Class ExitException

src/bthread/task_group.h:37–49

For exiting a bthread.

// For exiting a bthread.
class ExitException : public std::exception {
public:
    explicit ExitException(void* value) : _value(value) {}
    ~ExitException() throw() {}
    const char* what() const throw() override {
        return "ExitException";
    }
    void* value() const {
        return _value;
    }
private:
    void* _value;
};

// Refer to https://rigtorp.se/isatomic/, On the modern CPU microarchitectures
// (Skylake and Zen 2) AVX/AVX2 128b/256b aligned loads and stores are atomic