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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef SRC_PROCESS_STATS_PROCFS_UTILS_H_
#define SRC_PROCESS_STATS_PROCFS_UTILS_H_
#include <map>
#include <memory>
#include <string>
#include "process_info.h"
namespace procfs_utils {
using ProcessMap = std::map<int, std::unique_ptr<ProcessInfo>>;
// ProcFS doesn't necessarly distinguish PID vs. TID, but all threads of a
// process have the same Thread Group ID which is equal to Process ID.
int ReadTgid(int pid);
int ReadPpid(int pid);
std::unique_ptr<ProcessInfo> ReadProcessInfo(int pid);
void ReadProcessThreads(ProcessInfo* process);
} // namespace procfs_utils
#endif // SRC_PROCESS_STATS_PROCFS_UTILS_H_