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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 |
| 11 // infinite loop, and another one to asynchronously kill the process. | 11 // infinite loop, and another one to asynchronously kill the process. |
| 12 | 12 |
| 13 // A regular build should never crash. | 13 // A regular build should never crash. |
| 14 // To test that the disk cache doesn't generate critical errors with regular | 14 // To test that the disk cache doesn't generate critical errors with regular |
| 15 // application level crashes, edit stress_support.h. | 15 // application level crashes, edit stress_support.h. |
| 16 | 16 |
| 17 #include <string> | 17 #include <string> |
| 18 #include <vector> | 18 #include <vector> |
| 19 | 19 |
| 20 #include "base/at_exit.h" | 20 #include "base/at_exit.h" |
| 21 #include "base/bind.h" | 21 #include "base/bind.h" |
| 22 #include "base/command_line.h" | 22 #include "base/command_line.h" |
| 23 #include "base/debug/debugger.h" | 23 #include "base/debug/debugger.h" |
| 24 #include "base/files/file_path.h" | 24 #include "base/files/file_path.h" |
| 25 #include "base/logging.h" | 25 #include "base/logging.h" |
| 26 #include "base/message_loop/message_loop.h" | 26 #include "base/message_loop/message_loop.h" |
| 27 #include "base/path_service.h" | 27 #include "base/path_service.h" |
| 28 #include "base/process/kill.h" | |
| 29 #include "base/process/launch.h" | 28 #include "base/process/launch.h" |
| 29 #include "base/process/process.h" |
| 30 #include "base/strings/string_number_conversions.h" | 30 #include "base/strings/string_number_conversions.h" |
| 31 #include "base/strings/string_util.h" | 31 #include "base/strings/string_util.h" |
| 32 #include "base/strings/utf_string_conversions.h" | 32 #include "base/strings/utf_string_conversions.h" |
| 33 #include "base/threading/platform_thread.h" | 33 #include "base/threading/platform_thread.h" |
| 34 #include "base/threading/thread.h" | 34 #include "base/threading/thread.h" |
| 35 #include "net/base/io_buffer.h" | 35 #include "net/base/io_buffer.h" |
| 36 #include "net/base/net_errors.h" | 36 #include "net/base/net_errors.h" |
| 37 #include "net/base/test_completion_callback.h" | 37 #include "net/base/test_completion_callback.h" |
| 38 #include "net/disk_cache/blockfile/backend_impl.h" | 38 #include "net/disk_cache/blockfile/backend_impl.h" |
| 39 #include "net/disk_cache/blockfile/stress_support.h" | 39 #include "net/disk_cache/blockfile/stress_support.h" |
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| 196 void CrashCallback() { | 196 void CrashCallback() { |
| 197 // Keep trying to run. | 197 // Keep trying to run. |
| 198 RunSoon(base::MessageLoop::current()); | 198 RunSoon(base::MessageLoop::current()); |
| 199 | 199 |
| 200 if (g_crashing) | 200 if (g_crashing) |
| 201 return; | 201 return; |
| 202 | 202 |
| 203 if (rand() % 100 > 30) { | 203 if (rand() % 100 > 30) { |
| 204 printf("sweet death...\n"); | 204 printf("sweet death...\n"); |
| 205 #if defined(OS_WIN) | 205 #if defined(OS_WIN) |
| 206 // Windows does more work on _exit() that we would like, so we use Kill. | 206 // Windows does more work on _exit() than we would like. |
| 207 base::KillProcessById(base::GetCurrentProcId(), kExpectedCrash, false); | 207 base::Process::Current().Terminate(kExpectedCrash); |
| 208 #elif defined(OS_POSIX) | 208 #elif defined(OS_POSIX) |
| 209 // On POSIX, _exit() will terminate the process with minimal cleanup, | 209 // On POSIX, _exit() will terminate the process with minimal cleanup, |
| 210 // and it is cleaner than killing. | 210 // and it is cleaner than killing. |
| 211 _exit(kExpectedCrash); | 211 _exit(kExpectedCrash); |
| 212 #endif | 212 #endif |
| 213 } | 213 } |
| 214 } | 214 } |
| 215 | 215 |
| 216 void RunSoon(base::MessageLoop* target_loop) { | 216 void RunSoon(base::MessageLoop* target_loop) { |
| 217 const base::TimeDelta kTaskDelay = base::TimeDelta::FromSeconds(10); | 217 const base::TimeDelta kTaskDelay = base::TimeDelta::FromSeconds(10); |
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| 284 long int iteration = strtol(argv[1], &end, 0); | 284 long int iteration = strtol(argv[1], &end, 0); |
| 285 | 285 |
| 286 if (!StartCrashThread()) { | 286 if (!StartCrashThread()) { |
| 287 printf("failed to start thread\n"); | 287 printf("failed to start thread\n"); |
| 288 return kError; | 288 return kError; |
| 289 } | 289 } |
| 290 | 290 |
| 291 StressTheCache(iteration); | 291 StressTheCache(iteration); |
| 292 return 0; | 292 return 0; |
| 293 } | 293 } |
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