Move common code into process_util.cc

base/process_util.cc

+// Copyright (c) 2010 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.
+
+#include "base/process_util.h"
+
+namespace base {
+
+int GetProcessCount(const std::wstring& executable_name,
+                    const ProcessFilter* filter) {
+  int count = 0;
+  NamedProcessIterator iter(executable_name, filter);
+  while (iter.NextProcessEntry())
+    ++count;
+  return count;
+}
+
+bool KillProcesses(const std::wstring& executable_name, int exit_code,
+                   const ProcessFilter* filter) {
+  bool result = true;
+  NamedProcessIterator iter(executable_name, filter);
+  while (const ProcessEntry* entry = iter.NextProcessEntry()) {
+#if defined(OS_WIN)
+    result &= KillProcessById(entry->pid(), exit_code, true);
+#else
+    result &= KillProcess(entry->pid(), exit_code, true);
+#endif
+  }
+  return result;
+}
+
+const ProcessEntry* ProcessIterator::NextProcessEntry() {
+  bool result = false;
+  do {
+    result = CheckForNextProcess();
+  } while (result && !IncludeEntry());
+  if (result)
+    return &entry_;
+  return NULL;
+}
+
+bool ProcessIterator::IncludeEntry() {
+  return !filter_ || filter_->Includes(entry_);
+}
+
+std::list<ProcessEntry> ProcessIterator::Snapshot() {
+  std::list<ProcessEntry> found;
+  while (const ProcessEntry* process_entry = NextProcessEntry()) {
+    found.push_back(*process_entry);
+  }
+  return found;
+}
+
+NamedProcessIterator::NamedProcessIterator(const std::wstring& executable_name,
+                                           const ProcessFilter* filter)
+    : ProcessIterator(filter),
+      executable_name_(executable_name) {
+}
+
+NamedProcessIterator::~NamedProcessIterator() {
+}
+
+}  // namespace base