rpc: Add interface --freeze-cgroup option

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>

criu/cr-service.c

@@ -454,6 +454,9 @@ static int setup_opts_from_req(int sk, CriuOpts *req)
 		opts.manage_cgroups = mode;
 	}
 
+	if (req->freeze_cgroup)
+		opts.freeze_cgroup = req->freeze_cgroup;
+
 	if (req->cgroup_props)
 		opts.cgroup_props = req->cgroup_props;
 

images/rpc.proto

@@ -101,6 +101,8 @@ message criu_opts {
 	optional string			cgroup_props		= 41;
 	optional string			cgroup_props_file	= 42;
 	repeated string			cgroup_dump_controller	= 43;
+
+	optional string			freeze_cgroup		= 44;
 }
 
 message criu_dump_resp {

lib/c/criu.c

@@ -385,6 +385,16 @@ void criu_set_manage_cgroups_mode(enum criu_cg_mode mode)
 	criu_local_set_manage_cgroups_mode(global_opts, mode);
 }
 
+void criu_local_set_freeze_cgroup(criu_opts *opts, char *name)
+{
+	opts->rpc->freeze_cgroup = name;
+}
+
+void criu_set_freeze_cgroup(char *name)
+{
+	criu_local_set_freeze_cgroup(global_opts, name);
+}
+
 void criu_local_set_auto_ext_mnt(criu_opts *opts, bool val)
 {
 	opts->rpc->has_auto_ext_mnt = true;

lib/c/criu.h

@@ -78,6 +78,7 @@ void criu_set_cpu_cap(unsigned int cap);
 void criu_set_root(char *root);
 void criu_set_manage_cgroups(bool manage);
 void criu_set_manage_cgroups_mode(enum criu_cg_mode mode);
+void criu_set_freeze_cgroup(char *name);
 void criu_set_auto_ext_mnt(bool val);
 void criu_set_ext_sharing(bool val);
 void criu_set_ext_masters(bool val);
@@ -180,6 +181,7 @@ void criu_local_set_cpu_cap(criu_opts *opts, unsigned int cap);
 void criu_local_set_root(criu_opts *opts, char *root);
 void criu_local_set_manage_cgroups(criu_opts *opts, bool manage);
 void criu_local_set_manage_cgroups_mode(criu_opts *opts, enum criu_cg_mode mode);
+void criu_local_set_freeze_cgroup(criu_opts *opts, char *name);
 void criu_local_set_auto_ext_mnt(criu_opts *opts, bool val);
 void criu_local_set_ext_sharing(criu_opts *opts, bool val);
 void criu_local_set_ext_masters(criu_opts *opts, bool val);