Index: content/common/child_process_info.cc |
=================================================================== |
--- content/common/child_process_info.cc (revision 112500) |
+++ content/common/child_process_info.cc (working copy) |
@@ -1,65 +0,0 @@ |
-// Copyright (c) 2011 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 "content/common/child_process_info.h" |
- |
-#include <limits> |
- |
-#include "base/atomicops.h" |
-#include "base/i18n/rtl.h" |
-#include "base/logging.h" |
-#include "base/process_util.h" |
-#include "base/rand_util.h" |
-#include "base/stringprintf.h" |
-#include "base/utf_string_conversions.h" |
- |
-ChildProcessInfo::ChildProcessInfo(content::ProcessType type, int id) : |
- type_(type) { |
- if (id == -1) |
- id_ = GenerateChildProcessUniqueId(); |
- else |
- id_ = id; |
-} |
- |
-ChildProcessInfo::ChildProcessInfo(const ChildProcessInfo& original) |
- : type_(original.type_), |
- name_(original.name_), |
- version_(original.version_), |
- id_(original.id_), |
- process_(original.process_) { |
-} |
- |
-ChildProcessInfo::~ChildProcessInfo() { |
-} |
- |
-ChildProcessInfo& ChildProcessInfo::operator=( |
- const ChildProcessInfo& original) { |
- if (&original != this) { |
- type_ = original.type_; |
- name_ = original.name_; |
- version_ = original.version_; |
- id_ = original.id_; |
- process_ = original.process_; |
- } |
- return *this; |
-} |
- |
-std::string ChildProcessInfo::GenerateRandomChannelID(void* instance) { |
- // Note: the string must start with the current process id, this is how |
- // child processes determine the pid of the parent. |
- // Build the channel ID. This is composed of a unique identifier for the |
- // parent browser process, an identifier for the child instance, and a random |
- // component. We use a random component so that a hacked child process can't |
- // cause denial of service by causing future named pipe creation to fail. |
- return base::StringPrintf("%d.%p.%d", |
- base::GetCurrentProcId(), instance, |
- base::RandInt(0, std::numeric_limits<int>::max())); |
-} |
- |
-// static |
-int ChildProcessInfo::GenerateChildProcessUniqueId() { |
- // This function must be threadsafe. |
- static base::subtle::Atomic32 last_unique_child_id = 0; |
- return base::subtle::NoBarrier_AtomicIncrement(&last_unique_child_id, 1); |
-} |