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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 #include "content/child/child_process.h" | 5 #include "content/child/child_process.h" |
6 | 6 |
7 #include <string.h> | 7 #include <string.h> |
8 | 8 |
9 #include "base/bind.h" | 9 #include "base/bind.h" |
10 #include "base/lazy_instance.h" | 10 #include "base/lazy_instance.h" |
11 #include "base/message_loop/message_loop.h" | 11 #include "base/message_loop/message_loop.h" |
12 #include "base/metrics/statistics_recorder.h" | 12 #include "base/metrics/statistics_recorder.h" |
13 #include "base/process/process_handle.h" | 13 #include "base/process/process_handle.h" |
14 #include "base/single_thread_task_runner.h" | 14 #include "base/single_thread_task_runner.h" |
15 #include "base/strings/string_number_conversions.h" | 15 #include "base/strings/string_number_conversions.h" |
16 #include "base/strings/utf_string_conversions.h" | 16 #include "base/strings/utf_string_conversions.h" |
| 17 #include "base/task_scheduler/task_scheduler.h" |
17 #include "base/threading/thread.h" | 18 #include "base/threading/thread.h" |
18 #include "base/threading/thread_local.h" | 19 #include "base/threading/thread_local.h" |
19 #include "build/build_config.h" | 20 #include "build/build_config.h" |
20 #include "content/child/child_thread_impl.h" | 21 #include "content/child/child_thread_impl.h" |
21 | 22 |
22 #if defined(OS_ANDROID) | 23 #if defined(OS_ANDROID) |
23 #include "base/debug/debugger.h" | 24 #include "base/debug/debugger.h" |
24 #endif | 25 #endif |
25 | 26 |
26 #if defined(OS_POSIX) && !defined(OS_ANDROID) | 27 #if defined(OS_POSIX) && !defined(OS_ANDROID) |
27 #include <signal.h> | 28 #include <signal.h> |
28 static void SigUSR1Handler(int signal) { } | 29 static void SigUSR1Handler(int signal) { } |
29 #endif | 30 #endif |
30 | 31 |
31 namespace content { | 32 namespace content { |
32 | 33 |
33 namespace { | 34 namespace { |
34 base::LazyInstance<base::ThreadLocalPointer<ChildProcess>>::DestructorAtExit | 35 base::LazyInstance<base::ThreadLocalPointer<ChildProcess>>::DestructorAtExit |
35 g_lazy_tls = LAZY_INSTANCE_INITIALIZER; | 36 g_lazy_tls = LAZY_INSTANCE_INITIALIZER; |
36 } | 37 } |
37 | 38 |
38 ChildProcess::ChildProcess( | 39 ChildProcess::ChildProcess( |
39 base::ThreadPriority io_thread_priority, | 40 base::ThreadPriority io_thread_priority, |
40 const std::vector<base::SchedulerWorkerPoolParams>& worker_pool_params, | 41 const std::string& task_scheduler_name, |
41 base::TaskScheduler::WorkerPoolIndexForTraitsCallback | 42 std::unique_ptr<base::TaskScheduler::InitParams> task_scheduler_init_params) |
42 worker_pool_index_for_traits_callback) | |
43 : ref_count_(0), | 43 : ref_count_(0), |
44 shutdown_event_(base::WaitableEvent::ResetPolicy::MANUAL, | 44 shutdown_event_(base::WaitableEvent::ResetPolicy::MANUAL, |
45 base::WaitableEvent::InitialState::NOT_SIGNALED), | 45 base::WaitableEvent::InitialState::NOT_SIGNALED), |
46 io_thread_("Chrome_ChildIOThread") { | 46 io_thread_("Chrome_ChildIOThread") { |
47 DCHECK(!g_lazy_tls.Pointer()->Get()); | 47 DCHECK(!g_lazy_tls.Pointer()->Get()); |
48 g_lazy_tls.Pointer()->Set(this); | 48 g_lazy_tls.Pointer()->Set(this); |
49 | 49 |
50 base::StatisticsRecorder::Initialize(); | 50 base::StatisticsRecorder::Initialize(); |
51 | 51 |
52 // Initialize TaskScheduler if not already done. A TaskScheduler may already | 52 // Initialize TaskScheduler if not already done. A TaskScheduler may already |
53 // exist when ChildProcess is instantiated in the browser process or in a | 53 // exist when ChildProcess is instantiated in the browser process or in a |
54 // test process. | 54 // test process. |
55 if (!base::TaskScheduler::GetInstance()) { | 55 if (!base::TaskScheduler::GetInstance()) { |
56 if (worker_pool_params.empty()) { | 56 if (task_scheduler_init_params) { |
57 DCHECK(!worker_pool_index_for_traits_callback); | 57 base::TaskScheduler::CreateAndSetDefaultTaskScheduler( |
58 base::TaskScheduler::CreateAndSetSimpleTaskScheduler("ContentChild"); | 58 task_scheduler_name, *task_scheduler_init_params.get()); |
59 } else { | 59 } else { |
60 DCHECK(worker_pool_index_for_traits_callback); | 60 base::TaskScheduler::CreateAndSetSimpleTaskScheduler(task_scheduler_name); |
61 base::TaskScheduler::CreateAndSetDefaultTaskScheduler( | |
62 worker_pool_params, std::move(worker_pool_index_for_traits_callback)); | |
63 } | 61 } |
64 | 62 |
65 DCHECK(base::TaskScheduler::GetInstance()); | 63 DCHECK(base::TaskScheduler::GetInstance()); |
66 initialized_task_scheduler_ = true; | 64 initialized_task_scheduler_ = true; |
67 } | 65 } |
68 | 66 |
69 // We can't recover from failing to start the IO thread. | 67 // We can't recover from failing to start the IO thread. |
70 base::Thread::Options thread_options(base::MessageLoop::TYPE_IO, 0); | 68 base::Thread::Options thread_options(base::MessageLoop::TYPE_IO, 0); |
71 thread_options.priority = io_thread_priority; | 69 thread_options.priority = io_thread_priority; |
72 #if defined(OS_ANDROID) | 70 #if defined(OS_ANDROID) |
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180 memset(&sa, 0, sizeof(sa)); | 178 memset(&sa, 0, sizeof(sa)); |
181 sa.sa_handler = SigUSR1Handler; | 179 sa.sa_handler = SigUSR1Handler; |
182 sigaction(SIGUSR1, &sa, NULL); | 180 sigaction(SIGUSR1, &sa, NULL); |
183 | 181 |
184 pause(); | 182 pause(); |
185 #endif // defined(OS_ANDROID) | 183 #endif // defined(OS_ANDROID) |
186 #endif // defined(OS_POSIX) | 184 #endif // defined(OS_POSIX) |
187 } | 185 } |
188 | 186 |
189 } // namespace content | 187 } // namespace content |
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