DevinLeamy commented on code in PR #562:
URL: https://github.com/apache/mesos/pull/562#discussion_r1569352376
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src/linux/cgroups2.hpp:
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@@ -101,6 +101,41 @@ Try<std::set<pid_t>> threads(const std::string& cgroup);
// Get the absolute of a cgroup. The cgroup provided should not start with '/'.
std::string path(const std::string& cgroup);
+// Cgroup types.
+// "domain": Allows the cgroup to manage resources.
+//
+// "threaded": Allows threads to live in internal nodes but can only enable
+// the "cpu", "cpuset", "perf_event", and "pids" controllers.
+namespace type {
+
+// Domain cgroup.
+const std::string DOMAIN = "domain";
+
+// Threaded cgroup.
+const std::string THREADED = "threaded";
+
+// Domain cgroup that serves as the root of a threaded subtree.
+const std::string THREADED_DOMAIN = "domain threaded";
+
+// Cgroup in an invalid state. Can't be assigned processes or have controllers
+// enabled.
+const std::string INVALID = "domain invalid";
Review Comment:
Added for completeness; `cgroup.type` only has four possible values.
src: https://docs.kernel.org/admin-guide/cgroup-v2.html#core-interface-files
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