ipc/chromium/src/chrome/common/child_process_info.h@6474c204b198 (annotated)
ipc/chromium/src/chrome/common/child_process_info.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | // Copyright (c) 2009 The Chromium Authors. All rights reserved. |
| michael@0 | 2 | // Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 3 | // found in the LICENSE file. |
| michael@0 | 4 | |
| michael@0 | 5 | #ifndef CHROME_COMMON_CHILD_PROCESS_INFO_H_ |
| michael@0 | 6 | #define CHROME_COMMON_CHILD_PROCESS_INFO_H_ |
| michael@0 | 7 | |
| michael@0 | 8 | #include <string> |
| michael@0 | 9 | |
| michael@0 | 10 | #include "base/process.h" |
| michael@0 | 11 | |
| michael@0 | 12 | // Holds information about a child process. |
| michael@0 | 13 | class ChildProcessInfo { |
| michael@0 | 14 | public: |
| michael@0 | 15 | enum ProcessType { |
| michael@0 | 16 | BROWSER_PROCESS, |
| michael@0 | 17 | RENDER_PROCESS, |
| michael@0 | 18 | PLUGIN_PROCESS, |
| michael@0 | 19 | WORKER_PROCESS, |
| michael@0 | 20 | UNKNOWN_PROCESS |
| michael@0 | 21 | }; |
| michael@0 | 22 | |
| michael@0 | 23 | // Returns the type of the process. |
| michael@0 | 24 | ProcessType type() const { return type_; } |
| michael@0 | 25 | |
| michael@0 | 26 | // Returns the name of the process. i.e. for plugins it might be Flash, while |
| michael@0 | 27 | // for workers it might be the domain that it's from. |
| michael@0 | 28 | std::wstring name() const { return name_; } |
| michael@0 | 29 | |
| michael@0 | 30 | // Getter to the process handle. |
| michael@0 | 31 | base::ProcessHandle handle() const { return process_.handle(); } |
| michael@0 | 32 | |
| michael@0 | 33 | virtual int GetProcessId() const { |
| michael@0 | 34 | if (pid_ != -1) |
| michael@0 | 35 | return pid_; |
| michael@0 | 36 | |
| michael@0 | 37 | pid_ = process_.pid(); |
| michael@0 | 38 | return pid_; |
| michael@0 | 39 | } |
| michael@0 | 40 | void SetProcessBackgrounded() const { process_.SetProcessBackgrounded(true); } |
| michael@0 | 41 | |
| michael@0 | 42 | // Returns an English name of the process type, should only be used for non |
| michael@0 | 43 | // user-visible strings, or debugging pages like about:memory. |
| michael@0 | 44 | static std::wstring GetTypeNameInEnglish(ProcessType type); |
| michael@0 | 45 | |
| michael@0 | 46 | // Returns a localized title for the child process. For example, a plugin |
| michael@0 | 47 | // process would be "Plug-in: Flash" when name is "Flash". |
| michael@0 | 48 | std::wstring GetLocalizedTitle() const; |
| michael@0 | 49 | |
| michael@0 | 50 | ChildProcessInfo(const ChildProcessInfo& original) { |
| michael@0 | 51 | type_ = original.type_; |
| michael@0 | 52 | name_ = original.name_; |
| michael@0 | 53 | process_ = original.process_; |
| michael@0 | 54 | pid_ = original.pid_; |
| michael@0 | 55 | } |
| michael@0 | 56 | |
| michael@0 | 57 | ChildProcessInfo& operator=(const ChildProcessInfo& original) { |
| michael@0 | 58 | if (&original != this) { |
| michael@0 | 59 | type_ = original.type_; |
| michael@0 | 60 | name_ = original.name_; |
| michael@0 | 61 | process_ = original.process_; |
| michael@0 | 62 | pid_ = original.pid_; |
| michael@0 | 63 | } |
| michael@0 | 64 | return *this; |
| michael@0 | 65 | } |
| michael@0 | 66 | |
| michael@0 | 67 | virtual ~ChildProcessInfo(); |
| michael@0 | 68 | |
| michael@0 | 69 | // We define the < operator so that the ChildProcessInfo can be used as a key |
| michael@0 | 70 | // in a std::map. |
| michael@0 | 71 | bool operator <(const ChildProcessInfo& rhs) const { |
| michael@0 | 72 | if (process_.handle() != rhs.process_.handle()) |
| michael@0 | 73 | return process_ .handle() < rhs.process_.handle(); |
| michael@0 | 74 | return false; |
| michael@0 | 75 | } |
| michael@0 | 76 | |
| michael@0 | 77 | bool operator ==(const ChildProcessInfo& rhs) const { |
| michael@0 | 78 | return process_.handle() == rhs.process_.handle(); |
| michael@0 | 79 | } |
| michael@0 | 80 | |
| michael@0 | 81 | // Generates a unique channel name for a child renderer/plugin process. |
| michael@0 | 82 | // The "instance" pointer value is baked into the channel id. |
| michael@0 | 83 | static std::wstring GenerateRandomChannelID(void* instance); |
| michael@0 | 84 | |
| michael@0 | 85 | protected: |
| michael@0 | 86 | void set_type(ProcessType type) { type_ = type; } |
| michael@0 | 87 | void set_name(const std::wstring& name) { name_ = name; } |
| michael@0 | 88 | void set_handle(base::ProcessHandle handle) { |
| michael@0 | 89 | process_.set_handle(handle); |
| michael@0 | 90 | pid_ = -1; |
| michael@0 | 91 | } |
| michael@0 | 92 | |
| michael@0 | 93 | // Derived objects need to use this constructor so we know what type we are. |
| michael@0 | 94 | ChildProcessInfo(ProcessType type); |
| michael@0 | 95 | |
| michael@0 | 96 | private: |
| michael@0 | 97 | ProcessType type_; |
| michael@0 | 98 | std::wstring name_; |
| michael@0 | 99 | mutable int pid_; // Cache of the process id. |
| michael@0 | 100 | |
| michael@0 | 101 | // The handle to the process. |
| michael@0 | 102 | mutable base::Process process_; |
| michael@0 | 103 | }; |
| michael@0 | 104 | |
| michael@0 | 105 | #endif // CHROME_COMMON_CHILD_PROCESS_INFO_H_ |
