Standard library header <rcu> (C++26)

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C++
Standard library headers

This header is part of the thread support library.

Classes

(C++26)
allows an object to be protected by RCU
(class template)
(C++26)
provides regions of RCU protection
(class)

Functions

(C++26)
returns a reference to a static-duration object of type std::rcu_domain
(function)
(C++26)
blocks until a protection region unlocks on a RCU domain
(function)
(C++26)
may evaluate scheduled operations on a RCU domain and blocks until all preceding evaluations are complete
(function)
(C++26)
schedules the evaluation of a specified function on a RCU domain, potentially allocating memory, and invoking scheduled evaluations
(function template)

Synopsis 

namespace std {
  template<class T, class D = default_delete<T>> class rcu_obj_base;
 
  class rcu_domain;
 
  rcu_domain& rcu_default_domain() noexcept;
  void rcu_synchronize(rcu_domain& dom = rcu_default_domain()) noexcept;
  void rcu_barrier(rcu_domain& dom = rcu_default_domain()) noexcept;
  template<class T, class D = default_delete<T>>
    void rcu_retire(T* p, D d = D(), rcu_domain& dom = rcu_default_domain());
}

Class template std::rcu_obj_base 

namespace std {
  template<class T, class D = default_delete<T>>
  class rcu_obj_base {
  public:
    void retire(D d = D(), rcu_domain& dom = rcu_default_domain()) noexcept;
  protected:
    rcu_obj_base() = default;
    rcu_obj_base(const rcu_obj_base&) = default;
    rcu_obj_base(rcu_obj_base&&) = default;
    rcu_obj_base& operator=(const rcu_obj_base&) = default;
    rcu_obj_base& operator=(rcu_obj_base&&) = default;
    ~rcu_obj_base() = default;
  private:
    D deleter;            // exposition only
  };
}

Class std::rcu_domain 

namespace std {
  class rcu_domain {
  public:
    rcu_domain(const rcu_domain&) = delete;
    rcu_domain& operator=(const rcu_domain&) = delete;
 
    void lock() noexcept;
    bool try_lock() noexcept;
    void unlock() noexcept;
  };
}
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