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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/browser/browser_thread_impl.h" | 5 #include "content/browser/browser_thread_impl.h" |
| 6 | 6 |
| 7 #include <string.h> | 7 #include <string.h> |
| 8 | 8 |
| 9 #include <string> | 9 #include <string> |
| 10 | 10 |
| 11 #include "base/atomicops.h" | 11 #include "base/atomicops.h" |
| 12 #include "base/bind.h" | 12 #include "base/bind.h" |
| 13 #include "base/compiler_specific.h" | 13 #include "base/compiler_specific.h" |
| 14 #include "base/lazy_instance.h" | 14 #include "base/lazy_instance.h" |
| 15 #include "base/macros.h" | 15 #include "base/macros.h" |
| 16 #include "base/profiler/scoped_tracker.h" | 16 #include "base/profiler/scoped_tracker.h" |
| 17 #include "base/run_loop.h" |
| 17 #include "base/single_thread_task_runner.h" | 18 #include "base/single_thread_task_runner.h" |
| 18 #include "base/threading/platform_thread.h" | 19 #include "base/threading/platform_thread.h" |
| 19 #include "base/threading/sequenced_worker_pool.h" | 20 #include "base/threading/sequenced_worker_pool.h" |
| 20 #include "build/build_config.h" | 21 #include "build/build_config.h" |
| 21 #include "content/public/browser/browser_thread_delegate.h" | 22 #include "content/public/browser/browser_thread_delegate.h" |
| 22 #include "content/public/browser/content_browser_client.h" | 23 #include "content/public/browser/content_browser_client.h" |
| 23 #include "net/disk_cache/simple/simple_backend_impl.h" | 24 #include "net/disk_cache/simple/simple_backend_impl.h" |
| 24 | 25 |
| 25 #if defined(OS_ANDROID) | 26 #if defined(OS_ANDROID) |
| 26 #include "base/android/jni_android.h" | 27 #include "base/android/jni_android.h" |
| (...skipping 144 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 171 reinterpret_cast<BrowserThreadDelegate*>(stored_pointer); | 172 reinterpret_cast<BrowserThreadDelegate*>(stored_pointer); |
| 172 if (delegate) | 173 if (delegate) |
| 173 delegate->Init(); | 174 delegate->Init(); |
| 174 } | 175 } |
| 175 | 176 |
| 176 // We disable optimizations for this block of functions so the compiler doesn't | 177 // We disable optimizations for this block of functions so the compiler doesn't |
| 177 // merge them all together. | 178 // merge them all together. |
| 178 MSVC_DISABLE_OPTIMIZE() | 179 MSVC_DISABLE_OPTIMIZE() |
| 179 MSVC_PUSH_DISABLE_WARNING(4748) | 180 MSVC_PUSH_DISABLE_WARNING(4748) |
| 180 | 181 |
| 181 NOINLINE void BrowserThreadImpl::UIThreadRun(base::MessageLoop* message_loop) { | 182 NOINLINE void BrowserThreadImpl::UIThreadRun(base::RunLoop* run_loop) { |
| 182 volatile int line_number = __LINE__; | 183 volatile int line_number = __LINE__; |
| 183 Thread::Run(message_loop); | 184 Thread::Run(run_loop); |
| 184 CHECK_GT(line_number, 0); | 185 CHECK_GT(line_number, 0); |
| 185 } | 186 } |
| 186 | 187 |
| 187 NOINLINE void BrowserThreadImpl::DBThreadRun(base::MessageLoop* message_loop) { | 188 NOINLINE void BrowserThreadImpl::DBThreadRun(base::RunLoop* run_loop) { |
| 188 volatile int line_number = __LINE__; | 189 volatile int line_number = __LINE__; |
| 189 Thread::Run(message_loop); | 190 Thread::Run(run_loop); |
