folly::rcu_reader_domain< Tag > Class Template Reference

#include <Rcu.h>

Public Member Functions
FOLLY_ALWAYS_INLINE	rcu_reader_domain (rcu_domain< Tag > *domain=rcu_default_domain()) noexcept
	rcu_reader_domain (std::defer_lock_t, rcu_domain< Tag > *domain=rcu_default_domain()) noexcept
	rcu_reader_domain (const rcu_reader_domain &)=delete
	rcu_reader_domain (rcu_reader_domain &&other) noexcept
rcu_reader_domain &	operator= (const rcu_reader_domain &)=delete
rcu_reader_domain &	operator= (rcu_reader_domain &&other) noexcept
FOLLY_ALWAYS_INLINE	~rcu_reader_domain () noexcept
void	swap (rcu_reader_domain &other) noexcept
FOLLY_ALWAYS_INLINE void	lock () noexcept
FOLLY_ALWAYS_INLINE void	unlock () noexcept

Private Attributes
Optional< rcu_token >	epoch_
rcu_domain< Tag > *	domain_

Detailed Description

template<typename Tag = RcuTag>
class folly::rcu_reader_domain< Tag >

Definition at line 391 of file Rcu.h.

Constructor & Destructor Documentation

template<typename Tag = RcuTag>

FOLLY_ALWAYS_INLINE folly::rcu_reader_domain< Tag >::rcu_reader_domain ( rcu_domain< Tag > *  domain = rcu_default_domain() )

inlinenoexcept

Definition at line 393 of file Rcu.h.

      : epoch_(domain->lock_shared()), domain_(domain) {}

template<typename Tag = RcuTag>

folly::rcu_reader_domain< Tag >::rcu_reader_domain ( std::defer_lock_t  , rcu_domain< Tag > *  domain = rcu_default_domain()  )

inlinenoexcept

Definition at line 396 of file Rcu.h.

      : domain_(domain) {}

template<typename Tag = RcuTag>

folly::rcu_reader_domain< Tag >::rcu_reader_domain ( const rcu_reader_domain< Tag > &  )

delete

template<typename Tag = RcuTag>

folly::rcu_reader_domain< Tag >::rcu_reader_domain ( rcu_reader_domain< Tag > &&  other )

inlinenoexcept

Definition at line 401 of file Rcu.h.

References folly::rcu_token::operator=().

      : epoch_(std::move(other.epoch_)),
        domain_(std::exchange(other.domain_, nullptr)) {}

template<typename Tag = RcuTag>

FOLLY_ALWAYS_INLINE folly::rcu_reader_domain< Tag >::~rcu_reader_domain ( )

inlinenoexcept

Definition at line 414 of file Rcu.h.

References folly::rcu_token::epoch_, and folly::gen::move.

                                                    {
    if (epoch_.has_value()) {
      domain_->unlock_shared(std::move(epoch_.value()));
    }
  }

Member Function Documentation

template<typename Tag = RcuTag>

FOLLY_ALWAYS_INLINE void folly::rcu_reader_domain< Tag >::lock ( )

inlinenoexcept

Definition at line 425 of file Rcu.h.

References folly::rcu_token::epoch_.

                                           {
    DCHECK(!epoch_.has_value());
    epoch_ = domain_->lock_shared();
  }

template<typename Tag = RcuTag>

rcu_reader_domain& folly::rcu_reader_domain< Tag >::operator= ( const rcu_reader_domain< Tag > &  )

delete

template<typename Tag = RcuTag>

rcu_reader_domain& folly::rcu_reader_domain< Tag >::operator= ( rcu_reader_domain< Tag > &&  other )

inlinenoexcept

Definition at line 405 of file Rcu.h.

References folly::rcu_token::epoch_, and folly::gen::move.

                                                                   {
    if (epoch_.has_value()) {
      domain_->unlock_shared(std::move(epoch_.value()));
    }
    epoch_ = std::move(other.epoch_);
    domain_ = std::move(other.domain_);
    return *this;
  }

template<typename Tag = RcuTag>

void folly::rcu_reader_domain< Tag >::swap ( rcu_reader_domain< Tag > &  other )

inlinenoexcept

Definition at line 420 of file Rcu.h.

References folly::rcu_token::epoch_, and folly::swap().

                                               {
    std::swap(epoch_, other.epoch_);
    std::swap(domain_, other.domain_);
  }

template<typename Tag = RcuTag>

FOLLY_ALWAYS_INLINE void folly::rcu_reader_domain< Tag >::unlock ( )

inlinenoexcept

Definition at line 430 of file Rcu.h.

References folly::rcu_token::epoch_, and folly::gen::move.

                                             {
    DCHECK(epoch_.has_value());
    domain_->unlock_shared(std::move(epoch_.value()));
  }

Member Data Documentation

template<typename Tag = RcuTag>

rcu_domain<Tag>* folly::rcu_reader_domain< Tag >::domain_

private

Definition at line 437 of file Rcu.h.

template<typename Tag = RcuTag>

Optional<rcu_token> folly::rcu_reader_domain< Tag >::epoch_

private

Definition at line 436 of file Rcu.h.

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

• proxygen/folly/folly/synchronization/Rcu.h