+void ShuttleThread::run()
+{
+ kDebug() << "------- STARTING SHUTTLE: " << m_device;
+ /* open file descriptor */
+ const int fd = KDE_open((char *) m_device.toUtf8().data(), O_RDONLY);
+ if (fd < 0) {
+ perror("Can't open Jog Shuttle FILE DESCRIPTOR");
+ return;
+ }
+
+ EV ev;
+
+ if (ioctl(fd, EVIOCGRAB, 1) < 0) {
+ fprintf(stderr, "Can't get exclusive access on Jog Shuttle FILE DESCRIPTOR\n");
+ close(fd);
+ return;
+ }
+
+ fd_set readset;
+ struct timeval timeout;
+
+ int num_warnings = 0, readResult = 0;
+ int result, iof = -1;
+
+ /* get fd settings */
+ if ((iof = fcntl(fd, F_GETFL, 0)) != -1) {
+ /* set fd non blocking */
+ fcntl(fd, F_SETFL, iof | O_NONBLOCK);
+ } else {
+ fprintf(stderr, "Can't set Jog Shuttle FILE DESCRIPTOR to O_NONBLOCK and stop thread\n");
+ return;
+ }
+
+ /* enter thread loop */
+ while (!stop_me) {
+ /* reset the read set */
+ FD_ZERO(&readset);
+ FD_SET(fd, &readset);
+
+ /* reinit the timeout structure */
+ timeout.tv_sec = 0;
+ timeout.tv_usec = 400000; /* 400 ms */
+
+ /* do select in blocked mode and wake up after timeout for eval stop_me */
+ result = select(fd+1, &readset, NULL, NULL, &timeout);
+
+ /* see if there was an error or timeout else process event */
+ if (result < 0 && errno == EINTR) {
+ /* EINTR event catched. This is not a problem - continue processing */
+ kDebug() << strerror(errno) << "\n";
+ /* continue processing */
+ continue;
+ } else if (result < 0) {
+ /* stop thread */
+ stop_me = true;
+ kDebug() << strerror(errno) << "\n";
+ } else if (result == 0) {
+ /* do nothing. reserved for future purposes */
+ } else {
+ /* we have input */
+ if (FD_ISSET(fd, &readset)) {
+ /* read input */
+ readResult = read(fd, &ev, sizeof(ev));
+ if (readResult < 0) {
+ if (num_warnings % 10000 == 0) {
+ /* if device is not available anymore - dead or disconnected */
+ fprintf(stderr, "Failed to read event from Jog Shuttle FILE DESCRIPTOR (repeated %d times)\n", num_warnings + 1);
+ }
+ /* exit if device is not available or the error occurs to long */
+ if (errno == ENODEV) {
+ perror("Failed to read from Jog Shuttle FILE DESCRIPTOR. Stop thread");
+ /* stop thread */
+ stop_me = true;
+ } else if (num_warnings > 1000000) {
+ perror("Failed to read from Jog Shuttle FILE DESCRIPTOR. Limit reached. Stop thread");
+ /* stop thread */
+ stop_me = true;
+ }
+ num_warnings++;
+ } else if (readResult == sizeof(ev)) {
+ /* process event */
+ handle_event(ev);
+ } else {
+ fprintf(stderr, "Read nr of bytes != sizeof(ev)\n");
+ }
+ }
+ }
+ }
+
+// kDebug() << "Close thread" << "\n";
+ /* close the handle and return thread */
+ close(fd);