libstdc++
Collaboration diagram for Futures:

Classes

class  std::__basic_future< _Res >
 
struct  std::__future_base
 
struct  std::__future_base::_Result< _Res & >
 
struct  std::__future_base::_Result< void >
 
class  std::future< _Res >
 
class  std::future< _Res & >
 
class  std::future< void >
 
class  std::future_error
 
struct  std::is_error_code_enum< future_errc >
 
class  std::packaged_task< _Res(_ArgTypes...)>
 
class  std::promise< _Res >
 
class  std::promise< _Res & >
 
class  std::promise< void >
 
class  std::shared_future< _Res >
 
class  std::shared_future< _Res & >
 
class  std::shared_future< void >
 

Typedefs

template<typename _Fn , typename... _Args>
using std::__async_result_of = typename result_of< typename decay< _Fn >::type(typename decay< _Args >::type...)>::type
 

Enumerations

enum  std::future_errc { future_already_retrieved, promise_already_satisfied, no_state, broken_promise }
 
enum  std::future_status { ready, timeout, deferred }
 
enum  std::launch { async, deferred }
 

Functions

 std::__basic_future< _Res >::__basic_future (const shared_future< _Res > &) noexcept
 
 std::__basic_future< _Res >::__basic_future (shared_future< _Res > &&) noexcept
 
 std::__basic_future< _Res >::__basic_future (future< _Res > &&) noexcept
 
template<typename _Signature , typename _Fn , typename _Alloc >
static shared_ptr< __future_base::_Task_state_base< _Signature > > std::__create_task_state (_Fn &&__fn, const _Alloc &__a)
 
template<typename _BoundFn >
static std::shared_ptr< _State_base > std::__future_base::_S_make_async_state (_BoundFn &&__fn)
 
template<typename _BoundFn >
static std::shared_ptr< _State_base > std::__future_base::_S_make_deferred_state (_BoundFn &&__fn)
 
template<typename _Fn , typename... _Args>
future< __async_result_of< _Fn, _Args... > > std::async (launch __policy, _Fn &&__fn, _Args &&... __args)
 
template<typename _Fn , typename... _Args>
future< __async_result_of< _Fn, _Args... > > std::async (_Fn &&__fn, _Args &&... __args)
 
const error_category & std::future_category () noexcept
 
error_code std::make_error_code (future_errc __errc) noexcept
 
error_condition std::make_error_condition (future_errc __errc) noexcept
 
constexpr launch std::operator & (launch __x, launch __y)
 
launchstd::operator &= (launch &__x, launch __y)
 
constexpr launch std::operator^ (launch __x, launch __y)
 
launchstd::operator^= (launch &__x, launch __y)
 
constexpr launch std::operator| (launch __x, launch __y)
 
launchstd::operator|= (launch &__x, launch __y)
 
constexpr launch std::operator~ (launch __x)
 
shared_future< _Res > std::future< _Res >::share () noexcept
 
shared_future< void > std::future< void >::share () noexcept
 
template<typename _Res >
void std::swap (promise< _Res > &__x, promise< _Res > &__y) noexcept
 
template<typename _Res , typename... _ArgTypes>
void std::swap (packaged_task< _Res(_ArgTypes...)> &__x, packaged_task< _Res(_ArgTypes...)> &__y) noexcept
 

Detailed Description

Classes for futures support.

Enumeration Type Documentation

◆ future_errc

enum std::future_errc
strong

Error code for futures.

Definition at line 66 of file future.

◆ future_status

enum std::future_status
strong

Status code for futures.

Definition at line 174 of file future.

◆ launch

enum std::launch
strong

Launch code for futures.

Definition at line 137 of file future.

Function Documentation

◆ async() [1/2]

template<typename _Fn , typename... _Args>
future< __async_result_of< _Fn, _Args... > > std::async ( launch  __policy,
_Fn &&  __fn,
_Args &&...  __args 
)

async

Definition at line 1712 of file future.

◆ async() [2/2]

template<typename _Fn , typename... _Args>
future< __async_result_of< _Fn, _Args... > > std::async ( _Fn &&  __fn,
_Args &&...  __args 
)
inline

async, potential overload

Definition at line 1745 of file future.

◆ future_category()

const error_category& std::future_category ( )
noexcept

Points to a statically-allocated object derived from error_category.

Referenced by std::make_error_code(), and std::make_error_condition().

◆ make_error_code()

error_code std::make_error_code ( future_errc  __errc)
inlinenoexcept

Overload for make_error_code.

Definition at line 84 of file future.

References std::future_category().

◆ make_error_condition()

error_condition std::make_error_condition ( future_errc  __errc)
inlinenoexcept

Overload for make_error_condition.

Definition at line 89 of file future.

References std::future_category().

◆ swap()

template<typename _Res , typename... _ArgTypes>
void std::swap ( packaged_task< _Res(_ArgTypes...)> &  __x,
packaged_task< _Res(_ArgTypes...)> &  __y 
)
inlinenoexcept

swap

Definition at line 1579 of file future.

References std::call_once().

Referenced by std::shared_future< void >::shared_future().