Function freeze

src/linux/cgroups.cpp:2916–2931

namespace freezer {

Future<Nothing> freeze(
    const string& hierarchy,
    const string& cgroup)
{
  LOG(INFO) << "Freezing cgroup " << path::join(hierarchy, cgroup);

  internal::Freezer* freezer = new internal::Freezer(hierarchy, cgroup);
  PID<internal::Freezer> pid = freezer->self();

  Future<Nothing> future = freezer->future();
  spawn(freezer, true);

  dispatch(pid, &internal::Freezer::freeze);

  return future;
}


Future<Nothing> thaw(