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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/renderer/render_process_impl.h" | 5 #include "content/renderer/render_process_impl.h" |
6 | 6 |
7 #include "build/build_config.h" | 7 #include "build/build_config.h" |
8 | 8 |
9 #if defined(OS_WIN) | 9 #if defined(OS_WIN) |
10 #include <windows.h> | 10 #include <windows.h> |
11 #include <objidl.h> | 11 #include <objidl.h> |
12 #include <mlang.h> | 12 #include <mlang.h> |
13 #endif | 13 #endif |
14 | 14 |
15 #include <stddef.h> | |
16 | |
17 #include <vector> | |
18 | |
15 #include "base/command_line.h" | 19 #include "base/command_line.h" |
16 #include "base/compiler_specific.h" | 20 #include "base/compiler_specific.h" |
17 #include "base/feature_list.h" | 21 #include "base/feature_list.h" |
18 #include "base/sys_info.h" | 22 #include "base/sys_info.h" |
23 #include "base/task_scheduler/scheduler_worker_pool_params.h" | |
24 #include "base/task_scheduler/task_scheduler.h" | |
25 #include "base/task_scheduler/task_traits.h" | |
26 #include "base/threading/sequenced_worker_pool.h" | |
19 #include "content/child/site_isolation_stats_gatherer.h" | 27 #include "content/child/site_isolation_stats_gatherer.h" |
20 #include "content/public/common/content_features.h" | 28 #include "content/public/common/content_features.h" |
21 #include "content/public/common/content_switches.h" | 29 #include "content/public/common/content_switches.h" |
22 #include "content/public/renderer/content_renderer_client.h" | 30 #include "content/public/renderer/content_renderer_client.h" |
23 #include "third_party/WebKit/public/web/WebFrame.h" | 31 #include "third_party/WebKit/public/web/WebFrame.h" |
24 #include "v8/include/v8.h" | 32 #include "v8/include/v8.h" |
25 | 33 |
26 namespace { | 34 namespace { |
27 | 35 |
28 const base::Feature kV8_ES2015_TailCalls_Feature { | 36 const base::Feature kV8_ES2015_TailCalls_Feature { |
(...skipping 14 matching lines...) Expand all Loading... | |
43 v8::V8::SetFlagsFromString(v8_flag, strlen(v8_flag)); | 51 v8::V8::SetFlagsFromString(v8_flag, strlen(v8_flag)); |
44 } | 52 } |
45 } | 53 } |
46 | 54 |
47 void SetV8FlagIfHasSwitch(const char* switch_name, const char* v8_flag) { | 55 void SetV8FlagIfHasSwitch(const char* switch_name, const char* v8_flag) { |
48 if (base::CommandLine::ForCurrentProcess()->HasSwitch(switch_name)) { | 56 if (base::CommandLine::ForCurrentProcess()->HasSwitch(switch_name)) { |
49 v8::V8::SetFlagsFromString(v8_flag, strlen(v8_flag)); | 57 v8::V8::SetFlagsFromString(v8_flag, strlen(v8_flag)); |
50 } | 58 } |
51 } | 59 } |
52 | 60 |
61 bool IsSingleProcess() { | |
62 return base::CommandLine::ForCurrentProcess()->HasSwitch( | |
63 switches::kSingleProcess); | |
64 } | |
65 | |
66 enum WorkerPoolType : size_t { | |
67 BACKGROUND_WORKER_POOL = 0, | |
68 FOREGROUND_WORKER_POOL, | |
69 WORKER_POOL_COUNT // Always last. | |
70 }; | |
71 | |
72 size_t GetTaskSchedulerWorkerPoolIndexForTraits( | |
73 const base::TaskTraits& traits) { | |
74 return traits.priority() == base::TaskPriority::BACKGROUND | |
gab
2016/11/15 20:25:05
DCHECK(!traits.with_file_io());
fdoray
2016/11/16 16:40:52
Done.
| |
75 ? BACKGROUND_WORKER_POOL | |
76 : FOREGROUND_WORKER_POOL; | |
77 } | |
78 | |
79 void InitializeTaskScheduler() { | |
80 if (IsSingleProcess()) { | |
81 // If this renderer runs in the browser process, there should already be a | |
82 // TaskScheduler and redirection settings shouldn't be changed. | |
83 DCHECK(base::TaskScheduler::GetInstance()); | |
84 return; | |
85 } | |
86 DCHECK(!base::TaskScheduler::GetInstance()); | |
87 | |
88 int max_background_threads = 0; | |
89 base::TimeDelta background_reclaim_time; | |
90 int max_foreground_threads = 0; | |
91 base::TimeDelta foreground_reclaim_time; | |
92 bool redirect_sequenced_worker_pool = false; | |
93 | |
94 content::GetContentClient() | |
95 ->renderer() | |
96 ->GetTaskSchedulerInitializationArguments( | |
97 &max_background_threads, &background_reclaim_time, | |
98 &max_foreground_threads, &foreground_reclaim_time, | |
99 &redirect_sequenced_worker_pool); | |
100 | |
101 DCHECK_GT(max_background_threads, 0); | |
robliao
2016/11/15 20:31:51
Hitting this DCHECK and the one below seems like i
robliao
2016/11/15 20:32:36
create tasks -> run tasks
gab
2016/11/15 20:42:47
No need to CHECK IMO, DCHECK documents runtime inv
robliao
2016/11/15 20:49:08
This would be pretty fatal to the process. We alre
gab
2016/11/15 22:04:30
But the CHECK in SchedulerWorkerPoolImpl::Initiali
fdoray
2016/11/16 16:40:52
These DCHECKs will only fail if GetTaskSchedulerIn
gab
2016/11/16 16:58:06
Agreed.
