folly::RWSpinLock::UpgradedHolder Class Reference

#include <RWSpinLock.h>

Public Member Functions
	UpgradedHolder (RWSpinLock *lock)
	UpgradedHolder (RWSpinLock &lock)
	UpgradedHolder (WriteHolder &&writer)
	UpgradedHolder (UpgradedHolder &&other) noexcept
UpgradedHolder &	operator= (UpgradedHolder &&other)
	UpgradedHolder (const UpgradedHolder &other)=delete
UpgradedHolder &	operator= (const UpgradedHolder &other)=delete
	~UpgradedHolder ()
void	reset (RWSpinLock *lock=nullptr)
void	swap (UpgradedHolder *other)

Private Attributes
RWSpinLock *	lock_

Friends
class	WriteHolder
class	ReadHolder

Detailed Description

Definition at line 383 of file RWSpinLock.h.

Constructor & Destructor Documentation

folly::RWSpinLock::UpgradedHolder::UpgradedHolder ( RWSpinLock *  lock )

inlineexplicit

Definition at line 385 of file RWSpinLock.h.

References folly::RWSpinLock::ReadHolder::lock_, and folly::RWSpinLock::lock_upgrade().

                                              : lock_(lock) {
      if (lock_) {
        lock_->lock_upgrade();
      }
    }

folly::RWSpinLock::UpgradedHolder::UpgradedHolder ( RWSpinLock &  lock )

inlineexplicit

Definition at line 391 of file RWSpinLock.h.

References folly::RWSpinLock::ReadHolder::lock_, and folly::RWSpinLock::lock_upgrade().

                                              : lock_(&lock) {
      lock_->lock_upgrade();
    }

folly::RWSpinLock::UpgradedHolder::UpgradedHolder ( WriteHolder &&  writer )

inlineexplicit

Definition at line 395 of file RWSpinLock.h.

References folly::RWSpinLock::ReadHolder::lock_, and folly::RWSpinLock::unlock_and_lock_upgrade().

                                                  {
      lock_ = writer.lock_;
      writer.lock_ = nullptr;
      if (lock_) {
        lock_->unlock_and_lock_upgrade();
      }
    }

folly::RWSpinLock::UpgradedHolder::UpgradedHolder ( UpgradedHolder &&  other )

inlinenoexcept

Definition at line 403 of file RWSpinLock.h.

                                                    : lock_(other.lock_) {
      other.lock_ = nullptr;
    }

folly::RWSpinLock::UpgradedHolder::UpgradedHolder ( const UpgradedHolder &  other )

delete

folly::RWSpinLock::UpgradedHolder::~UpgradedHolder ( )

inline

Definition at line 416 of file RWSpinLock.h.

References folly::RWSpinLock::ReadHolder::lock_, and folly::RWSpinLock::unlock_upgrade().

                      {
      if (lock_) {
        lock_->unlock_upgrade();
      }
    }

Member Function Documentation

UpgradedHolder& folly::RWSpinLock::UpgradedHolder::operator= ( UpgradedHolder &&  other )

inline

Definition at line 407 of file RWSpinLock.h.

References folly::RWSpinLock::ReadHolder::lock_, folly::RWSpinLock::ReadHolder::operator=(), folly::RWSpinLock::ReadHolder::swap(), folly::f14::swap(), and folly::RWSpinLock::ReadHolder::UpgradedHolder.

                                                      {
      using std::swap;
      swap(lock_, other.lock_);
      return *this;
    }

UpgradedHolder& folly::RWSpinLock::UpgradedHolder::operator= ( const UpgradedHolder &  other )

delete

void folly::RWSpinLock::UpgradedHolder::reset ( RWSpinLock *  lock = nullptr )

inline

Definition at line 422 of file RWSpinLock.h.

References folly::RWSpinLock::lock(), folly::RWSpinLock::ReadHolder::lock_, folly::RWSpinLock::lock_upgrade(), and folly::RWSpinLock::unlock_upgrade().

                                           {
      if (lock == lock_) {
        return;
      }
      if (lock_) {
        lock_->unlock_upgrade();
      }
      lock_ = lock;
      if (lock_) {
        lock_->lock_upgrade();
      }
    }

void folly::RWSpinLock::UpgradedHolder::swap ( UpgradedHolder *  other )

inline

Definition at line 435 of file RWSpinLock.h.

References folly::RWSpinLock::ReadHolder::lock_, lock_, folly::RWSpinLock::ReadHolder::swap(), and folly::f14::swap().

                                     {
      using std::swap;
      swap(lock_, other->lock_);
    }

Friends And Related Function Documentation

friend class ReadHolder

friend

Definition at line 442 of file RWSpinLock.h.

friend class WriteHolder

friend

Definition at line 441 of file RWSpinLock.h.

Member Data Documentation

RWSpinLock* folly::RWSpinLock::UpgradedHolder::lock_

private

Definition at line 443 of file RWSpinLock.h.

Referenced by swap().

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

• proxygen/folly/folly/synchronization/RWSpinLock.h