Function ext_main_entry

kernel/integration/bf_callback_op_register_fail.cpp:241–267

    ///     microkernel speak the same ABI.
    ///
    extern "C" void
    ext_main_entry(bsl::uint32 const version) noexcept
    {
        bsl::safe_umx mut_hndl{};
        bf_status_t mut_ret{};

        if (bsl::unlikely(!bf_is_spec1_supported(bsl::to_u32(version)))) {
            bsl::error() << "integration test not supported\n" << bsl::here();
            return bf_control_op_exit();
        }

        mut_ret = bf_handle_op_open_handle_impl(BF_SPEC_ID1_VAL.get(), mut_hndl.data());
        integration::require(mut_ret == BF_STATUS_SUCCESS);

        // register nullptr
        mut_ret = bf_callback_op_register_fail_impl(mut_hndl.get(), nullptr);
        integration::require(mut_ret != BF_STATUS_SUCCESS);

        // register twice
        mut_ret = bf_callback_op_register_fail_impl(mut_hndl.get(), &fail_entry);
        integration::require(mut_ret == BF_STATUS_SUCCESS);
        mut_ret = bf_callback_op_register_fail_impl(mut_hndl.get(), &fail_entry);
        integration::require(mut_ret != BF_STATUS_SUCCESS);

        bsl::debug() << "success. remaining backtrace is expected\n" << bsl::here();
        return bf_control_op_exit();
    }
}