| |
102 DCHECK(!background_reclaim_time.is_zero()); | |
103 DCHECK_GT(max_foreground_threads, 0); | |
104 DCHECK(!foreground_reclaim_time.is_zero()); | |
105 | |
106 std::vector<base::SchedulerWorkerPoolParams> worker_pool_params_vector; | |
107 DCHECK_EQ(BACKGROUND_WORKER_POOL, worker_pool_params_vector.size()); | |
108 worker_pool_params_vector.emplace_back( | |
109 "RendererBackground", base::ThreadPriority::BACKGROUND, | |
110 base::SchedulerWorkerPoolParams::IORestriction::DISALLOWED, | |
111 max_background_threads, background_reclaim_time); | |
112 DCHECK_EQ(FOREGROUND_WORKER_POOL, worker_pool_params_vector.size()); | |
113 worker_pool_params_vector.emplace_back( | |
114 "RendererForeground", base::ThreadPriority::NORMAL, | |
115 base::SchedulerWorkerPoolParams::IORestriction::DISALLOWED, | |
116 max_foreground_threads, foreground_reclaim_time); | |
117 DCHECK_EQ(WORKER_POOL_COUNT, worker_pool_params_vector.size()); | |
118 | |
119 base::TaskScheduler::CreateAndSetDefaultTaskScheduler( | |
120 worker_pool_params_vector, | |
121 base::Bind(&GetTaskSchedulerWorkerPoolIndexForTraits)); | |
122 | |
123 if (redirect_sequenced_worker_pool) | |
124 base::SequencedWorkerPool::RedirectToTaskSchedulerForProcess(); | |
125 } | |
126 | |
53 } // namespace | 127 } // namespace |
54 | 128 |
55 namespace content { | 129 namespace content { |
56 | 130 |
57 RenderProcessImpl::RenderProcessImpl() | 131 RenderProcessImpl::RenderProcessImpl() |
58 : enabled_bindings_(0) { | 132 : enabled_bindings_(0) { |
59 #if defined(OS_WIN) | 133 #if defined(OS_WIN) |
60 // HACK: See http://b/issue?id=1024307 for rationale. | 134 // HACK: See http://b/issue?id=1024307 for rationale. |
61 if (GetModuleHandle(L"LPK.DLL") == NULL) { | 135 if (GetModuleHandle(L"LPK.DLL") == NULL) { |
62 // Makes sure lpk.dll is loaded by gdi32 to make sure ExtTextOut() works | 136 // Makes sure lpk.dll is loaded by gdi32 to make sure ExtTextOut() works |
(...skipping 33 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
96 *base::CommandLine::ForCurrentProcess(); | 170 *base::CommandLine::ForCurrentProcess(); |
97 | 171 |
98 if (command_line.HasSwitch(switches::kJavaScriptFlags)) { | 172 if (command_line.HasSwitch(switches::kJavaScriptFlags)) { |
99 std::string flags( | 173 std::string flags( |
100 command_line.GetSwitchValueASCII(switches::kJavaScriptFlags)); | 174 command_line.GetSwitchValueASCII(switches::kJavaScriptFlags)); |
101 v8::V8::SetFlagsFromString(flags.c_str(), static_cast<int>(flags.size())); | 175 v8::V8::SetFlagsFromString(flags.c_str(), static_cast<int>(flags.size())); |
102 } | 176 } |
103 | 177 |
104 SiteIsolationStatsGatherer::SetEnabled( | 178 SiteIsolationStatsGatherer::SetEnabled( |
105 GetContentClient()->renderer()->ShouldGatherSiteIsolationStats()); | 179 GetContentClient()->renderer()->ShouldGatherSiteIsolationStats()); |
180 | |
181 InitializeTaskScheduler(); | |
106 } | 182 } |
107 | 183 |
108 RenderProcessImpl::~RenderProcessImpl() { | 184 RenderProcessImpl::~RenderProcessImpl() { |
109 #ifndef NDEBUG | 185 #ifndef NDEBUG |
110 int count = blink::WebFrame::instanceCount(); | 186 int count = blink::WebFrame::instanceCount(); |
111 if (count) | 187 if (count) |
112 DLOG(ERROR) << "WebFrame LEAKED " << count << " TIMES"; | 188 DLOG(ERROR) << "WebFrame LEAKED " << count << " TIMES"; |
113 #endif | 189 #endif |
114 | 190 |
191 if (!IsSingleProcess()) { | |
192 DCHECK(base::TaskScheduler::GetInstance()); | |
193 base::TaskScheduler::GetInstance()->Shutdown(); | |
194 } | |
195 | |
115 GetShutDownEvent()->Signal(); | 196 GetShutDownEvent()->Signal(); |
116 } | 197 } |
117 | 198 |
118 void RenderProcessImpl::AddBindings(int bindings) { | 199 void RenderProcessImpl::AddBindings(int bindings) { |
119 enabled_bindings_ |= bindings; | 200 enabled_bindings_ |= bindings; |
120 } | 201 } |
121 | 202 |
122 int RenderProcessImpl::GetEnabledBindings() const { | 203 int RenderProcessImpl::GetEnabledBindings() const { |
123 return enabled_bindings_; | 204 return enabled_bindings_; |
124 } | 205 } |
125 | 206 |
126 } // namespace content | 207 } // namespace content |
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