- if (write(STDOUT_FILENO, 0, 0) < 0)
- dup2(fd, STDOUT_FILENO);
- if (write(STDERR_FILENO, 0, 0) < 0)
- dup2(fd, STDERR_FILENO);
-
- /* udevadm control socket */
- if (sd_listen_fds(true) == 1 && sd_is_socket(SD_LISTEN_FDS_START, AF_LOCAL, SOCK_DGRAM, -1))
- udev_ctrl = udev_ctrl_new_from_fd(udev, SD_LISTEN_FDS_START);
- else
- udev_ctrl = udev_ctrl_new_from_socket(udev, UDEV_CTRL_SOCK_PATH);
- if (udev_ctrl == NULL) {
- fprintf(stderr, "error initializing udev control socket");
- err(udev, "error initializing udev control socket");
- rc = 1;
+
+ if (systemd_fds(udev, &fd_ctrl, &fd_netlink) >= 0) {
+ /* get control and netlink socket from from systemd */
+ udev_ctrl = udev_ctrl_new_from_fd(udev, fd_ctrl);
+ if (udev_ctrl == NULL) {
+ err(udev, "error taking over udev control socket");
+ rc = 1;
+ goto exit;
+ }
+
+ monitor = udev_monitor_new_from_netlink_fd(udev, "kernel", fd_netlink);
+ if (monitor == NULL) {
+ err(udev, "error taking over netlink socket\n");
+ rc = 3;
+ goto exit;
+ }
+ } else {
+ /* open control and netlink socket */
+ udev_ctrl = udev_ctrl_new(udev);
+ if (udev_ctrl == NULL) {
+ fprintf(stderr, "error initializing udev control socket");
+ err(udev, "error initializing udev control socket");
+ rc = 1;
+ goto exit;
+ }
+ fd_ctrl = udev_ctrl_get_fd(udev_ctrl);
+
+ monitor = udev_monitor_new_from_netlink(udev, "kernel");
+ if (monitor == NULL) {
+ fprintf(stderr, "error initializing netlink socket\n");
+ err(udev, "error initializing netlink socket\n");
+ rc = 3;
+ goto exit;
+ }
+ fd_netlink = udev_monitor_get_fd(monitor);
+ }
+
+ if (udev_monitor_enable_receiving(monitor) < 0) {
+ fprintf(stderr, "error binding netlink socket\n");
+ err(udev, "error binding netlink socket\n");
+ rc = 3;