32 Concurrency support library [thread]

32.3 Stop tokens [thread.stoptoken]

32.3.5 Class stop_source [stopsource]

32.3.5.1 General [stopsource.general]

namespace std { class stop_source { public: // [stopsource.cons], constructors, copy, and assignment stop_source(); explicit stop_source(nostopstate_t) noexcept {} // [stopsource.mem], member functions void swap(stop_source&) noexcept; bool request_stop() noexcept; bool operator==(const stop_source& rhs) noexcept = default; private: shared_ptr<unspecified> stop-state; // exposition only }; }
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stop-state refers to the stop_source's associated stop state.
A stop_source object is disengaged when stop-state is empty.
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