Standard library header <barrier> (C++20)
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This header is part of the thread support library.
Classes
[edit] Synopsis
namespace std { template<class CompletionFunction = /* see description */> class barrier; }
[edit] Class template std::barrier
namespace std { template<class CompletionFunction = /* see description */> class barrier { public: using arrival_token = /* see description */; static constexpr ptrdiff_t max() noexcept; constexpr explicit barrier(ptrdiff_t expected, CompletionFunction f = CompletionFunction()); ~barrier(); barrier(const barrier&) = delete; barrier& operator=(const barrier&) = delete; arrival_token arrive(ptrdiff_t update = 1); void wait(arrival_token&& arrival) const; void arrive_and_wait(); void arrive_and_drop(); private: CompletionFunction completion; // exposition only }; }