Standard library header <hazard_pointer> (C++26)
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C++
Standard library headers
Dieser Header ist Teil der Thread-Unterstützungsbibliothek .
Klassen |
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(C++26)
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ermöglicht es einem Objekt, hazard-geschützt zu sein
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(C++26)
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Single-Writer-Multi-Reader-Zeiger, der zu jedem Zeitpunkt von höchstens einem Thread besessen werden kann
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Funktionen |
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(C++26)
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konstruiert einen Hazard Pointer
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(C++26)
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spezialisiert den
std::swap
Algorithmus
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Übersicht
namespace std { // hazard_pointer_obj_base template<class T, class D = default_delete<T>> class hazard_pointer_obj_base; // hazard_pointer class hazard_pointer; // make_hazard_pointer hazard_pointer make_hazard_pointer(); void swap(hazard_pointer&, hazard_pointer&) noexcept; }
Klassentemplate std::hazard_pointer_obj_base
namespace std { template<class T, class D = default_delete<T>> class hazard_pointer_obj_base { public: void retire(D d = D()) noexcept; protected: hazard_pointer_obj_base() = default; hazard_pointer_obj_base(const hazard_pointer_obj_base&) = default; hazard_pointer_obj_base(hazard_pointer_obj_base&&) = default; hazard_pointer_obj_base& operator=(const hazard_pointer_obj_base&) = default; hazard_pointer_obj_base& operator=(hazard_pointer_obj_base&&) = default; ~hazard_pointer_obj_base() = default; private: D deleter; // nur zur Veranschaulichung }; }
Klasse std::hazard_pointer
namespace std { class hazard_pointer { public: hazard_pointer() noexcept; hazard_pointer(hazard_pointer&&) noexcept; hazard_pointer& operator=(hazard_pointer&&) noexcept; ~hazard_pointer(); bool empty() const noexcept; template<class T> T* protect(const atomic<T*>& src) noexcept; template<class T> bool try_protect(T*& ptr, const atomic<T*>& src) noexcept; template<class T> void reset_protection(const T* ptr) noexcept; void reset_protection(nullptr_t = nullptr) noexcept; void swap(hazard_pointer&) noexcept; }; }