fix missed fd_set

src/lib/ebus/transport.cpp

@@ -176,6 +176,7 @@ result_t FileTransport::read(unsigned int timeout, const uint8_t** data, size_t*
     FD_ZERO(&readfds);
     FD_ZERO(&exceptfds);
     FD_SET(m_fd, &readfds);
+    FD_SET(m_fd, &exceptfds);
 
     ret = pselect(m_fd + 1, &readfds, nullptr, &exceptfds, &tdiff, nullptr);
     if (ret >= 1 && FD_ISSET(m_fd, &exceptfds)) {

src/lib/utils/tcpsocket.cpp

@@ -160,6 +160,8 @@ int tcpKeepAliveInterval) {
       FD_ZERO(&writefds);
       FD_ZERO(&exceptfds);
       FD_SET(sfd, &readfds);
+      FD_SET(sfd, &writefds);
+      FD_SET(sfd, &exceptfds);
 #ifdef HAVE_PSELECT
       ret = pselect(sfd + 1, &readfds, &writefds, &exceptfds, &tdiff, nullptr);
 #else