folly::hazptr_root< T, Atom > Class Template Reference

#include <Hazptr-fwd.h>

Public Member Functions
	hazptr_root (T *p=nullptr) noexcept
	~hazptr_root ()
const Atom< T * > &	operator() () const noexcept
Atom< T * > &	operator() () noexcept

Private Attributes
Atom< T * >	link_

Detailed Description

template<typename T, template< typename > class Atom>
class folly::hazptr_root< T, Atom >

Classes related to link counted objects and automatic retirement. Defined in HazptrLinked.hhazptr_root

hazptr_root

Link to counted objects. When destroyed unlinks the linked object if any.

Template parameter T must support a member function unlink(), inherited from hazptr_obj_base_linked.

Use example: Bucket heads in ConcurrentHashMap.

Definition at line 75 of file Hazptr-fwd.h.

Constructor & Destructor Documentation

template<typename T, template< typename > class Atom>

folly::hazptr_root< T, Atom >::hazptr_root ( T *  p = nullptr )

inlineexplicitnoexcept

Definition at line 48 of file HazptrObjLinked.h.

: link_(p) {}

template<typename T, template< typename > class Atom>

folly::hazptr_root< T, Atom >::~hazptr_root ( )

inline

Definition at line 50 of file HazptrObjLinked.h.

                 {
    auto p = link_.load(std::memory_order_relaxed);
    if (p) {
      p->unlink();
    }
  }

Member Function Documentation

template<typename T, template< typename > class Atom>

const Atom<T*>& folly::hazptr_root< T, Atom >::operator() ( ) const

inlinenoexcept

Definition at line 57 of file HazptrObjLinked.h.

                                              {
    return link_;
  }

template<typename T, template< typename > class Atom>

Atom<T*>& folly::hazptr_root< T, Atom >::operator() ( )

inlinenoexcept

Definition at line 61 of file HazptrObjLinked.h.

                                  {
    return link_;
  }

Member Data Documentation

template<typename T, template< typename > class Atom>

Atom<T*> folly::hazptr_root< T, Atom >::link_

private

Definition at line 45 of file HazptrObjLinked.h.

Referenced by folly::hazptr_root< Node, Atom >::operator()().

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

• proxygen/folly/folly/synchronization/Hazptr-fwd.h
• proxygen/folly/folly/synchronization/HazptrObjLinked.h