Move base to DEPS

base/process/internal_linux.h

-// Copyright (c) 2013 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.
-
-// This file contains internal routines that are called by other files in
-// base/process/.
-
-#ifndef BASE_PROCESS_INTERNAL_LINUX_H_
-#define BASE_PROCESS_INTERNAL_LINUX_H_
-
-#include <unistd.h>
-
-#include "base/files/file_path.h"
-
-namespace base {
-
-class Time;
-class TimeDelta;
-
-namespace internal {
-
-// "/proc"
-extern const char kProcDir[];
-
-// "stat"
-extern const char kStatFile[];
-
-// Returns a FilePath to "/proc/pid".
-base::FilePath GetProcPidDir(pid_t pid);
-
-// Take a /proc directory entry named |d_name|, and if it is the directory for
-// a process, convert it to a pid_t.
-// Returns 0 on failure.
-// e.g. /proc/self/ will return 0, whereas /proc/1234 will return 1234.
-pid_t ProcDirSlotToPid(const char* d_name);
-
-// Reads /proc/<pid>/stat into |buffer|. Returns true if the file can be read
-// and is non-empty.
-bool ReadProcStats(pid_t pid, std::string* buffer);
-
-// Takes |stats_data| and populates |proc_stats| with the values split by
-// spaces. Taking into account the 2nd field may, in itself, contain spaces.
-// Returns true if successful.
-bool ParseProcStats(const std::string& stats_data,
-                    std::vector<std::string>* proc_stats);
-
-// Fields from /proc/<pid>/stat, 0-based. See man 5 proc.
-// If the ordering ever changes, carefully review functions that use these
-// values.
-enum ProcStatsFields {
-  VM_COMM           = 1,   // Filename of executable, without parentheses.
-  VM_STATE          = 2,   // Letter indicating the state of the process.
-  VM_PPID           = 3,   // PID of the parent.
-  VM_PGRP           = 4,   // Process group id.
-  VM_UTIME          = 13,  // Time scheduled in user mode in clock ticks.
-  VM_STIME          = 14,  // Time scheduled in kernel mode in clock ticks.
-  VM_NUMTHREADS     = 19,  // Number of threads.
-  VM_STARTTIME      = 21,  // The time the process started in clock ticks.
-  VM_VSIZE          = 22,  // Virtual memory size in bytes.
-  VM_RSS            = 23,  // Resident Set Size in pages.
-};
-
-// Reads the |field_num|th field from |proc_stats|. Returns 0 on failure.
-// This version does not handle the first 3 values, since the first value is
-// simply |pid|, and the next two values are strings.
-int64 GetProcStatsFieldAsInt64(const std::vector<std::string>& proc_stats,
-                               ProcStatsFields field_num);
-
-// Same as GetProcStatsFieldAsInt64(), but for size_t values.
-size_t GetProcStatsFieldAsSizeT(const std::vector<std::string>& proc_stats,
-                                ProcStatsFields field_num);
-
-// Convenience wrapper around GetProcStatsFieldAsInt64(), ParseProcStats() and
-// ReadProcStats(). See GetProcStatsFieldAsInt64() for details.
-int64 ReadProcStatsAndGetFieldAsInt64(pid_t pid, ProcStatsFields field_num);
-
-// Same as ReadProcStatsAndGetFieldAsInt64() but for size_t values.
-size_t ReadProcStatsAndGetFieldAsSizeT(pid_t pid,
-                                       ProcStatsFields field_num);
-
-// Returns the time that the OS started. Clock ticks are relative to this.
-Time GetBootTime();
-
-// Converts Linux clock ticks to a wall time delta.
-TimeDelta ClockTicksToTimeDelta(int clock_ticks);
-
-}  // namespace internal
-}  // namespace base
-
-#endif  // BASE_PROCESS_INTERNAL_LINUX_H_