std::once_flag Struct Reference

Public Member Functions
constexpr	once_flag () noexcept=default
	once_flag (const once_flag &)=delete
once_flag &	operator= (const once_flag &)=delete

Friends
template<typename _Callable , typename... _Args>
void	call_once (once_flag &__once, _Callable &&__f, _Args &&... __args)

Detailed Description

Flag type used by std::call_once.

Definition at line 672 of file mutex.

Constructor & Destructor Documentation

once_flag() [1/2]

constexpr std::once_flag::once_flag ( )

constexprdefaultnoexcept

Constructor.

once_flag() [2/2]

std::once_flag::once_flag ( const once_flag &  )

delete

Deleted copy constructor.

Member Function Documentation

operator=()

once_flag& std::once_flag::operator= ( const once_flag &  )

delete

Deleted assignment operator.

Friends And Related Function Documentation

call_once

template<typename _Callable , typename... _Args>

void call_once ( once_flag &  __once, _Callable &&  __f, _Args &&...  __args  )

friend

Invoke a callable and synchronize with other calls using the same flag.

Definition at line 712 of file mutex.

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

• mutex