std::atomic::fetch_max(3) C++ Standard Libary std::atomic::fetch_max(3) NAME std::atomic::fetch_max - std::atomic::fetch_max Synopsis member only of atomic<Integrala> specializations T fetch_max( T arg, std::memory_order order = (1) (since C++26) std::memory_order_seq_cst ) noexcept; T fetch_max( T arg, std::memory_order order = std::memory_order_seq_cst ) volatile (2) (since C++26) noexcept; member only of atomic<T*> partial specialization T* fetch_max( T* arg, std::memory_order order = (3) (since C++26) std::memory_order_seq_cst ) noexcept; T* fetch_max( T* arg, std::memory_order order = std::memory_order_seq_cst ) volatile (4) (since C++26) noexcept; Atomically replaces the current value with the result of std::max of the value and arg. That is, it performs atomic maximum operation. The operation is a read-modify-write operation. Memory is affected according to the value of order. 3,4) If the pointers point to different complete objects (or subobjects thereof), pointer comparison does not establish a strict weak ordering. It is deprecated if std::atomic<T>::is_always_lock_free is false and overload (2) or (4) participates in overload resolution. Parameters arg - the other argument of std::max order - memory order constraints to enforce Return value The value immediately preceding the effects of this function in the mod- ification order of *this. Notes Feature-test macro Value Std Feature __cpp_lib_atomic_min_max 202403L (C++26) Atomic minimum/maximum Example This section is incomplete Reason: no example Category: * Todo no example http://cppreference.com 2024.06.10 std::atomic::fetch_max(3)
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