| 190 CHECK_GT(line_number, 0); | 191 CHECK_GT(line_number, 0); |
| 191 } | 192 } |
| 192 | 193 |
| 193 NOINLINE void BrowserThreadImpl::FileThreadRun( | 194 NOINLINE void BrowserThreadImpl::FileThreadRun(base::RunLoop* run_loop) { |
| 194 base::MessageLoop* message_loop) { | |
| 195 volatile int line_number = __LINE__; | 195 volatile int line_number = __LINE__; |
| 196 Thread::Run(message_loop); | 196 Thread::Run(run_loop); |
| 197 CHECK_GT(line_number, 0); | 197 CHECK_GT(line_number, 0); |
| 198 } | 198 } |
| 199 | 199 |
| 200 NOINLINE void BrowserThreadImpl::FileUserBlockingThreadRun( | 200 NOINLINE void BrowserThreadImpl::FileUserBlockingThreadRun( |
| 201 base::MessageLoop* message_loop) { | 201 base::RunLoop* run_loop) { |
| 202 volatile int line_number = __LINE__; | 202 volatile int line_number = __LINE__; |
| 203 Thread::Run(message_loop); | 203 Thread::Run(run_loop); |
| 204 CHECK_GT(line_number, 0); | 204 CHECK_GT(line_number, 0); |
| 205 } | 205 } |
| 206 | 206 |
| 207 NOINLINE void BrowserThreadImpl::ProcessLauncherThreadRun( | 207 NOINLINE void BrowserThreadImpl::ProcessLauncherThreadRun( |
| 208 base::MessageLoop* message_loop) { | 208 base::RunLoop* run_loop) { |
| 209 volatile int line_number = __LINE__; | 209 volatile int line_number = __LINE__; |
| 210 Thread::Run(message_loop); | 210 Thread::Run(run_loop); |
| 211 CHECK_GT(line_number, 0); | 211 CHECK_GT(line_number, 0); |
| 212 } | 212 } |
| 213 | 213 |
| 214 NOINLINE void BrowserThreadImpl::CacheThreadRun( | 214 NOINLINE void BrowserThreadImpl::CacheThreadRun(base::RunLoop* run_loop) { |
| 215 base::MessageLoop* message_loop) { | |
| 216 volatile int line_number = __LINE__; | 215 volatile int line_number = __LINE__; |
| 217 Thread::Run(message_loop); | 216 Thread::Run(run_loop); |
| 218 CHECK_GT(line_number, 0); | 217 CHECK_GT(line_number, 0); |
| 219 } | 218 } |
| 220 | 219 |
| 221 NOINLINE void BrowserThreadImpl::IOThreadRun(base::MessageLoop* message_loop) { | 220 NOINLINE void BrowserThreadImpl::IOThreadRun(base::RunLoop* run_loop) { |
| 222 volatile int line_number = __LINE__; | 221 volatile int line_number = __LINE__; |
| 223 Thread::Run(message_loop); | 222 Thread::Run(run_loop); |
| 224 CHECK_GT(line_number, 0); | 223 CHECK_GT(line_number, 0); |
| 225 } | 224 } |
| 226 | 225 |
| 227 MSVC_POP_WARNING() | 226 MSVC_POP_WARNING() |
| 228 MSVC_ENABLE_OPTIMIZE(); | 227 MSVC_ENABLE_OPTIMIZE(); |
| 229 | 228 |
| 230 void BrowserThreadImpl::Run(base::MessageLoop* message_loop) { | 229 void BrowserThreadImpl::Run(base::RunLoop* run_loop) { |
| 231 #if defined(OS_ANDROID) | 230 #if defined(OS_ANDROID) |
| 232 // Not to reset thread name to "Thread-???" by VM, attach VM with thread name. | 231 // Not to reset thread name to "Thread-???" by VM, attach VM with thread name. |
| 233 // Though it may create unnecessary VM thread objects, keeping thread name | 232 // Though it may create unnecessary VM thread objects, keeping thread name |
| 234 // gives more benefit in debugging in the platform. | 233 // gives more benefit in debugging in the platform. |
| 235 if (!thread_name().empty()) { | 234 if (!thread_name().empty()) { |
