folly::coro::TaskWithExecutor< T >::Awaiter Class Reference

#include <Task.h>

Public Member Functions
	Awaiter (handle_t coro) noexcept
	~Awaiter ()
bool	await_ready () const
void	await_suspend (std::experimental::coroutine_handle<> continuation) noexcept
decltype(auto)	await_resume ()

Private Attributes
handle_t	coro_

Detailed Description

template<typename T>
class folly::coro::TaskWithExecutor< T >::Awaiter

Definition at line 196 of file Task.h.

Constructor & Destructor Documentation

template<typename T >

folly::coro::TaskWithExecutor< T >::Awaiter::Awaiter ( handle_t  coro )

inlineexplicitnoexcept

Definition at line 198 of file Task.h.

: coro_(coro) {}

template<typename T >

folly::coro::TaskWithExecutor< T >::Awaiter::~Awaiter ( )

inline

Definition at line 200 of file Task.h.

               {
      if (coro_) {
        coro_.destroy();
      }
    }

Member Function Documentation

template<typename T >

bool folly::coro::TaskWithExecutor< T >::Awaiter::await_ready ( ) const

inline

Definition at line 206 of file Task.h.

                             {
      return false;
    }

template<typename T >

decltype(auto) folly::coro::TaskWithExecutor< T >::Awaiter::await_resume ( )

inline

Definition at line 220 of file Task.h.

References destroy(), folly::exchange(), and SCOPE_EXIT.

                                  {
      // Eagerly destroy the coroutine-frame once we have retrieved the result.
      SCOPE_EXIT {
        std::exchange(coro_, {}).destroy();
      };
      return coro_.promise().getResult();
    }

template<typename T >

void folly::coro::TaskWithExecutor< T >::Awaiter::await_suspend ( std::experimental::coroutine_handle<>  continuation )

inlinenoexcept

Definition at line 210 of file Task.h.

                                                                 {
      auto& promise = coro_.promise();
      DCHECK(!promise.continuation_);
      DCHECK(promise.executor_ != nullptr);

      promise.continuation_ = continuation;
      promise.executor_->add(coro_);
    }

Member Data Documentation

template<typename T >

handle_t folly::coro::TaskWithExecutor< T >::Awaiter::coro_

private

Definition at line 229 of file Task.h.

---

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

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