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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 "base/basictypes.h" | 5 #include "base/basictypes.h" |
| 6 #if defined(OS_MACOSX) | 6 #if defined(OS_MACOSX) |
| 7 #include "base/mac/scoped_nsautorelease_pool.h" | 7 #include "base/mac/scoped_nsautorelease_pool.h" |
| 8 #endif | 8 #endif |
| 9 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
| 10 #include "base/shared_memory.h" | 10 #include "base/shared_memory.h" |
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| 123 | 123 |
| 124 private: | 124 private: |
| 125 int id_; | 125 int id_; |
| 126 | 126 |
| 127 DISALLOW_COPY_AND_ASSIGN(MultipleLockThread); | 127 DISALLOW_COPY_AND_ASSIGN(MultipleLockThread); |
| 128 }; | 128 }; |
| 129 #endif | 129 #endif |
| 130 | 130 |
| 131 } // namespace | 131 } // namespace |
| 132 | 132 |
| 133 // Android doesn't support SharedMemory::Open/Delete/ |
| 134 // CreateNamed(openExisting=true) |
| 135 #if !defined(OS_ANDROID) |
| 133 TEST(SharedMemoryTest, OpenClose) { | 136 TEST(SharedMemoryTest, OpenClose) { |
| 134 const uint32 kDataSize = 1024; | 137 const uint32 kDataSize = 1024; |
| 135 std::string test_name = "SharedMemoryOpenCloseTest"; | 138 std::string test_name = "SharedMemoryOpenCloseTest"; |
| 136 | 139 |
| 137 // Open two handles to a memory segment, confirm that they are mapped | 140 // Open two handles to a memory segment, confirm that they are mapped |
| 138 // separately yet point to the same space. | 141 // separately yet point to the same space. |
| 139 SharedMemory memory1; | 142 SharedMemory memory1; |
| 140 bool rv = memory1.Delete(test_name); | 143 bool rv = memory1.Delete(test_name); |
| 141 EXPECT_TRUE(rv); | 144 EXPECT_TRUE(rv); |
| 142 rv = memory1.Delete(test_name); | 145 rv = memory1.Delete(test_name); |
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| 222 for (char* ptr = start_ptr; ptr < end_ptr; ptr++) { | 225 for (char* ptr = start_ptr; ptr < end_ptr; ptr++) { |
| 223 EXPECT_EQ(*ptr, 'G'); | 226 EXPECT_EQ(*ptr, 'G'); |
| 224 } | 227 } |
| 225 | 228 |
| 226 memory1.Close(); | 229 memory1.Close(); |
| 227 memory2.Close(); | 230 memory2.Close(); |
| 228 | 231 |
| 229 rv = memory1.Delete(test_name); | 232 rv = memory1.Delete(test_name); |
| 230 EXPECT_TRUE(rv); | 233 EXPECT_TRUE(rv); |
| 231 } | 234 } |
| 235 #endif |
| 232 | 236 |
| 233 // Create a set of N threads to each open a shared memory segment and write to | 237 // Create a set of N threads to each open a shared memory segment and write to |
| 234 // it. Verify that they are always reading/writing consistent data. | 238 // it. Verify that they are always reading/writing consistent data. |
| 235 TEST(SharedMemoryTest, MultipleThreads) { | 239 TEST(SharedMemoryTest, MultipleThreads) { |
| 236 MultipleThreadMain::CleanUp(); | 240 MultipleThreadMain::CleanUp(); |
| 237 // On POSIX we have a problem when 2 threads try to create the shmem | 241 // On POSIX we have a problem when 2 threads try to create the shmem |
| 238 // (a file) at exactly the same time, since create both creates the | 242 // (a file) at exactly the same time, since create both creates the |
| 239 // file and zerofills it. We solve the problem for this unit test | 243 // file and zerofills it. We solve the problem for this unit test |
| 240 // (make it not flaky) by starting with 1 thread, then | 244 // (make it not flaky) by starting with 1 thread, then |
| 241 // intentionally don't clean up its shmem before running with | 245 // intentionally don't clean up its shmem before running with |
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| 427 } | 431 } |
| 428 | 432 |
| 429 SharedMemoryProcessTest::CleanUp(); | 433 SharedMemoryProcessTest::CleanUp(); |
| 430 } | 434 } |
| 431 | 435 |
| 432 MULTIPROCESS_TEST_MAIN(SharedMemoryTestMain) { | 436 MULTIPROCESS_TEST_MAIN(SharedMemoryTestMain) { |
| 433 return SharedMemoryProcessTest::TaskTestMain(); | 437 return SharedMemoryProcessTest::TaskTestMain(); |
| 434 } | 438 } |
| 435 | 439 |
| 436 } // namespace base | 440 } // namespace base |
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