int fd;
int len;
+ /* false, if we are called directly */
+ if (!getenv("MANAGED_EVENT"))
+ goto exit;
+
fd = open("/proc/sys/kernel/hotplug", O_RDONLY);
if (fd < 0)
goto exit;
const char *devpath = getenv("DEVPATH");
const char *subsystem = argv[1];
- dbg("version %s", UDEV_VERSION);
+ if (argc == 2 && strcmp(argv[1], "-V") == 0) {
+ printf("%s\n", UDEV_VERSION);
+ exit(0);
+ }
+
logging_init("udev");
+ dbg("version %s", UDEV_VERSION);
+
udev_init_config();
/* set signal handlers */
act.sa_handler = (void (*) (int))sig_handler;
sigemptyset (&act.sa_mask);
act.sa_flags = 0;
- /* alarm must not restart syscalls*/
sigaction(SIGALRM, &act, NULL);
sigaction(SIGINT, &act, NULL);
sigaction(SIGTERM, &act, NULL);
- /* trigger timeout to interrupt blocking syscalls */
+ /* trigger timeout to prevent hanging processes */
alarm(ALARM_TIMEOUT);
+ action = getenv("ACTION");
+ devpath = getenv("DEVPATH");
+ subsystem = getenv("SUBSYSTEM");
+ /* older kernels passed the SUBSYSTEM only as argument */
+ if (!subsystem && argc == 2)
+ subsystem = argv[1];
udev_init_device(&udev, devpath, subsystem);
- if (strstr(argv[0], "udevstart") || (argv[1] != NULL && strstr(argv[1], "udevstart"))) {
+ if (strstr(argv[0], "udevstart") || (argc == 2 && strstr(argv[1], "udevstart"))) {
dbg("udevstart");
/* disable all logging, as it's much too slow on some facilities */