base/process/process_iterator_win.cc

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/process/process_iterator.h"
   6
   7 namespace base {
   8
   9 ProcessIterator::ProcessIterator(const ProcessFilter* filter)
  10     : started_iteration_(false),
  11       filter_(filter) {
  12   snapshot_ = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
  13 }
  14
  15 ProcessIterator::~ProcessIterator() {
  16   CloseHandle(snapshot_);
  17 }
  18
  19 bool ProcessIterator::CheckForNextProcess() {
  20   InitProcessEntry(&entry_);
  21
  22   if (!started_iteration_) {
  23     started_iteration_ = true;
  24     return !!Process32First(snapshot_, &entry_);
  25   }
  26
  27   return !!Process32Next(snapshot_, &entry_);
  28 }
  29
  30 void ProcessIterator::InitProcessEntry(ProcessEntry* entry) {
  31   memset(entry, 0, sizeof(*entry));
  32   entry->dwSize = sizeof(*entry);
  33 }
  34
  35 bool NamedProcessIterator::IncludeEntry() {
  36   // Case insensitive.
  37   return _wcsicmp(executable_name_.c_str(), entry().exe_file()) == 0 &&
  38          ProcessIterator::IncludeEntry();
  39 }
  40
  41 }  // namespace base