+int in_evdev_update_menu(void **data, int count)
+{
+ const int *fds = (const int *)data;
+ static int result = 0;
+ int i, ret, fdmax = -1;
+ int oldresult = result;
+ long flags;
+
+ /* switch to blocking mode */
+ for (i = 0; i < count; i++) {
+ if (fds[i] > fdmax) fdmax = fds[i];
+
+ flags = (long)fcntl(fds[i], F_GETFL);
+ if ((int)flags == -1) {
+ perror("in_evdev: F_GETFL fcntl failed");
+ continue;
+ }
+ flags &= ~O_NONBLOCK;
+ ret = fcntl(fds[i], F_SETFL, flags);
+ if (ret == -1)
+ perror("in_evdev: F_SETFL fcntl failed");
+ }
+
+ while (1)
+ {
+ struct input_event ev[64];
+ int fd, rd;
+ fd_set fdset;
+
+ FD_ZERO(&fdset);
+ for (i = 0; i < count; i++)
+ FD_SET(fds[i], &fdset);
+
+ ret = select(fdmax + 1, &fdset, NULL, NULL, NULL);
+ if (ret == -1)
+ {
+ perror("in_evdev: select failed");
+ sleep(1);
+ return 0;
+ }
+
+ for (i = 0; i < count; i++)
+ if (FD_ISSET(fds[i], &fdset))
+ fd = fds[i];
+
+ rd = read(fd, ev, sizeof(ev[0]) * 64);
+ if (rd < (int) sizeof(ev[0])) {
+ perror("in_evdev: error reading");
+ sleep(1);
+ return 0;
+ }
+
+ #define mapkey(o,k) \
+ case o: \
+ if (ev[i].value) result |= k; \
+ else result &= ~k; \
+ break
+ for (i = 0; i < rd / sizeof(ev[0]); i++)
+ {
+ if (ev[i].type != EV_KEY || ev[i].value < 0 || ev[i].value > 1)
+ continue;
+
+ switch (ev[i].code) {
+ /* keyboards */
+ mapkey(KEY_UP, PBTN_UP);
+ mapkey(KEY_DOWN, PBTN_DOWN);
+ mapkey(KEY_LEFT, PBTN_LEFT);
+ mapkey(KEY_RIGHT, PBTN_RIGHT);
+ mapkey(KEY_ENTER, PBTN_EAST);
+ mapkey(KEY_ESC, PBTN_SOUTH);
+ }
+ }
+ #undef mapkey
+
+ if (oldresult != result) break;
+ }
+
+ /* switch back to non-blocking mode */
+ for (i = 0; i < count; i++) {
+ if (fds[i] > fdmax) fdmax = fds[i];
+
+ flags = (long)fcntl(fds[i], F_GETFL);
+ if ((int)flags == -1) {
+ perror("in_evdev: F_GETFL fcntl failed");
+ continue;
+ }
+ flags |= O_NONBLOCK;
+ ret = fcntl(fds[i], F_SETFL, flags);
+ if (ret == -1)
+ perror("in_evdev: F_SETFL fcntl failed");
+ }
+
+ return result;
+}
+