19 = select(m_fd_max + 1, &m_ready_fds,
nullptr,
nullptr,
nullptr);
25 auto unblock = FD_ISSET(m_unblock_fds[0], &m_ready_fds);
26 if(
static_cast<int>(unblock) != 0) {
28 [[maybe_unused]]
auto res
29 = read(m_unblock_fds[0], &dummy,
sizeof(dummy));