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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 #include "services/shell/runner/host/child_process_base.h" | 5 #include "services/shell/runner/host/child_process_base.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "base/macros.h" | 8 #include "base/macros.h" |
9 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
10 #include "base/message_loop/message_loop.h" | 10 #include "base/message_loop/message_loop.h" |
11 #include "base/single_thread_task_runner.h" | 11 #include "base/single_thread_task_runner.h" |
12 #include "base/synchronization/waitable_event.h" | 12 #include "base/synchronization/waitable_event.h" |
13 #include "base/threading/thread.h" | 13 #include "base/threading/thread.h" |
14 #include "mojo/edk/embedder/embedder.h" | 14 #include "mojo/edk/embedder/embedder.h" |
15 #include "mojo/edk/embedder/process_delegate.h" | 15 #include "mojo/edk/embedder/process_delegate.h" |
16 #include "services/shell/runner/common/client_util.h" | 16 #include "services/shell/runner/common/client_util.h" |
17 | 17 |
18 namespace mojo { | |
19 namespace shell { | 18 namespace shell { |
20 | 19 |
21 namespace { | 20 namespace { |
22 | 21 |
23 // Should be created and initialized on the main thread and kept alive as long | 22 // Should be created and initialized on the main thread and kept alive as long |
24 // a Mojo application is running in the current process. | 23 // a Mojo application is running in the current process. |
25 class ScopedAppContext : public edk::ProcessDelegate { | 24 class ScopedAppContext : public mojo::edk::ProcessDelegate { |
26 public: | 25 public: |
27 ScopedAppContext() | 26 ScopedAppContext() |
28 : io_thread_("io_thread"), wait_for_shutdown_event_(true, false) { | 27 : io_thread_("io_thread"), wait_for_shutdown_event_(true, false) { |
29 // Initialize Mojo before starting any threads. | 28 // Initialize Mojo before starting any threads. |
30 edk::Init(); | 29 mojo::edk::Init(); |
31 | 30 |
32 // Create and start our I/O thread. | 31 // Create and start our I/O thread. |
33 base::Thread::Options io_thread_options(base::MessageLoop::TYPE_IO, 0); | 32 base::Thread::Options io_thread_options(base::MessageLoop::TYPE_IO, 0); |
34 CHECK(io_thread_.StartWithOptions(io_thread_options)); | 33 CHECK(io_thread_.StartWithOptions(io_thread_options)); |
35 io_runner_ = io_thread_.task_runner().get(); | 34 io_runner_ = io_thread_.task_runner().get(); |
36 CHECK(io_runner_.get()); | 35 CHECK(io_runner_.get()); |
37 | 36 |
38 edk::InitIPCSupport(this, io_runner_); | 37 mojo::edk::InitIPCSupport(this, io_runner_); |
39 edk::SetParentPipeHandleFromCommandLine(); | 38 mojo::edk::SetParentPipeHandleFromCommandLine(); |
40 } | 39 } |
41 | 40 |
42 ~ScopedAppContext() override { | 41 ~ScopedAppContext() override { |
43 edk::ShutdownIPCSupport(); | 42 mojo::edk::ShutdownIPCSupport(); |
44 wait_for_shutdown_event_.Wait(); | 43 wait_for_shutdown_event_.Wait(); |
45 } | 44 } |
46 | 45 |
47 private: | 46 private: |
48 // ProcessDelegate implementation. | 47 // ProcessDelegate implementation. |
49 void OnShutdownComplete() override { | 48 void OnShutdownComplete() override { |
50 wait_for_shutdown_event_.Signal(); | 49 wait_for_shutdown_event_.Signal(); |
51 } | 50 } |
52 | 51 |
53 base::Thread io_thread_; | 52 base::Thread io_thread_; |
54 scoped_refptr<base::SingleThreadTaskRunner> io_runner_; | 53 scoped_refptr<base::SingleThreadTaskRunner> io_runner_; |
55 | 54 |
56 // Used to unblock the main thread on shutdown. | 55 // Used to unblock the main thread on shutdown. |
57 base::WaitableEvent wait_for_shutdown_event_; | 56 base::WaitableEvent wait_for_shutdown_event_; |
58 | 57 |
59 DISALLOW_COPY_AND_ASSIGN(ScopedAppContext); | 58 DISALLOW_COPY_AND_ASSIGN(ScopedAppContext); |
60 }; | 59 }; |
61 | 60 |
62 } // namespace | 61 } // namespace |
63 | 62 |
64 void ChildProcessMain(const RunCallback& callback) { | 63 void ChildProcessMain(const RunCallback& callback) { |
65 DCHECK(!base::MessageLoop::current()); | 64 DCHECK(!base::MessageLoop::current()); |
66 | 65 |
67 ScopedAppContext app_context; | 66 ScopedAppContext app_context; |
68 callback.Run(GetShellClientRequestFromCommandLine()); | 67 callback.Run(GetShellClientRequestFromCommandLine()); |
69 } | 68 } |
70 | 69 |
71 } // namespace shell | 70 } // namespace shell |
72 } // namespace mojo | |
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