• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*
2  * Copyright (C) 2010 Apple Inc. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23  * THE POSSIBILITY OF SUCH DAMAGE.
24  */
25 
26 #ifndef WebProcessLauncher_h
27 #define WebProcessLauncher_h
28 
29 #include "Connection.h"
30 #include "PlatformProcessIdentifier.h"
31 #include <wtf/RefPtr.h>
32 #include <wtf/Threading.h>
33 
34 #if PLATFORM(QT)
35 class QLocalSocket;
36 #endif
37 
38 namespace WebKit {
39 
40 class ProcessLauncher : public ThreadSafeRefCounted<ProcessLauncher> {
41 public:
42     class Client {
43     public:
~Client()44         virtual ~Client() { }
45 
46         virtual void didFinishLaunching(ProcessLauncher*, CoreIPC::Connection::Identifier) = 0;
47     };
48 
49     enum ProcessType {
50         WebProcess,
51         PluginProcess
52     };
53 
54     struct LaunchOptions {
55         ProcessType processType;
56 #if PLATFORM(MAC)
57         static const cpu_type_t MatchCurrentArchitecture = 0;
58         cpu_type_t architecture;
59         bool executableHeap;
60 #endif
61     };
62 
create(Client * client,const LaunchOptions & launchOptions)63     static PassRefPtr<ProcessLauncher> create(Client* client, const LaunchOptions& launchOptions)
64     {
65         return adoptRef(new ProcessLauncher(client, launchOptions));
66     }
67 
isLaunching()68     bool isLaunching() const { return m_isLaunching; }
processIdentifier()69     PlatformProcessIdentifier processIdentifier() const { return m_processIdentifier; }
70 
71     void terminateProcess();
72     void invalidate();
73 
74     static bool getProcessTypeFromString(const char*, ProcessType&);
75 
76 private:
77     ProcessLauncher(Client*, const LaunchOptions& launchOptions);
78 
79     static const char* processTypeAsString(ProcessType);
80 
81     void launchProcess();
82     void didFinishLaunchingProcess(PlatformProcessIdentifier, CoreIPC::Connection::Identifier);
83 
84     void platformInvalidate();
85 
86     Client* m_client;
87 
88     const LaunchOptions m_launchOptions;
89     bool m_isLaunching;
90     PlatformProcessIdentifier m_processIdentifier;
91 };
92 
93 } // namespace WebKit
94 
95 #endif // WebProcessLauncher_h
96