1 files changed, 0 insertions, 135 deletions
diff --git a/test/util/cgroup_util.h b/test/util/cgroup_util.h
deleted file mode 100644
index ccc7219e3..000000000
--- a/test/util/cgroup_util.h
+++ /dev/null
@@ -1,135 +0,0 @@
-// Copyright 2021 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#ifndef GVISOR_TEST_UTIL_CGROUP_UTIL_H_
-#define GVISOR_TEST_UTIL_CGROUP_UTIL_H_
-
-#include <unistd.h>
-
-#include "absl/container/flat_hash_map.h"
-#include "absl/container/flat_hash_set.h"
-#include "absl/strings/string_view.h"
-#include "test/util/cleanup.h"
-#include "test/util/fs_util.h"
-#include "test/util/temp_path.h"
-
-namespace gvisor {
-namespace testing {
-
-// Cgroup represents a cgroup directory on a mounted cgroupfs.
-class Cgroup {
- public:
-  Cgroup(std::string_view path);
-
-  uint64_t id() const { return id_; }
-
-  // RecursivelyCreate creates cgroup specified by path, including all
-  // components leading up to path. Path should end inside a cgroupfs mount. If
-  // path already exists, RecursivelyCreate does nothing and silently succeeds.
-  static PosixErrorOr<Cgroup> RecursivelyCreate(std::string_view path);
-
-  // Creates a new cgroup at path. The parent directory must exist and be a
-  // cgroupfs directory.
-  static PosixErrorOr<Cgroup> Create(std::string_view path);
-
-  const std::string& Path() const { return cgroup_path_; }
-
-  // Creates a child cgroup under this cgroup with the given name.
-  PosixErrorOr<Cgroup> CreateChild(std::string_view name) const;
-
-  std::string Relpath(absl::string_view leaf) const {
-    return JoinPath(cgroup_path_, leaf);
-  }
-
-  // Returns the contents of a cgroup control file with the given name.
-  PosixErrorOr<std::string> ReadControlFile(absl::string_view name) const;
-
-  // Reads the contents of a cgroup control with the given name, and attempts
-  // to parse it as an integer.
-  PosixErrorOr<int64_t> ReadIntegerControlFile(absl::string_view name) const;
-
-  // Writes a string to a cgroup control file.
-  PosixError WriteControlFile(absl::string_view name,
-                              const std::string& value) const;
-
-  // Writes an integer value to a cgroup control file.
-  PosixError WriteIntegerControlFile(absl::string_view name,
-                                     int64_t value) const;
-
-  // Returns the thread ids of the leaders of thread groups managed by this
-  // cgroup.
-  PosixErrorOr<absl::flat_hash_set<pid_t>> Procs() const;
-
-  PosixErrorOr<absl::flat_hash_set<pid_t>> Tasks() const;
-
-  // ContainsCallingProcess checks whether the calling process is part of the
-  PosixError ContainsCallingProcess() const;
-
- private:
-  PosixErrorOr<absl::flat_hash_set<pid_t>> ParsePIDList(
-      absl::string_view data) const;
-
-  static int64_t next_id_;
-  int64_t id_;
-  const std::string cgroup_path_;
-};
-
-// Mounter is a utility for creating cgroupfs mounts. It automatically manages
-// the lifetime of created mounts.
-class Mounter {
- public:
-  Mounter(TempPath root) : root_(std::move(root)) {}
-
-  PosixErrorOr<Cgroup> MountCgroupfs(std::string mopts);
-
-  PosixError Unmount(const Cgroup& c);
-
-  void release(const Cgroup& c);
-
- private:
-  // The destruction order of these members avoids errors during cleanup. We
-  // first unmount (by executing the mounts_ cleanups), then delete the
-  // mountpoint subdirs, then delete the root.
-  TempPath root_;
-  absl::flat_hash_map<int64_t, TempPath> mountpoints_;
-  absl::flat_hash_map<int64_t, Cleanup> mounts_;
-};
-
-// Represents a line from /proc/cgroups.
-struct CgroupsEntry {
-  std::string subsys_name;
-  uint32_t hierarchy;
-  uint64_t num_cgroups;
-  bool enabled;
-};
-
-// Returns a parsed representation of /proc/cgroups.
-PosixErrorOr<absl::flat_hash_map<std::string, CgroupsEntry>>
-ProcCgroupsEntries();
-
-// Represents a line from /proc/<pid>/cgroup.
-struct PIDCgroupEntry {
-  uint32_t hierarchy;
-  std::string controllers;
-  std::string path;
-};
-
-// Returns a parsed representation of /proc/<pid>/cgroup.
-PosixErrorOr<absl::flat_hash_map<std::string, PIDCgroupEntry>>
-ProcPIDCgroupEntries(pid_t pid);
-
-}  // namespace testing
-}  // namespace gvisor
-
-#endif  // GVISOR_TEST_UTIL_CGROUP_UTIL_H_