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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 // This is a simple application that stress-tests the crash recovery of the disk | 5 // This is a simple application that stress-tests the crash recovery of the disk |
6 // cache. The main application starts a copy of itself on a loop, checking the | 6 // cache. The main application starts a copy of itself on a loop, checking the |
7 // exit code of the child process. When the child dies in an unexpected way, | 7 // exit code of the child process. When the child dies in an unexpected way, |
8 // the main application quits. | 8 // the main application quits. |
9 | 9 |
10 // The child application has two threads: one to exercise the cache in an | 10 // The child application has two threads: one to exercise the cache in an |
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289 | 289 |
290 base::MessageLoop::current()->task_runner()->PostTask(FROM_HERE, | 290 base::MessageLoop::current()->task_runner()->PostTask(FROM_HERE, |
291 base::Bind(&LoopTask)); | 291 base::Bind(&LoopTask)); |
292 } | 292 } |
293 | 293 |
294 // This thread will loop forever, adding and removing entries from the cache. | 294 // This thread will loop forever, adding and removing entries from the cache. |
295 // iteration is the current crash cycle, so the entries on the cache are marked | 295 // iteration is the current crash cycle, so the entries on the cache are marked |
296 // to know which instance of the application wrote them. | 296 // to know which instance of the application wrote them. |
297 void StressTheCache(int iteration) { | 297 void StressTheCache(int iteration) { |
298 int cache_size = 0x2000000; // 32MB. | 298 int cache_size = 0x2000000; // 32MB. |
299 uint32 mask = 0xfff; // 4096 entries. | 299 uint32_t mask = 0xfff; // 4096 entries. |
300 | 300 |
301 base::FilePath path; | 301 base::FilePath path; |
302 PathService::Get(base::DIR_TEMP, &path); | 302 PathService::Get(base::DIR_TEMP, &path); |
303 path = path.AppendASCII("cache_test_stress"); | 303 path = path.AppendASCII("cache_test_stress"); |
304 | 304 |
305 base::Thread cache_thread("CacheThread"); | 305 base::Thread cache_thread("CacheThread"); |
306 if (!cache_thread.StartWithOptions( | 306 if (!cache_thread.StartWithOptions( |
307 base::Thread::Options(base::MessageLoop::TYPE_IO, 0))) | 307 base::Thread::Options(base::MessageLoop::TYPE_IO, 0))) |
308 return; | 308 return; |
309 | 309 |
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433 long int iteration = strtol(argv[1], &end, 0); | 433 long int iteration = strtol(argv[1], &end, 0); |
434 | 434 |
435 if (!StartCrashThread()) { | 435 if (!StartCrashThread()) { |
436 printf("failed to start thread\n"); | 436 printf("failed to start thread\n"); |
437 return kError; | 437 return kError; |
438 } | 438 } |
439 | 439 |
440 StressTheCache(iteration); | 440 StressTheCache(iteration); |
441 return 0; | 441 return 0; |
442 } | 442 } |
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