lib/ori/selectable.rb,
lib/ori/reentrant_semaphore.rb

Overview

typed: true

Defined Under Namespace

Modules: Select, Selectable Classes: CancellationError, Channel, Lazy, LazyArray, LazyEnumerable, LazyHash, LazyHashSet, Mutex, Promise, ReentrantSemaphore, Semaphore, Task, Timeout, Tracer

Constant Summary collapse

VERSION = 
"0.4.2"

Class Method Summary collapse

Class Method Details

.select(resources) ⇒ Object

sig do

type_parameters(:U)
  .params(resources: T::Array[T.all(T.type_parameter(:U), Ori::Selectable)])
  .returns(T.type_parameter(:U))

end : [U] (Array[U & Selectable] resources) -> U



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# File 'lib/ori.rb', line 62

def select(resources)
  Ori::Select.await(resources)
end

.sync(name: nil, cancel_after: nil, raise_after: nil, trace: false, &block) ⇒ Object

: (?name: String?, ?cancel_after: Numeric?, ?raise_after: Numeric?, ?trace: bool) { (Scope) -> void } -> Scope



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# File 'lib/ori.rb', line 22

def sync(name: nil, cancel_after: nil, raise_after: nil, trace: false, &block)
  deadline = cancel_after || raise_after
  prev_scheduler = Fiber.current_scheduler

  scope = Scope.new(
    prev_scheduler.is_a?(Scope) ? prev_scheduler : nil,
    name,
    deadline,
    trace,
  )

  Fiber.set_scheduler(scope)

  begin
    if Fiber.current.blocking?
      scope.fork { block.call(scope) }
    else
      yield(scope)
    end

    scope.await
    scope
  rescue CancellationError => error
    # Re-raise if:
    # 1. The error is from a different scope, or
    # 2. This is our error but it's from raise_after
    raise if error.scope != scope || !raise_after.nil?

    scope # Return the scope even when cancelled
  ensure
    Fiber.set_scheduler(prev_scheduler)
  end
end