Function ExceptionBoundary

library/cpp/openssl/method/io.cpp:18–24

    template<class T, class Callable, class... Args>
    T ExceptionBoundary(BIO* bio, Callable&& f, T err, Args&&... args) noexcept {
        try {
            return (IO(bio)->*f)(args...);
        } catch (...) {
            return err;
        }
    }

    int Write(BIO* bio, const char* data, int dlen) noexcept {
        return ExceptionBoundary(bio, &TAbstractIO::WriteOld, -1, data, dlen);