1 /* 2 * Copyright (C) 2019 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include <cstddef> 20 #include <cstdint> 21 #include <string> 22 23 // Minimal controller description 24 struct CgroupController { 25 public: 26 CgroupController() = default; 27 CgroupController(uint32_t version, uint32_t flags, const std::string& name, 28 const std::string& path, uint32_t max_activation_depth); 29 30 uint32_t version() const; 31 uint32_t flags() const; 32 uint32_t max_activation_depth() const; 33 const char* name() const; 34 const char* path() const; 35 36 void set_flags(uint32_t flags); 37 38 private: 39 static constexpr size_t CGROUP_NAME_BUF_SZ = 16; 40 static constexpr size_t CGROUP_PATH_BUF_SZ = 32; 41 42 uint32_t version_ = 0; 43 uint32_t flags_ = 0; 44 uint32_t max_activation_depth_ = UINT32_MAX; 45 char name_[CGROUP_NAME_BUF_SZ] = {}; 46 char path_[CGROUP_PATH_BUF_SZ] = {}; 47 };