C++ (Cpp) udev_device_get_is_initialized示例

示例#1

文件： dhcp-identifier.c 项目： gunchleoc/NetworkManager

int dhcp_identifier_set_iaid(int ifindex, uint8_t *mac, size_t mac_len, void *_id) {
#if 0 /* NM_IGNORED */
        /* name is a pointer to memory in the udev_device struct, so must
           have the same scope */
        _cleanup_udev_device_unref_ struct udev_device *device = NULL;
#else /* NM_IGNORED */
        char name_buf[IF_NAMESIZE];
#endif /* NM_IGNORED */
        const char *name = NULL;
        uint64_t id;

#if 0 /* NM_IGNORED */
        if (detect_container() <= 0) {
                /* not in a container, udev will be around */
                _cleanup_udev_unref_ struct udev *udev;
                char ifindex_str[2 + DECIMAL_STR_MAX(int)];

                udev = udev_new();
                if (!udev)
                        return -ENOMEM;

                sprintf(ifindex_str, "n%d", ifindex);
                device = udev_device_new_from_device_id(udev, ifindex_str);
                if (device) {
                        if (udev_device_get_is_initialized(device) <= 0)
                                /* not yet ready */
                                return -EBUSY;

                        name = net_get_name(device);
                }
        }

示例#2

文件： udev.c 项目： bluemutedwisdom/dhcpcd-6.7.1

static int
udev_initialized(const char *ifname)
{
	struct udev_device *device;
	int r;

	device = udev_device_new_from_subsystem_sysname(udev, "net", ifname);
	if (device) {
#ifndef LIBUDEV_NOINIT
		r = udev_device_get_is_initialized(device);
#else
		r = 1;
#endif
		udev_device_unref(device);
	} else
		r = 0;
	return r;
}