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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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_CHILD_PROCESS_LAUNCHER_H_ | 5 #ifndef CONTENT_BROWSER_CHILD_PROCESS_LAUNCHER_H_ |
6 #define CONTENT_BROWSER_CHILD_PROCESS_LAUNCHER_H_ | 6 #define CONTENT_BROWSER_CHILD_PROCESS_LAUNCHER_H_ |
7 | 7 |
8 #include "base/files/scoped_file.h" | 8 #include "base/files/scoped_file.h" |
9 #include "base/macros.h" | 9 #include "base/macros.h" |
| 10 #include "base/memory/shared_memory.h" |
10 #include "base/memory/weak_ptr.h" | 11 #include "base/memory/weak_ptr.h" |
11 #include "base/process/kill.h" | 12 #include "base/process/kill.h" |
12 #include "base/process/launch.h" | 13 #include "base/process/launch.h" |
13 #include "base/process/process.h" | 14 #include "base/process/process.h" |
14 #include "base/threading/non_thread_safe.h" | 15 #include "base/threading/non_thread_safe.h" |
15 #include "build/build_config.h" | 16 #include "build/build_config.h" |
16 #include "content/common/content_export.h" | 17 #include "content/common/content_export.h" |
17 #include "content/public/browser/browser_thread.h" | 18 #include "content/public/browser/browser_thread.h" |
18 #include "content/public/common/sandboxed_process_launcher_delegate.h" | 19 #include "content/public/common/sandboxed_process_launcher_delegate.h" |
19 #include "mojo/edk/embedder/embedder.h" | 20 #include "mojo/edk/embedder/embedder.h" |
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72 // Takes ownership of cmd_line. | 73 // Takes ownership of cmd_line. |
73 // | 74 // |
74 // If |process_error_callback| is provided, it will be called if a Mojo error | 75 // If |process_error_callback| is provided, it will be called if a Mojo error |
75 // is encountered when processing messages from the child process. This | 76 // is encountered when processing messages from the child process. This |
76 // callback must be safe to call from any thread. | 77 // callback must be safe to call from any thread. |
77 ChildProcessLauncher( | 78 ChildProcessLauncher( |
78 SandboxedProcessLauncherDelegate* delegate, | 79 SandboxedProcessLauncherDelegate* delegate, |
79 base::CommandLine* cmd_line, | 80 base::CommandLine* cmd_line, |
80 int child_process_id, | 81 int child_process_id, |
81 Client* client, | 82 Client* client, |
| 83 const base::SharedMemory* field_trial_state, |
82 const std::string& mojo_child_token, | 84 const std::string& mojo_child_token, |
83 const mojo::edk::ProcessErrorCallback& process_error_callback, | 85 const mojo::edk::ProcessErrorCallback& process_error_callback, |
84 bool terminate_on_shutdown = true); | 86 bool terminate_on_shutdown = true); |
85 ~ChildProcessLauncher(); | 87 ~ChildProcessLauncher(); |
86 | 88 |
87 // True if the process is being launched and so the handle isn't available. | 89 // True if the process is being launched and so the handle isn't available. |
88 bool IsStarting(); | 90 bool IsStarting(); |
89 | 91 |
90 // Getter for the process. Only call after the process has started. | 92 // Getter for the process. Only call after the process has started. |
91 const base::Process& GetProcess() const; | 93 const base::Process& GetProcess() const; |
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109 void SetProcessBackgrounded(bool background); | 111 void SetProcessBackgrounded(bool background); |
110 | 112 |
111 // Replaces the ChildProcessLauncher::Client for testing purposes. Returns the | 113 // Replaces the ChildProcessLauncher::Client for testing purposes. Returns the |
112 // previous client. | 114 // previous client. |
113 Client* ReplaceClientForTest(Client* client); | 115 Client* ReplaceClientForTest(Client* client); |
114 | 116 |
115 private: | 117 private: |
116 // Posts a task to the launcher thread to do the actual work. | 118 // Posts a task to the launcher thread to do the actual work. |
117 void Launch(SandboxedProcessLauncherDelegate* delegate, | 119 void Launch(SandboxedProcessLauncherDelegate* delegate, |
118 base::CommandLine* cmd_line, | 120 base::CommandLine* cmd_line, |
119 int child_process_id); | 121 int child_process_id, |
| 122 const base::SharedMemory* field_trial_state); |
120 | 123 |
121 void UpdateTerminationStatus(bool known_dead); | 124 void UpdateTerminationStatus(bool known_dead); |
122 | 125 |
123 // This is always called on the client thread after an attempt | 126 // This is always called on the client thread after an attempt |
124 // to launch the child process on the launcher thread. | 127 // to launch the child process on the launcher thread. |
125 // It makes sure we always perform the necessary cleanup if the | 128 // It makes sure we always perform the necessary cleanup if the |
126 // client went away. | 129 // client went away. |
127 static void DidLaunch(base::WeakPtr<ChildProcessLauncher> instance, | 130 static void DidLaunch(base::WeakPtr<ChildProcessLauncher> instance, |
128 bool terminate_on_shutdown, | 131 bool terminate_on_shutdown, |
129 mojo::edk::ScopedPlatformHandle server_handle, | 132 mojo::edk::ScopedPlatformHandle server_handle, |
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160 const std::string mojo_child_token_; | 163 const std::string mojo_child_token_; |
161 | 164 |
162 base::WeakPtrFactory<ChildProcessLauncher> weak_factory_; | 165 base::WeakPtrFactory<ChildProcessLauncher> weak_factory_; |
163 | 166 |
164 DISALLOW_COPY_AND_ASSIGN(ChildProcessLauncher); | 167 DISALLOW_COPY_AND_ASSIGN(ChildProcessLauncher); |
165 }; | 168 }; |
166 | 169 |
167 } // namespace content | 170 } // namespace content |
168 | 171 |
169 #endif // CONTENT_BROWSER_CHILD_PROCESS_LAUNCHER_H_ | 172 #endif // CONTENT_BROWSER_CHILD_PROCESS_LAUNCHER_H_ |
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