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Side by Side Diff: content/browser/browser_child_process_host.h

Issue 8770027: Get rid of the ChildProcessInfo class. It was carrying unnecessary data, and the fact that some p... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: Created 9 years ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef CONTENT_BROWSER_BROWSER_CHILD_PROCESS_HOST_H_ 5 #ifndef CONTENT_BROWSER_BROWSER_CHILD_PROCESS_HOST_H_
6 #define CONTENT_BROWSER_BROWSER_CHILD_PROCESS_HOST_H_ 6 #define CONTENT_BROWSER_BROWSER_CHILD_PROCESS_HOST_H_
7 #pragma once 7 #pragma once
8 8
9 #include <list> 9 #include <list>
10 10
11 #include "base/memory/weak_ptr.h" 11 #include "base/memory/weak_ptr.h"
12 #include "base/process.h"
12 #include "base/synchronization/waitable_event_watcher.h" 13 #include "base/synchronization/waitable_event_watcher.h"
13 #include "content/browser/child_process_launcher.h" 14 #include "content/browser/child_process_launcher.h"
14 #include "content/common/child_process_host.h" 15 #include "content/common/child_process_host.h"
15 #include "content/common/child_process_info.h"
16 #include "content/common/content_export.h" 16 #include "content/common/content_export.h"
17 #include "content/public/common/process_type.h" 17 #include "content/public/browser/child_process_data.h"
18 18
19 namespace base { 19 namespace base {
20 class WaitableEvent; 20 class WaitableEvent;
21 } 21 }
22 22
23 // Plugins/workers and other child processes that live on the IO thread should 23 // Plugins/workers and other child processes that live on the IO thread should
24 // derive from this class. 24 // derive from this class.
25 // 25 //
26 // [Browser]RenderProcessHost is the main exception that doesn't derive from 26 // [Browser]RenderProcessHost is the main exception that doesn't derive from
27 // this class. That project lives on the UI thread. 27 // this class. That project lives on the UI thread.
28 class CONTENT_EXPORT BrowserChildProcessHost : 28 class CONTENT_EXPORT BrowserChildProcessHost :
29 public ChildProcessHost, 29 public ChildProcessHost,
30 public ChildProcessInfo,
31 public ChildProcessLauncher::Client, 30 public ChildProcessLauncher::Client,
32 public base::WaitableEventWatcher::Delegate { 31 public base::WaitableEventWatcher::Delegate {
33 public: 32 public:
34 virtual ~BrowserChildProcessHost(); 33 virtual ~BrowserChildProcessHost();
35 34
36 virtual void OnWaitableEventSignaled( 35 virtual void OnWaitableEventSignaled(
37 base::WaitableEvent* waitable_event) OVERRIDE; 36 base::WaitableEvent* waitable_event) OVERRIDE;
38 37
39 // Terminates all child processes and deletes each ChildProcessHost instance. 38 // Terminates all child processes and deletes each ChildProcessHost instance.
40 static void TerminateAll(); 39 static void TerminateAll();
(...skipping 11 matching lines...) Expand all
52 BrowserChildProcessHost* operator*() { return *iterator_; } 51 BrowserChildProcessHost* operator*() { return *iterator_; }
53 BrowserChildProcessHost* operator++(); 52 BrowserChildProcessHost* operator++();
54 bool Done(); 53 bool Done();
55 54
56 private: 55 private:
57 bool all_; 56 bool all_;
58 content::ProcessType type_; 57 content::ProcessType type_;
59 std::list<BrowserChildProcessHost*>::iterator iterator_; 58 std::list<BrowserChildProcessHost*>::iterator iterator_;
60 }; 59 };
61 60
61 const content::ChildProcessData& data() const { return data_; }
62 content::ProcessType type() const { return data_.type; }
63 const string16& name() const { return data_.name; }
64 base::ProcessHandle handle() const { return data_.handle; }
65 int id() const { return data_.id; }
66
62 protected: 67 protected:
63 explicit BrowserChildProcessHost(content::ProcessType type); 68 explicit BrowserChildProcessHost(content::ProcessType type);
64 69
65 // Derived classes call this to launch the child process asynchronously. 70 // Derived classes call this to launch the child process asynchronously.
66 void Launch( 71 void Launch(
67 #if defined(OS_WIN) 72 #if defined(OS_WIN)
68 const FilePath& exposed_dir, 73 const FilePath& exposed_dir,
69 #elif defined(OS_POSIX) 74 #elif defined(OS_POSIX)
70 bool use_zygote, 75 bool use_zygote,
71 const base::environment_vector& environ, 76 const base::environment_vector& environ,
(...skipping 33 matching lines...) Expand 10 before | Expand all | Expand 10 after
105 // the host list. Calls ChildProcessHost::ForceShutdown 110 // the host list. Calls ChildProcessHost::ForceShutdown
106 virtual void ForceShutdown() OVERRIDE; 111 virtual void ForceShutdown() OVERRIDE;
107 112
108 // Controls whether the child process should be terminated on browser 113 // Controls whether the child process should be terminated on browser
109 // shutdown. Default is to always terminate. 114 // shutdown. Default is to always terminate.
110 void SetTerminateChildOnShutdown(bool terminate_on_shutdown); 115 void SetTerminateChildOnShutdown(bool terminate_on_shutdown);
111 116
112 // Sends the given notification on the UI thread. 117 // Sends the given notification on the UI thread.
113 void Notify(int type); 118 void Notify(int type);
114 119
120 void set_name(const string16& name) { data_.name = name; }
121 void set_handle(base::ProcessHandle handle) { data_.handle = handle; }
122
115 private: 123 private:
116 // By using an internal class as the ChildProcessLauncher::Client, we can 124 // By using an internal class as the ChildProcessLauncher::Client, we can
117 // intercept OnProcessLaunched and do our own processing before 125 // intercept OnProcessLaunched and do our own processing before
118 // calling the subclass' implementation. 126 // calling the subclass' implementation.
119 class ClientHook : public ChildProcessLauncher::Client { 127 class ClientHook : public ChildProcessLauncher::Client {
120 public: 128 public:
121 explicit ClientHook(BrowserChildProcessHost* host); 129 explicit ClientHook(BrowserChildProcessHost* host);
122 virtual void OnProcessLaunched() OVERRIDE; 130 virtual void OnProcessLaunched() OVERRIDE;
123 private: 131 private:
124 BrowserChildProcessHost* host_; 132 BrowserChildProcessHost* host_;
125 }; 133 };
126 134
135 content::ChildProcessData data_;
136
127 ClientHook client_; 137 ClientHook client_;
128 scoped_ptr<ChildProcessLauncher> child_process_; 138 scoped_ptr<ChildProcessLauncher> child_process_;
129 #if defined(OS_WIN) 139 #if defined(OS_WIN)
130 base::WaitableEventWatcher child_watcher_; 140 base::WaitableEventWatcher child_watcher_;
131 #else 141 #else
132 base::WeakPtrFactory<BrowserChildProcessHost> task_factory_; 142 base::WeakPtrFactory<BrowserChildProcessHost> task_factory_;
133 #endif 143 #endif
134 bool disconnect_was_alive_; 144 bool disconnect_was_alive_;
135 }; 145 };
136 146
137 #endif // CONTENT_BROWSER_BROWSER_CHILD_PROCESS_HOST_H_ 147 #endif // CONTENT_BROWSER_BROWSER_CHILD_PROCESS_HOST_H_
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