int rc = 0;
static const struct option options[] = {
- { "environment", 0, NULL, 'e' },
- { "kernel", 0, NULL, 'k' },
- { "udev", 0, NULL, 'u' },
- { "help", 0, NULL, 'h' },
+ { "environment", no_argument, NULL, 'e' },
+ { "kernel", no_argument, NULL, 'k' },
+ { "udev", no_argument, NULL, 'u' },
+ { "help", no_argument, NULL, 'h' },
{}
};
" --env print the whole event environment\n"
" --kernel print kernel uevents\n"
" --udev print udev events\n"
- " --help print this help text\n\n");
+ " --help\n\n");
default:
goto out;
}
print_udev =1;
}
- if (getuid() != 0 && print_kernel) {
- fprintf(stderr, "root privileges needed to subscribe to kernel events\n");
- goto out;
- }
-
/* set signal handlers */
memset(&act, 0x00, sizeof(struct sigaction));
act.sa_handler = (void (*)(int)) sig_handler;
printf("monitor will print the received events for:\n");
if (print_udev) {
- udev_monitor = udev_monitor_new_from_socket(udev, "@/org/kernel/udev/monitor");
+ udev_monitor = udev_monitor_new_from_netlink(udev, "udev");
if (udev_monitor == NULL) {
rc = 1;
goto out;
rc = 2;
goto out;
}
- printf("UDEV the event which udev sends out after rule processing\n");
+ printf("UDEV - the event which udev sends out after rule processing\n");
}
if (print_kernel) {
- kernel_monitor = udev_monitor_new_from_netlink(udev);
+ kernel_monitor = udev_monitor_new_from_netlink(udev, "kernel");
if (kernel_monitor == NULL) {
+ fprintf(stderr, "unable to subscribe to kernel events\n");
rc = 3;
goto out;
}
rc = 4;
goto out;
}
- printf("UEVENT the kernel uevent\n");
+ printf("KERNEL - the kernel uevent\n");
}
printf("\n");
device = udev_monitor_receive_device(kernel_monitor);
if (device == NULL)
continue;
- print_device(device, "UEVENT", env);
+ print_device(device, "KERNEL", env);
udev_device_unref(device);
}