Move base to DEPS

base/process/process_iterator.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 methods to iterate over processes on the system.
-
-#ifndef BASE_PROCESS_PROCESS_ITERATOR_H_
-#define BASE_PROCESS_PROCESS_ITERATOR_H_
-
-#include <list>
-#include <string>
-#include <vector>
-
-#include "base/base_export.h"
-#include "base/basictypes.h"
-#include "base/files/file_path.h"
-#include "base/process/process.h"
-#include "build/build_config.h"
-
-#if defined(OS_WIN)
-#include <windows.h>
-#include <tlhelp32.h>
-#elif defined(OS_MACOSX) || defined(OS_OPENBSD)
-#include <sys/sysctl.h>
-#elif defined(OS_FREEBSD)
-#include <sys/user.h>
-#elif defined(OS_POSIX)
-#include <dirent.h>
-#endif
-
-namespace base {
-
-#if defined(OS_WIN)
-struct ProcessEntry : public PROCESSENTRY32 {
-  ProcessId pid() const { return th32ProcessID; }
-  ProcessId parent_pid() const { return th32ParentProcessID; }
-  const wchar_t* exe_file() const { return szExeFile; }
-};
-#elif defined(OS_POSIX)
-struct BASE_EXPORT ProcessEntry {
-  ProcessEntry();
-  ~ProcessEntry();
-
-  ProcessId pid() const { return pid_; }
-  ProcessId parent_pid() const { return ppid_; }
-  ProcessId gid() const { return gid_; }
-  const char* exe_file() const { return exe_file_.c_str(); }
-  const std::vector<std::string>& cmd_line_args() const {
-    return cmd_line_args_;
-  }
-
-  ProcessId pid_;
-  ProcessId ppid_;
-  ProcessId gid_;
-  std::string exe_file_;
-  std::vector<std::string> cmd_line_args_;
-};
-#endif  // defined(OS_POSIX)
-
-// Used to filter processes by process ID.
-class ProcessFilter {
- public:
-  // Returns true to indicate set-inclusion and false otherwise.  This method
-  // should not have side-effects and should be idempotent.
-  virtual bool Includes(const ProcessEntry& entry) const = 0;
-
- protected:
-  virtual ~ProcessFilter() {}
-};
-
-// This class provides a way to iterate through a list of processes on the
-// current machine with a specified filter.
-// To use, create an instance and then call NextProcessEntry() until it returns
-// false.
-class BASE_EXPORT ProcessIterator {
- public:
-  typedef std::list<ProcessEntry> ProcessEntries;
-
-  explicit ProcessIterator(const ProcessFilter* filter);
-  virtual ~ProcessIterator();
-
-  // If there's another process that matches the given executable name,
-  // returns a const pointer to the corresponding PROCESSENTRY32.
-  // If there are no more matching processes, returns NULL.
-  // The returned pointer will remain valid until NextProcessEntry()
-  // is called again or this NamedProcessIterator goes out of scope.
-  const ProcessEntry* NextProcessEntry();
-
-  // Takes a snapshot of all the ProcessEntry found.
-  ProcessEntries Snapshot();
-
- protected:
-  virtual bool IncludeEntry();
-  const ProcessEntry& entry() { return entry_; }
-
- private:
-  // Determines whether there's another process (regardless of executable)
-  // left in the list of all processes.  Returns true and sets entry_ to
-  // that process's info if there is one, false otherwise.
-  bool CheckForNextProcess();
-
-  // Initializes a PROCESSENTRY32 data structure so that it's ready for
-  // use with Process32First/Process32Next.
-  void InitProcessEntry(ProcessEntry* entry);
-
-#if defined(OS_WIN)
-  HANDLE snapshot_;
-  bool started_iteration_;
-#elif defined(OS_MACOSX) || defined(OS_BSD)
-  std::vector<kinfo_proc> kinfo_procs_;
-  size_t index_of_kinfo_proc_;
-#elif defined(OS_POSIX)
-  DIR* procfs_dir_;
-#endif
-  ProcessEntry entry_;
-  const ProcessFilter* filter_;
-
-  DISALLOW_COPY_AND_ASSIGN(ProcessIterator);
-};
-
-// This class provides a way to iterate through the list of processes
-// on the current machine that were started from the given executable
-// name.  To use, create an instance and then call NextProcessEntry()
-// until it returns false.
-class BASE_EXPORT NamedProcessIterator : public ProcessIterator {
- public:
-  NamedProcessIterator(const FilePath::StringType& executable_name,
-                       const ProcessFilter* filter);
-  ~NamedProcessIterator() override;
-
- protected:
-  bool IncludeEntry() override;
-
- private:
-  FilePath::StringType executable_name_;
-
-  DISALLOW_COPY_AND_ASSIGN(NamedProcessIterator);
-};
-
-// Returns the number of processes on the machine that are running from the
-// given executable name.  If filter is non-null, then only processes selected
-// by the filter will be counted.
-BASE_EXPORT int GetProcessCount(const FilePath::StringType& executable_name,
-                                const ProcessFilter* filter);
-
-}  // namespace base
-
-#endif  // BASE_PROCESS_PROCESS_ITERATOR_H_