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| 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2006-2008 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/simple_thread.h" | 5 #include "base/simple_thread.h" |
| 6 | 6 |
| 7 #include "base/logging.h" | 7 #include "base/logging.h" |
| 8 #include "base/platform_thread.h" | 8 #include "base/platform_thread.h" |
| 9 #include "base/string_number_conversions.h" | 9 #include "base/string_number_conversions.h" |
| 10 | 10 |
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| 30 name_.push_back('/'); | 30 name_.push_back('/'); |
| 31 name_.append(IntToString(tid_)); | 31 name_.append(IntToString(tid_)); |
| 32 PlatformThread::SetName(name_.c_str()); | 32 PlatformThread::SetName(name_.c_str()); |
| 33 | 33 |
| 34 // We've initialized our new thread, signal that we're done to Start(). | 34 // We've initialized our new thread, signal that we're done to Start(). |
| 35 event_.Signal(); | 35 event_.Signal(); |
| 36 | 36 |
| 37 Run(); | 37 Run(); |
| 38 } | 38 } |
| 39 | 39 |
| 40 SimpleThread::SimpleThread(const std::string& name_prefix) |
| 41 : name_prefix_(name_prefix), name_(name_prefix), |
| 42 thread_(), event_(true, false), tid_(0), joined_(false) { |
| 43 } |
| 44 |
| 45 SimpleThread::SimpleThread(const std::string& name_prefix, |
| 46 const Options& options) |
| 47 : name_prefix_(name_prefix), name_(name_prefix), options_(options), |
| 48 thread_(), event_(true, false), tid_(0), joined_(false) { |
| 49 } |
| 50 |
| 40 SimpleThread::~SimpleThread() { | 51 SimpleThread::~SimpleThread() { |
| 41 DCHECK(HasBeenStarted()) << "SimpleThread was never started."; | 52 DCHECK(HasBeenStarted()) << "SimpleThread was never started."; |
| 42 DCHECK(HasBeenJoined()) << "SimpleThread destroyed without being Join()ed."; | 53 DCHECK(HasBeenJoined()) << "SimpleThread destroyed without being Join()ed."; |
| 43 } | 54 } |
| 44 | 55 |
| 56 DelegateSimpleThread::DelegateSimpleThread(Delegate* delegate, |
| 57 const std::string& name_prefix) |
| 58 : SimpleThread(name_prefix), |
| 59 delegate_(delegate) { |
| 60 } |
| 61 |
| 62 DelegateSimpleThread::DelegateSimpleThread(Delegate* delegate, |
| 63 const std::string& name_prefix, |
| 64 const Options& options) |
| 65 : SimpleThread(name_prefix, options), |
| 66 delegate_(delegate) { |
| 67 } |
| 68 |
| 69 DelegateSimpleThread::~DelegateSimpleThread() { |
| 70 } |
| 71 |
| 45 void DelegateSimpleThread::Run() { | 72 void DelegateSimpleThread::Run() { |
| 46 DCHECK(delegate_) << "Tried to call Run without a delegate (called twice?)"; | 73 DCHECK(delegate_) << "Tried to call Run without a delegate (called twice?)"; |
| 47 delegate_->Run(); | 74 delegate_->Run(); |
| 48 delegate_ = NULL; | 75 delegate_ = NULL; |
| 49 } | 76 } |
| 50 | 77 |
| 78 DelegateSimpleThreadPool::DelegateSimpleThreadPool( |
| 79 const std::string& name_prefix, |
| 80 int num_threads) |
| 81 : name_prefix_(name_prefix), |
| 82 num_threads_(num_threads), |
| 83 dry_(true, false) { |
| 84 } |
| 85 |
| 51 DelegateSimpleThreadPool::~DelegateSimpleThreadPool() { | 86 DelegateSimpleThreadPool::~DelegateSimpleThreadPool() { |
| 52 DCHECK(threads_.empty()); | 87 DCHECK(threads_.empty()); |
| 53 DCHECK(delegates_.empty()); | 88 DCHECK(delegates_.empty()); |
| 54 DCHECK(!dry_.IsSignaled()); | 89 DCHECK(!dry_.IsSignaled()); |
| 55 } | 90 } |
| 56 | 91 |
| 57 void DelegateSimpleThreadPool::Start() { | 92 void DelegateSimpleThreadPool::Start() { |
| 58 DCHECK(threads_.empty()) << "Start() called with outstanding threads."; | 93 DCHECK(threads_.empty()) << "Start() called with outstanding threads."; |
| 59 for (int i = 0; i < num_threads_; ++i) { | 94 for (int i = 0; i < num_threads_; ++i) { |
| 60 DelegateSimpleThread* thread = new DelegateSimpleThread(this, name_prefix_); | 95 DelegateSimpleThread* thread = new DelegateSimpleThread(this, name_prefix_); |
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| 108 | 143 |
| 109 // A NULL delegate pointer signals us to quit. | 144 // A NULL delegate pointer signals us to quit. |
| 110 if (!work) | 145 if (!work) |
| 111 break; | 146 break; |
| 112 | 147 |
| 113 work->Run(); | 148 work->Run(); |
| 114 } | 149 } |
| 115 } | 150 } |
| 116 | 151 |
| 117 } // namespace base | 152 } // namespace base |
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