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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 MOJO_SHELL_RUNNER_CHILD_RUNNER_CONNECTION_H_ | 5 #ifndef MOJO_SHELL_RUNNER_CHILD_RUNNER_CONNECTION_H_ |
6 #define MOJO_SHELL_RUNNER_CHILD_RUNNER_CONNECTION_H_ | 6 #define MOJO_SHELL_RUNNER_CHILD_RUNNER_CONNECTION_H_ |
7 | 7 |
8 #include "base/macros.h" | 8 #include "base/macros.h" |
9 #include "mojo/shell/public/interfaces/shell_client.mojom.h" | 9 #include "mojo/shell/public/interfaces/shell_client.mojom.h" |
10 | 10 |
11 namespace mojo { | 11 namespace mojo { |
12 namespace shell { | 12 namespace shell { |
13 | 13 |
14 // Encapsulates a connection to a runner process. The connection object starts a | 14 // Encapsulates a connection to a runner process. The connection object starts a |
15 // background controller thread that is used to receive control messages from | 15 // background controller thread that is used to receive control messages from |
16 // the runner. When this object is destroyed the thread is joined. | 16 // the runner. When this object is destroyed the thread is joined. |
17 class RunnerConnection { | 17 class RunnerConnection { |
18 public: | 18 public: |
19 virtual ~RunnerConnection(); | 19 virtual ~RunnerConnection(); |
20 | 20 |
21 // Establish a connection to the runner, blocking the calling thread until | 21 // Establish a connection to the runner, blocking the calling thread until |
22 // it is established. The Application request from the runner is returned via | 22 // it is established. The Application request from the runner is returned via |
23 // |request|. | 23 // |request|. |
24 // If a connection to the runner cannot be established, |request| will not be | 24 // If a connection to the runner cannot be established, |request| will not be |
25 // modified and this function will return null. | 25 // modified and this function will return null. |
| 26 // |
| 27 // If |exit_on_error| is true, the calling process will be terminated in the |
| 28 // event of an error on |handle|. |
| 29 // |
| 30 // TODO(rockot): Remove this flag when it's safe for all clients to be |
| 31 // terminated on such errors. For now, e.g., we don't want this killing |
| 32 // content child processes. |
26 static RunnerConnection* ConnectToRunner( | 33 static RunnerConnection* ConnectToRunner( |
27 InterfaceRequest<mojom::ShellClient>* request, | 34 InterfaceRequest<mojom::ShellClient>* request, |
28 ScopedMessagePipeHandle handle); | 35 ScopedMessagePipeHandle handle, |
| 36 bool exit_on_error = true); |
29 | 37 |
30 protected: | 38 protected: |
31 RunnerConnection(); | 39 RunnerConnection(); |
32 | 40 |
33 private: | 41 private: |
34 DISALLOW_COPY_AND_ASSIGN(RunnerConnection); | 42 DISALLOW_COPY_AND_ASSIGN(RunnerConnection); |
35 }; | 43 }; |
36 | 44 |
37 } // namespace shell | 45 } // namespace shell |
38 } // namespace mojo | 46 } // namespace mojo |
39 | 47 |
40 #endif // MOJO_SHELL_RUNNER_CHILD_RUNNER_CONNECTION_H_ | 48 #endif // MOJO_SHELL_RUNNER_CHILD_RUNNER_CONNECTION_H_ |
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