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75 lines
1.9 KiB
75 lines
1.9 KiB
4 years ago
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/*
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* Copyright (C) 2018 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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#ifndef POWER_LIBPERFMGR_INTERACTIONHANDLER_H_
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#define POWER_LIBPERFMGR_INTERACTIONHANDLER_H_
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#include <condition_variable>
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#include <memory>
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#include <mutex>
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#include <string>
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#include <thread>
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#include <perfmgr/HintManager.h>
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using ::android::perfmgr::HintManager;
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enum interaction_state {
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INTERACTION_STATE_UNINITIALIZED,
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INTERACTION_STATE_IDLE,
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INTERACTION_STATE_INTERACTION,
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INTERACTION_STATE_WAITING,
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};
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class InteractionHandler {
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public:
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InteractionHandler(std::shared_ptr<HintManager> const &hint_manager);
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~InteractionHandler();
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bool Init();
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void Exit();
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void Acquire(int32_t duration);
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private:
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void Release();
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void WaitForIdle(int32_t wait_ms, int32_t timeout_ms);
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void AbortWaitLocked();
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void Routine();
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void PerfLock();
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void PerfRel();
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size_t CalcTimespecDiffMs(struct timespec start, struct timespec end);
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enum interaction_state mState;
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int mIdleFd;
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int mEventFd;
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int32_t mWaitMs;
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int32_t mMinDurationMs;
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int32_t mMaxDurationMs;
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int32_t mDurationMs;
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struct timespec mLastTimespec;
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std::unique_ptr<std::thread> mThread;
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std::mutex mLock;
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std::condition_variable mCond;
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std::shared_ptr<HintManager> mHintManager;
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};
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#endif // POWER_LIBPERFMGR_INTERACTIONHANDLER_H_
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