+ udev_monitor_set_receive_buffer_size(kernel_monitor, 128*1024*1024);
+ fd_kernel = udev_monitor_get_fd(kernel_monitor);
+
+ udev_list_entry_foreach(entry, udev_list_get_entry(&subsystem_match_list)) {
+ const char *subsys = udev_list_entry_get_name(entry);
+
+ if (udev_monitor_filter_add_match_subsystem_devtype(kernel_monitor, subsys, NULL) < 0)
+ fprintf(stderr, "error: unable to apply subsystem filter '%s'\n", subsys);
+ }
+
+ if (udev_monitor_enable_receiving(kernel_monitor) < 0) {
+ fprintf(stderr, "error: unable to subscribe to kernel events\n");
+ rc = 4;
+ goto out;
+ }
+
+ memset(&ep_kernel, 0, sizeof(struct epoll_event));
+ ep_kernel.events = EPOLLIN;
+ ep_kernel.data.fd = fd_kernel;
+ if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_kernel, &ep_kernel) < 0) {
+ err(udev, "fail to add fd to epoll: %m\n");
+ goto out;
+ }
+
+ printf("KERNEL - the kernel uevent\n");