collaborative_once_flag

[algorithms.collaborative_call_once.collaborative_once_flag]

Special class that collaborative_call_once uses to perform a call only once.

// Defined in header <oneapi/tbb/collaborative_call_once.h>

namespace oneapi {
    namespace tbb {

        class collaborative_once_flag {
        public:
            collaborative_once_flag();
            collaborative_once_flag(const collaborative_once_flag&) = delete;
            collaborative_once_flag& operator=(const collaborative_once_flag&) = delete;
        };
    } // namespace tbb
} // namespace oneapi

Member functions

collaborative_once_flag()

Constructs an collaborative_once_flag object. The initial state indicates that no function has been called.