folly::coro::detail::ViaCoroutine::promise_type Class Reference

#include <ViaIfAsync.h>

Public Member Functions
	promise_type (folly::Executor *executor) noexcept
ViaCoroutine	get_return_object () noexcept
std::experimental::suspend_always	initial_suspend ()
auto	final_suspend ()
void	unhandled_exception () noexcept
void	return_void () noexcept
void	setContinuation (std::experimental::coroutine_handle<> continuation) noexcept

Private Attributes
folly::Executor *	executor_
std::experimental::coroutine_handle	continuation_

Detailed Description

Definition at line 36 of file ViaIfAsync.h.

Constructor & Destructor Documentation

folly::coro::detail::ViaCoroutine::promise_type::promise_type ( folly::Executor *  executor )

inlinenoexcept

Definition at line 38 of file ViaIfAsync.h.

: executor_(executor) {}

Member Function Documentation

auto folly::coro::detail::ViaCoroutine::promise_type::final_suspend ( )

inline

Definition at line 50 of file ViaIfAsync.h.

References folly::pushmi::__adl::noexcept().

                         {
      struct Awaiter {
        bool await_ready() noexcept {
          return false;
        }
        void await_suspend(
            std::experimental::coroutine_handle<promise_type> coro) noexcept {
          // Schedule resumption of the coroutine on the executor.
          auto& promise = coro.promise();
          promise.executor_->add(promise.continuation_);
        }
        void await_resume() noexcept {}
      };

      return Awaiter{};
    }

ViaCoroutine folly::coro::detail::ViaCoroutine::promise_type::get_return_object ( )

inlinenoexcept

Definition at line 40 of file ViaIfAsync.h.

                                              {
      return ViaCoroutine{
          std::experimental::coroutine_handle<promise_type>::from_promise(
              *this)};
    }

std::experimental::suspend_always folly::coro::detail::ViaCoroutine::promise_type::initial_suspend ( )

inline

Definition at line 46 of file ViaIfAsync.h.

                                                    {
      return {};
    }

void folly::coro::detail::ViaCoroutine::promise_type::return_void ( )

inlinenoexcept

Definition at line 71 of file ViaIfAsync.h.

{}

void folly::coro::detail::ViaCoroutine::promise_type::setContinuation ( std::experimental::coroutine_handle<>  continuation )

inlinenoexcept

Definition at line 73 of file ViaIfAsync.h.

References continuation_.

                                                                 {
      DCHECK(!continuation_);
      continuation_ = continuation;
    }

void folly::coro::detail::ViaCoroutine::promise_type::unhandled_exception ( )

inlinenoexcept

Definition at line 67 of file ViaIfAsync.h.

References folly::FATAL.

                                                     {
      LOG(FATAL) << "ViaCoroutine threw an unhandled exception";
    }

Member Data Documentation

std::experimental::coroutine_handle folly::coro::detail::ViaCoroutine::promise_type::continuation_

private

Definition at line 81 of file ViaIfAsync.h.

Referenced by setContinuation().

folly::Executor* folly::coro::detail::ViaCoroutine::promise_type::executor_

private

Definition at line 80 of file ViaIfAsync.h.

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The documentation for this class was generated from the following file:

• proxygen/folly/folly/experimental/coro/ViaIfAsync.h