Function bindMountDeviceNode

libcontainer/rootfs_linux.go:975–985

(destDir *os.File, destName string, node *devices.Device)

}

func bindMountDeviceNode(destDir *os.File, destName string, node *devices.Device) error {
	dstFile, err := utils.Openat(destDir, destName, unix.O_CREAT|unix.O_NOFOLLOW|unix.O_CLOEXEC, 0o000)
	if err != nil {
		return fmt.Errorf("create device inode %s: %w", node.Path, err)
	}
	defer dstFile.Close()

	return utils.WithProcfdFile(dstFile, func(dstFd string) error {
		return mountViaFds(node.Path, nil, dstFile.Name(), dstFd, "bind", unix.MS_BIND, "")
	})
}

// Creates the device node in the rootfs of the container.
func createDeviceNode(rootFd *os.File, node *devices.Device, bind bool) error {