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| 1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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| 40 public: | 40 public: |
| 41 explicit WaitAndSignalThread(v8::base::Semaphore* semaphore) | 41 explicit WaitAndSignalThread(v8::base::Semaphore* semaphore) |
| 42 : Thread("WaitAndSignalThread"), semaphore_(semaphore) {} | 42 : Thread("WaitAndSignalThread"), semaphore_(semaphore) {} |
| 43 virtual ~WaitAndSignalThread() {} | 43 virtual ~WaitAndSignalThread() {} |
| 44 | 44 |
| 45 virtual void Run() V8_OVERRIDE { | 45 virtual void Run() V8_OVERRIDE { |
| 46 for (int n = 0; n < 1000; ++n) { | 46 for (int n = 0; n < 1000; ++n) { |
| 47 semaphore_->Wait(); | 47 semaphore_->Wait(); |
| 48 bool result = | 48 bool result = |
| 49 semaphore_->WaitFor(v8::base::TimeDelta::FromMicroseconds(1)); | 49 semaphore_->WaitFor(v8::base::TimeDelta::FromMicroseconds(1)); |
| 50 ASSERT(!result); | 50 DCHECK(!result); |
| 51 USE(result); | 51 USE(result); |
| 52 semaphore_->Signal(); | 52 semaphore_->Signal(); |
| 53 } | 53 } |
| 54 } | 54 } |
| 55 | 55 |
| 56 private: | 56 private: |
| 57 v8::base::Semaphore* semaphore_; | 57 v8::base::Semaphore* semaphore_; |
| 58 }; | 58 }; |
| 59 | 59 |
| 60 | 60 |
| 61 TEST(WaitAndSignal) { | 61 TEST(WaitAndSignal) { |
| 62 v8::base::Semaphore semaphore(0); | 62 v8::base::Semaphore semaphore(0); |
| 63 WaitAndSignalThread t1(&semaphore); | 63 WaitAndSignalThread t1(&semaphore); |
| 64 WaitAndSignalThread t2(&semaphore); | 64 WaitAndSignalThread t2(&semaphore); |
| 65 | 65 |
| 66 t1.Start(); | 66 t1.Start(); |
| 67 t2.Start(); | 67 t2.Start(); |
| 68 | 68 |
| 69 // Make something available. | 69 // Make something available. |
| 70 semaphore.Signal(); | 70 semaphore.Signal(); |
| 71 | 71 |
| 72 t1.Join(); | 72 t1.Join(); |
| 73 t2.Join(); | 73 t2.Join(); |
| 74 | 74 |
| 75 semaphore.Wait(); | 75 semaphore.Wait(); |
| 76 | 76 |
| 77 bool result = semaphore.WaitFor(v8::base::TimeDelta::FromMicroseconds(1)); | 77 bool result = semaphore.WaitFor(v8::base::TimeDelta::FromMicroseconds(1)); |
| 78 ASSERT(!result); | 78 DCHECK(!result); |
| 79 USE(result); | 79 USE(result); |
| 80 } | 80 } |
| 81 | 81 |
| 82 | 82 |
| 83 TEST(WaitFor) { | 83 TEST(WaitFor) { |
| 84 bool ok; | 84 bool ok; |
| 85 v8::base::Semaphore semaphore(0); | 85 v8::base::Semaphore semaphore(0); |
| 86 | 86 |
| 87 // Semaphore not signalled - timeout. | 87 // Semaphore not signalled - timeout. |
| 88 ok = semaphore.WaitFor(v8::base::TimeDelta::FromMicroseconds(0)); | 88 ok = semaphore.WaitFor(v8::base::TimeDelta::FromMicroseconds(0)); |
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| 131 | 131 |
| 132 | 132 |
| 133 class ConsumerThread V8_FINAL : public v8::base::Thread { | 133 class ConsumerThread V8_FINAL : public v8::base::Thread { |
| 134 public: | 134 public: |
| 135 ConsumerThread() : Thread("ConsumerThread") {} | 135 ConsumerThread() : Thread("ConsumerThread") {} |
| 136 virtual ~ConsumerThread() {} | 136 virtual ~ConsumerThread() {} |
| 137 | 137 |
| 138 virtual void Run() V8_OVERRIDE { | 138 virtual void Run() V8_OVERRIDE { |
| 139 for (int n = 0; n < kDataSize; ++n) { | 139 for (int n = 0; n < kDataSize; ++n) { |
| 140 used_space.Wait(); | 140 used_space.Wait(); |
| 141 ASSERT_EQ(static_cast<int>(alphabet[n % kAlphabetSize]), | 141 DCHECK_EQ(static_cast<int>(alphabet[n % kAlphabetSize]), |
| 142 static_cast<int>(buffer[n % kBufferSize])); | 142 static_cast<int>(buffer[n % kBufferSize])); |
| 143 free_space.Signal(); | 143 free_space.Signal(); |
| 144 } | 144 } |
| 145 } | 145 } |
| 146 }; | 146 }; |
| 147 | 147 |
| 148 | 148 |
| 149 TEST(ProducerConsumer) { | 149 TEST(ProducerConsumer) { |
| 150 ProducerThread producer_thread; | 150 ProducerThread producer_thread; |
| 151 ConsumerThread consumer_thread; | 151 ConsumerThread consumer_thread; |
| 152 producer_thread.Start(); | 152 producer_thread.Start(); |
| 153 consumer_thread.Start(); | 153 consumer_thread.Start(); |
| 154 producer_thread.Join(); | 154 producer_thread.Join(); |
| 155 consumer_thread.Join(); | 155 consumer_thread.Join(); |
| 156 } | 156 } |
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