chromium/third_party/crashpad/crashpad/util/linux/proc_stat_reader.cc

// Copyright 2017 The Crashpad Authors
//
// 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.

#include "util/linux/proc_stat_reader.h"

#include <stdio.h>
#include <time.h>
#include <unistd.h>

#include <iterator>

#include "base/files/file_path.h"
#include "base/logging.h"
#include "util/file/file_io.h"
#include "util/misc/lexing.h"
#include "util/misc/time.h"

namespace crashpad {

namespace {

long GetClockTicksPerSecond() { … }

}  // namespace

ProcStatReader::ProcStatReader()
    : … { … }

ProcStatReader::~ProcStatReader() { … }

bool ProcStatReader::Initialize(PtraceConnection* connection, pid_t tid) { … }

bool ProcStatReader::UserCPUTime(timeval* user_time) const { … }

bool ProcStatReader::SystemCPUTime(timeval* system_time) const { … }

bool ProcStatReader::StartTime(const timeval& boot_time,
                               timeval* start_time) const { … }

bool ProcStatReader::FindColumn(int col_index, const char** column) const { … }

bool ProcStatReader::ReadTimeAtIndex(int index, timeval* time_val) const { … }

}  // namespace crashpad