| 236 base::android::AttachCurrentThreadWithName(thread_name()); | 235 base::android::AttachCurrentThreadWithName(thread_name()); |
| 237 } | 236 } |
| 238 #endif | 237 #endif |
| 239 | 238 |
| 240 BrowserThread::ID thread_id = ID_COUNT; | 239 BrowserThread::ID thread_id = ID_COUNT; |
| 241 CHECK(GetCurrentThreadIdentifier(&thread_id)); | 240 CHECK(GetCurrentThreadIdentifier(&thread_id)); |
| 242 CHECK_EQ(identifier_, thread_id); | 241 CHECK_EQ(identifier_, thread_id); |
| 243 CHECK_EQ(Thread::message_loop(), message_loop); | |
| 244 | 242 |
| 245 switch (identifier_) { | 243 switch (identifier_) { |
| 246 case BrowserThread::UI: | 244 case BrowserThread::UI: |
| 247 return UIThreadRun(message_loop); | 245 return UIThreadRun(run_loop); |
| 248 case BrowserThread::DB: | 246 case BrowserThread::DB: |
| 249 return DBThreadRun(message_loop); | 247 return DBThreadRun(run_loop); |
| 250 case BrowserThread::FILE: | 248 case BrowserThread::FILE: |
| 251 return FileThreadRun(message_loop); | 249 return FileThreadRun(run_loop); |
| 252 case BrowserThread::FILE_USER_BLOCKING: | 250 case BrowserThread::FILE_USER_BLOCKING: |
| 253 return FileUserBlockingThreadRun(message_loop); | 251 return FileUserBlockingThreadRun(run_loop); |
| 254 case BrowserThread::PROCESS_LAUNCHER: | 252 case BrowserThread::PROCESS_LAUNCHER: |
| 255 return ProcessLauncherThreadRun(message_loop); | 253 return ProcessLauncherThreadRun(run_loop); |
| 256 case BrowserThread::CACHE: | 254 case BrowserThread::CACHE: |
| 257 return CacheThreadRun(message_loop); | 255 return CacheThreadRun(run_loop); |
| 258 case BrowserThread::IO: | 256 case BrowserThread::IO: |
| 259 return IOThreadRun(message_loop); | 257 return IOThreadRun(run_loop); |
| 260 case BrowserThread::ID_COUNT: | 258 case BrowserThread::ID_COUNT: |
| 261 CHECK(false); // This shouldn't actually be reached! | 259 CHECK(false); // This shouldn't actually be reached! |
| 262 break; | 260 break; |
| 263 } | 261 } |
| 264 | 262 |
| 265 // |identifier_| must be set to a valid enum value in the constructor, so it | 263 // |identifier_| must be set to a valid enum value in the constructor, so it |
| 266 // should be impossible to reach here. | 264 // should be impossible to reach here. |
| 267 CHECK(false); | 265 CHECK(false); |
| 268 } | 266 } |
| 269 | 267 |
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| 547 AtomicWord* storage = reinterpret_cast<AtomicWord*>( | 545 AtomicWord* storage = reinterpret_cast<AtomicWord*>( |
| 548 &globals.thread_delegates[identifier]); | 546 &globals.thread_delegates[identifier]); |
| 549 AtomicWord old_pointer = base::subtle::NoBarrier_AtomicExchange( | 547 AtomicWord old_pointer = base::subtle::NoBarrier_AtomicExchange( |
| 550 storage, reinterpret_cast<AtomicWord>(delegate)); | 548 storage, reinterpret_cast<AtomicWord>(delegate)); |
| 551 | 549 |
| 552 // This catches registration when previously registered. | 550 // This catches registration when previously registered. |
| 553 DCHECK(!delegate || !old_pointer); | 551 DCHECK(!delegate || !old_pointer); |
| 554 } | 552 } |
| 555 | 553 |
| 556 } // namespace content | 554 } // namespace content |
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