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std::barrier::barrier(3) C++ Standard Libary std::barrier::barrier(3) NAME std::barrier::barrier - std::barrier::barrier Synopsis constexpr explicit barrier( std::ptrdiff_t expected, (1) (since C++20) CompletionFunction f = CompletionFunction()); barrier( const barrier & ) = delete; (2) (since C++20) 1) Sets the both initial expected count for each phase and the cur- rent expected count for the first phase to expected, initializes the completion function object with std::move(f), and then starts the first phase. The behavior is undefined if expected is negative or greater than max(). 2) Copy constructor is deleted. barrier is neither copyable nor mov- able. Parameters expected - initial value of the expected count f - completion function object to be called on phase comple- tion step Exceptions 1) Any exception thrown by CompletionFunction's move constructor. Notes expected is permitted to be zero. However, calling any non-static member function other than the destructor on such barrier results in undefined be- havior. In other words, such barrier can only be destroyed. http://cppreference.com 2022.07.31 std::barrier::barrier(3)
NAME | Synopsis | Parameters | Exceptions | Notes
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