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/*
* Copyright (C) 2015 The Android Open Source Project
*
* 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 _MEMORY_REPLAY_THREAD_H
#define _MEMORY_REPLAY_THREAD_H
#include <pthread.h>
#include <stdint.h>
#include <sys/types.h>
class Action;
class Pointers;
constexpr size_t ACTION_MEMORY_SIZE = 128;
class Thread {
public:
Thread();
virtual ~Thread();
void WaitForReady();
void WaitForPending();
void SetPending();
void ClearPending();
Action* CreateAction(uintptr_t key_pointer, const char* type, const char* line);
void AddTimeNsecs(uint64_t nsecs) { total_time_nsecs_ += nsecs; }
void set_pointers(Pointers* pointers) { pointers_ = pointers; }
Pointers* pointers() { return pointers_; }
Action* GetAction() { return reinterpret_cast<Action*>(action_memory_); }
private:
pthread_mutex_t mutex_ = PTHREAD_MUTEX_INITIALIZER;
pthread_cond_t cond_;
bool pending_ = false;
pthread_t thread_id_;
pid_t tid_ = 0;
uint64_t total_time_nsecs_ = 0;
Pointers* pointers_ = nullptr;
// Per thread memory for an Action. Only one action can be processed.
// at a time.
static constexpr size_t ACTION_SIZE = 128;
uint8_t action_memory_[ACTION_SIZE];
friend class Threads;
};
#endif // _MEMORY_REPLAY_THREAD_H
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