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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 SERVICES_SHELL_RUNNER_HOST_CHILD_PROCESS_HOST_H_ | 5 #ifndef SERVICES_SHELL_RUNNER_HOST_CHILD_PROCESS_HOST_H_ |
| 6 #define SERVICES_SHELL_RUNNER_HOST_CHILD_PROCESS_HOST_H_ | 6 #define SERVICES_SHELL_RUNNER_HOST_CHILD_PROCESS_HOST_H_ |
| 7 | 7 |
| 8 #include <stdint.h> | 8 #include <stdint.h> |
| 9 | 9 |
| 10 #include <memory> |
| 10 #include <string> | 11 #include <string> |
| 11 | 12 |
| 12 #include "base/callback.h" | 13 #include "base/callback.h" |
| 13 #include "base/command_line.h" | 14 #include "base/command_line.h" |
| 14 #include "base/files/file_path.h" | 15 #include "base/files/file_path.h" |
| 15 #include "base/macros.h" | 16 #include "base/macros.h" |
| 16 #include "base/memory/ref_counted.h" | 17 #include "base/memory/ref_counted.h" |
| 17 #include "base/memory/scoped_ptr.h" | |
| 18 #include "base/memory/weak_ptr.h" | 18 #include "base/memory/weak_ptr.h" |
| 19 #include "base/process/process.h" | 19 #include "base/process/process.h" |
| 20 #include "base/synchronization/lock.h" | 20 #include "base/synchronization/lock.h" |
| 21 #include "base/synchronization/waitable_event.h" | 21 #include "base/synchronization/waitable_event.h" |
| 22 #include "mojo/edk/embedder/platform_channel_pair.h" | 22 #include "mojo/edk/embedder/platform_channel_pair.h" |
| 23 #include "mojo/public/cpp/system/message_pipe.h" | 23 #include "mojo/public/cpp/system/message_pipe.h" |
| 24 #include "services/shell/public/cpp/identity.h" | 24 #include "services/shell/public/cpp/identity.h" |
| 25 #include "services/shell/public/interfaces/shell_client_factory.mojom.h" | 25 #include "services/shell/public/interfaces/shell_client_factory.mojom.h" |
| 26 #include "services/shell/runner/host/child_process_host.h" | 26 #include "services/shell/runner/host/child_process_host.h" |
| 27 | 27 |
| 28 namespace base { | 28 namespace base { |
| 29 class TaskRunner; | 29 class TaskRunner; |
| 30 } | 30 } |
| 31 | 31 |
| 32 namespace mojo { | |
| 33 class Identity; | |
| 34 namespace shell { | 32 namespace shell { |
| 35 | 33 |
| 34 class Identity; |
| 36 class NativeRunnerDelegate; | 35 class NativeRunnerDelegate; |
| 37 | 36 |
| 38 // This class represents a "child process host". Handles launching and | 37 // This class represents a "child process host". Handles launching and |
| 39 // connecting a platform-specific "pipe" to the child, and supports joining the | 38 // connecting a platform-specific "pipe" to the child, and supports joining the |
| 40 // child process. Currently runs a single app (loaded from the file system). | 39 // child process. Currently runs a single app (loaded from the file system). |
| 41 // | 40 // |
| 42 // This class is not thread-safe. It should be created/used/destroyed on a | 41 // This class is not thread-safe. It should be created/used/destroyed on a |
| 43 // single thread. | 42 // single thread. |
| 44 // | 43 // |
| 45 // Note: Does not currently work on Windows before Vista. | 44 // Note: Does not currently work on Windows before Vista. |
| (...skipping 19 matching lines...) Expand all Loading... |
| 65 const ProcessReadyCallback& callback, | 64 const ProcessReadyCallback& callback, |
| 66 const base::Closure& quit_closure); | 65 const base::Closure& quit_closure); |
| 67 | 66 |
| 68 // Waits for the child process to terminate. | 67 // Waits for the child process to terminate. |
| 69 void Join(); | 68 void Join(); |
| 70 | 69 |
| 71 protected: | 70 protected: |
| 72 void DidStart(const ProcessReadyCallback& callback); | 71 void DidStart(const ProcessReadyCallback& callback); |
| 73 | 72 |
| 74 private: | 73 private: |
| 75 void DoLaunch(scoped_ptr<base::CommandLine> child_command_line); | 74 void DoLaunch(std::unique_ptr<base::CommandLine> child_command_line); |
| 76 | 75 |
| 77 scoped_refptr<base::TaskRunner> launch_process_runner_; | 76 scoped_refptr<base::TaskRunner> launch_process_runner_; |
| 78 NativeRunnerDelegate* delegate_ = nullptr; | 77 NativeRunnerDelegate* delegate_ = nullptr; |
| 79 bool start_sandboxed_ = false; | 78 bool start_sandboxed_ = false; |
| 80 Identity target_; | 79 Identity target_; |
| 81 const base::FilePath app_path_; | 80 const base::FilePath app_path_; |
| 82 base::Process child_process_; | 81 base::Process child_process_; |
| 83 | 82 |
| 84 // Used to initialize the Mojo IPC channel between parent and child. | 83 // Used to initialize the Mojo IPC channel between parent and child. |
| 85 scoped_ptr<edk::PlatformChannelPair> mojo_ipc_channel_; | 84 std::unique_ptr<mojo::edk::PlatformChannelPair> mojo_ipc_channel_; |
| 86 edk::HandlePassingInformation handle_passing_info_; | 85 mojo::edk::HandlePassingInformation handle_passing_info_; |
| 87 | 86 |
| 88 // Since Start() calls a method on another thread, we use an event to block | 87 // Since Start() calls a method on another thread, we use an event to block |
| 89 // the main thread if it tries to destruct |this| while launching the process. | 88 // the main thread if it tries to destruct |this| while launching the process. |
| 90 base::WaitableEvent start_child_process_event_; | 89 base::WaitableEvent start_child_process_event_; |
| 91 | 90 |
| 92 base::WeakPtrFactory<ChildProcessHost> weak_factory_; | 91 base::WeakPtrFactory<ChildProcessHost> weak_factory_; |
| 93 | 92 |
| 94 DISALLOW_COPY_AND_ASSIGN(ChildProcessHost); | 93 DISALLOW_COPY_AND_ASSIGN(ChildProcessHost); |
| 95 }; | 94 }; |
| 96 | 95 |
| 97 } // namespace shell | 96 } // namespace shell |
| 98 } // namespace mojo | |
| 99 | 97 |
| 100 #endif // SERVICES_SHELL_RUNNER_HOST_CHILD_PROCESS_HOST_H_ | 98 #endif // SERVICES_SHELL_RUNNER_HOST_CHILD_PROCESS_HOST_H_ |
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