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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 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 "base/compiler_specific.h" | 5 #include "base/compiler_specific.h" |
6 #include "base/lock.h" | |
7 #include "base/scoped_ptr.h" | 6 #include "base/scoped_ptr.h" |
| 7 #include "base/synchronization/lock.h" |
8 #include "base/threading/platform_thread.h" | 8 #include "base/threading/platform_thread.h" |
9 #include "base/threading/simple_thread.h" | 9 #include "base/threading/simple_thread.h" |
10 #include "base/threading/thread_collision_warner.h" | 10 #include "base/threading/thread_collision_warner.h" |
11 #include "testing/gtest/include/gtest/gtest.h" | 11 #include "testing/gtest/include/gtest/gtest.h" |
12 | 12 |
13 // '' : local class member function does not have a body | 13 // '' : local class member function does not have a body |
14 MSVC_PUSH_DISABLE_WARNING(4822) | 14 MSVC_PUSH_DISABLE_WARNING(4822) |
15 | 15 |
16 | 16 |
17 #if defined(NDEBUG) | 17 #if defined(NDEBUG) |
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259 private: | 259 private: |
260 DFAKE_MUTEX(push_pop_); | 260 DFAKE_MUTEX(push_pop_); |
261 | 261 |
262 DISALLOW_COPY_AND_ASSIGN(NonThreadSafeQueue); | 262 DISALLOW_COPY_AND_ASSIGN(NonThreadSafeQueue); |
263 }; | 263 }; |
264 | 264 |
265 // This time the QueueUser class protects the non thread safe queue with | 265 // This time the QueueUser class protects the non thread safe queue with |
266 // a lock. | 266 // a lock. |
267 class QueueUser : public base::DelegateSimpleThread::Delegate { | 267 class QueueUser : public base::DelegateSimpleThread::Delegate { |
268 public: | 268 public: |
269 QueueUser(NonThreadSafeQueue& queue, Lock& lock) | 269 QueueUser(NonThreadSafeQueue& queue, base::Lock& lock) |
270 : queue_(queue), | 270 : queue_(queue), |
271 lock_(lock) {} | 271 lock_(lock) {} |
272 | 272 |
273 virtual void Run() { | 273 virtual void Run() { |
274 { | 274 { |
275 AutoLock auto_lock(lock_); | 275 base::AutoLock auto_lock(lock_); |
276 queue_.push(0); | 276 queue_.push(0); |
277 } | 277 } |
278 { | 278 { |
279 AutoLock auto_lock(lock_); | 279 base::AutoLock auto_lock(lock_); |
280 queue_.pop(); | 280 queue_.pop(); |
281 } | 281 } |
282 } | 282 } |
283 private: | 283 private: |
284 NonThreadSafeQueue& queue_; | 284 NonThreadSafeQueue& queue_; |
285 Lock& lock_; | 285 base::Lock& lock_; |
286 }; | 286 }; |
287 | 287 |
288 AssertReporter* local_reporter = new AssertReporter(); | 288 AssertReporter* local_reporter = new AssertReporter(); |
289 | 289 |
290 NonThreadSafeQueue queue(local_reporter); | 290 NonThreadSafeQueue queue(local_reporter); |
291 | 291 |
292 Lock lock; | 292 base::Lock lock; |
293 | 293 |
294 QueueUser queue_user_a(queue, lock); | 294 QueueUser queue_user_a(queue, lock); |
295 QueueUser queue_user_b(queue, lock); | 295 QueueUser queue_user_b(queue, lock); |
296 | 296 |
297 base::DelegateSimpleThread thread_a(&queue_user_a, "queue_user_thread_a"); | 297 base::DelegateSimpleThread thread_a(&queue_user_a, "queue_user_thread_a"); |
298 base::DelegateSimpleThread thread_b(&queue_user_b, "queue_user_thread_b"); | 298 base::DelegateSimpleThread thread_b(&queue_user_b, "queue_user_thread_b"); |
299 | 299 |
300 thread_a.Start(); | 300 thread_a.Start(); |
301 thread_b.Start(); | 301 thread_b.Start(); |
302 | 302 |
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333 private: | 333 private: |
334 DFAKE_MUTEX(push_pop_); | 334 DFAKE_MUTEX(push_pop_); |
335 | 335 |
336 DISALLOW_COPY_AND_ASSIGN(NonThreadSafeQueue); | 336 DISALLOW_COPY_AND_ASSIGN(NonThreadSafeQueue); |
337 }; | 337 }; |
338 | 338 |
339 // This time the QueueUser class protects the non thread safe queue with | 339 // This time the QueueUser class protects the non thread safe queue with |
340 // a lock. | 340 // a lock. |
341 class QueueUser : public base::DelegateSimpleThread::Delegate { | 341 class QueueUser : public base::DelegateSimpleThread::Delegate { |
342 public: | 342 public: |
343 QueueUser(NonThreadSafeQueue& queue, Lock& lock) | 343 QueueUser(NonThreadSafeQueue& queue, base::Lock& lock) |
344 : queue_(queue), | 344 : queue_(queue), |
345 lock_(lock) {} | 345 lock_(lock) {} |
346 | 346 |
347 virtual void Run() { | 347 virtual void Run() { |
348 { | 348 { |
349 AutoLock auto_lock(lock_); | 349 base::AutoLock auto_lock(lock_); |
350 queue_.push(0); | 350 queue_.push(0); |
351 } | 351 } |
352 { | 352 { |
353 AutoLock auto_lock(lock_); | 353 base::AutoLock auto_lock(lock_); |
354 queue_.bar(); | 354 queue_.bar(); |
355 } | 355 } |
356 { | 356 { |
357 AutoLock auto_lock(lock_); | 357 base::AutoLock auto_lock(lock_); |
358 queue_.pop(); | 358 queue_.pop(); |
359 } | 359 } |
360 } | 360 } |
361 private: | 361 private: |
362 NonThreadSafeQueue& queue_; | 362 NonThreadSafeQueue& queue_; |
363 Lock& lock_; | 363 base::Lock& lock_; |
364 }; | 364 }; |
365 | 365 |
366 AssertReporter* local_reporter = new AssertReporter(); | 366 AssertReporter* local_reporter = new AssertReporter(); |
367 | 367 |
368 NonThreadSafeQueue queue(local_reporter); | 368 NonThreadSafeQueue queue(local_reporter); |
369 | 369 |
370 Lock lock; | 370 base::Lock lock; |
371 | 371 |
372 QueueUser queue_user_a(queue, lock); | 372 QueueUser queue_user_a(queue, lock); |
373 QueueUser queue_user_b(queue, lock); | 373 QueueUser queue_user_b(queue, lock); |
374 | 374 |
375 base::DelegateSimpleThread thread_a(&queue_user_a, "queue_user_thread_a"); | 375 base::DelegateSimpleThread thread_a(&queue_user_a, "queue_user_thread_a"); |
376 base::DelegateSimpleThread thread_b(&queue_user_b, "queue_user_thread_b"); | 376 base::DelegateSimpleThread thread_b(&queue_user_b, "queue_user_thread_b"); |
377 | 377 |
378 thread_a.Start(); | 378 thread_a.Start(); |
379 thread_b.Start(); | 379 thread_b.Start(); |
380 | 380 |
381 thread_a.Join(); | 381 thread_a.Join(); |
382 thread_b.Join(); | 382 thread_b.Join(); |
383 | 383 |
384 EXPECT_FALSE(local_reporter->fail_state()); | 384 EXPECT_FALSE(local_reporter->fail_state()); |
385 } | 385 } |
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