7c94e5b25c
SetupCgroups was moved from CgroupMap in libprocessgroup to SetupCgroup
in libprocessgroup_setup, but the old declaration was not removed.
Fixes: 6f9ce2e548 ("libprocessgroup: Move CgroupSetupCgroups() to libprocessgroup_setup")
Test: m
Change-Id: I9f85000392b59a105bb202fae277a5582449822a
66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <sys/types.h>
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#include <string>
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#include <android/cgrouprc.h>
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// Convenient wrapper of an ACgroupController pointer.
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class CgroupControllerWrapper {
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public:
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// Does not own controller
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explicit CgroupControllerWrapper(const ACgroupController* controller)
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: controller_(controller) {}
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uint32_t version() const;
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const char* name() const;
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const char* path() const;
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bool HasValue() const;
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bool IsUsable();
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std::string GetTasksFilePath(const std::string& path) const;
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std::string GetProcsFilePath(const std::string& path, uid_t uid, pid_t pid) const;
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bool GetTaskGroup(pid_t tid, std::string* group) const;
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private:
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enum ControllerState {
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UNKNOWN = 0,
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USABLE = 1,
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MISSING = 2,
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};
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const ACgroupController* controller_ = nullptr;
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ControllerState state_ = ControllerState::UNKNOWN;
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};
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class CgroupMap {
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public:
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static CgroupMap& GetInstance();
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CgroupControllerWrapper FindController(const std::string& name) const;
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CgroupControllerWrapper FindControllerByPath(const std::string& path) const;
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int ActivateControllers(const std::string& path) const;
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private:
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bool loaded_ = false;
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CgroupMap();
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bool LoadRcFile();
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void Print() const;
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};
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