migrate to upstream libcompose in one and a half go

vendor/github.com/opencontainers/runc/libcontainer/criu_opts.go

@@ -1,10 +1,25 @@
 package libcontainer
 
+// cgroup restoring strategy provided by criu
+type cg_mode uint32
+
+const (
+	CRIU_CG_MODE_SOFT    cg_mode = 3 + iota // restore cgroup properties if only dir created by criu
+	CRIU_CG_MODE_FULL                       // always restore all cgroups and their properties
+	CRIU_CG_MODE_STRICT                     // restore all, requiring them to not present in the system
+	CRIU_CG_MODE_DEFAULT                    // the same as CRIU_CG_MODE_SOFT
+)
+
 type CriuPageServerInfo struct {
 	Address string // IP address of CRIU page server
 	Port    int32  // port number of CRIU page server
 }
 
+type VethPairName struct {
+	ContainerInterfaceName string
+	HostInterfaceName      string
+}
+
 type CriuOpts struct {
 	ImagesDirectory         string             // directory for storing image files
 	WorkDirectory           string             // directory to cd and write logs/pidfiles/stats to
@@ -14,4 +29,6 @@ type CriuOpts struct {
 	ShellJob                bool               // allow to dump and restore shell jobs
 	FileLocks               bool               // handle file locks, for safety
 	PageServer              CriuPageServerInfo // allow to dump to criu page server
+	VethPairs               []VethPairName     // pass the veth to criu when restore
+	ManageCgroupsMode       cg_mode            // dump or restore cgroup mode
 }