blob: f9c2acda4da965ba69d5c8e0e5a0fd23873fa3cd (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
// 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.
#ifndef CONTENT_BROWSER_BROWSER_CHILD_PROCESS_HOST_IMPL_H_
#define CONTENT_BROWSER_BROWSER_CHILD_PROCESS_HOST_IMPL_H_
#pragma once
#include <list>
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/process.h"
#include "base/synchronization/waitable_event_watcher.h"
#include "content/browser/child_process_launcher.h"
#include "content/public/browser/browser_child_process_host.h"
#include "content/public/browser/child_process_data.h"
#include "content/public/common/child_process_host_delegate.h"
namespace content {
class BrowserChildProcessHostIterator;
}
// Plugins/workers and other child processes that live on the IO thread use this
// class. RenderProcessHostImpl is the main exception that doesn't use this
/// class because it lives on the UI thread.
class CONTENT_EXPORT BrowserChildProcessHostImpl :
public content::BrowserChildProcessHost,
public NON_EXPORTED_BASE(content::ChildProcessHostDelegate),
public ChildProcessLauncher::Client,
public base::WaitableEventWatcher::Delegate {
public:
BrowserChildProcessHostImpl(
content::ProcessType type,
content::BrowserChildProcessHostDelegate* delegate);
virtual ~BrowserChildProcessHostImpl();
// Terminates all child processes and deletes each BrowserChildProcessHost
// instance.
static void TerminateAll();
// BrowserChildProcessHostImpl implementation:
virtual bool Send(IPC::Message* message) OVERRIDE;
virtual void Launch(
#if defined(OS_WIN)
const FilePath& exposed_dir,
#elif defined(OS_POSIX)
bool use_zygote,
const base::environment_vector& environ,
#endif
CommandLine* cmd_line) OVERRIDE;
virtual const content::ChildProcessData& GetData() const OVERRIDE;
virtual content::ChildProcessHost* GetHost() const OVERRIDE;
virtual base::TerminationStatus GetTerminationStatus(int* exit_code) OVERRIDE;
virtual void SetName(const string16& name) OVERRIDE;
virtual void SetHandle(base::ProcessHandle handle) OVERRIDE;
bool disconnect_was_alive() const { return disconnect_was_alive_; }
// Returns the handle of the child process. This can be called only after
// OnProcessLaunched is called or it will be invalid and may crash.
base::ProcessHandle GetHandle() const;
// Removes this host from the host list. Calls ChildProcessHost::ForceShutdown
void ForceShutdown();
// Controls whether the child process should be terminated on browser
// shutdown. Default is to always terminate.
void SetTerminateChildOnShutdown(bool terminate_on_shutdown);
// Sends the given notification on the UI thread.
void Notify(int type);
content::BrowserChildProcessHostDelegate* delegate() const {
return delegate_;
}
typedef std::list<BrowserChildProcessHostImpl*> BrowserChildProcessList;
private:
friend class content::BrowserChildProcessHostIterator;
static BrowserChildProcessList* GetIterator();
// ChildProcessHostDelegate implementation:
virtual bool CanShutdown() OVERRIDE;
virtual void OnChildDisconnected() OVERRIDE;
virtual void ShutdownStarted() OVERRIDE;
virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
virtual void OnChannelConnected(int32 peer_pid) OVERRIDE;
virtual void OnChannelError() OVERRIDE;
// ChildProcessLauncher::Client implementation.
virtual void OnProcessLaunched() OVERRIDE;
// public base::WaitableEventWatcher::Delegate implementation:
virtual void OnWaitableEventSignaled(
base::WaitableEvent* waitable_event) OVERRIDE;
content::ChildProcessData data_;
content::BrowserChildProcessHostDelegate* delegate_;
scoped_ptr<content::ChildProcessHost> child_process_host_;
scoped_ptr<ChildProcessLauncher> child_process_;
#if defined(OS_WIN)
base::WaitableEventWatcher child_watcher_;
#else
base::WeakPtrFactory<BrowserChildProcessHostImpl> task_factory_;
#endif
bool disconnect_was_alive_;
};
#endif // CONTENT_BROWSER_BROWSER_CHILD_PROCESS_HOST_IMPL_H_
|
