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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 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/threading/simple_thread.h" | 5 #include "base/threading/simple_thread.h" |
| 6 | 6 |
| 7 #include "base/logging.h" | 7 #include "base/logging.h" |
| 8 #include "base/threading/platform_thread.h" | 8 #include "base/threading/platform_thread.h" |
| 9 #include "base/string_number_conversions.h" | 9 #include "base/string_number_conversions.h" |
| 10 | 10 |
| 11 namespace base { | 11 namespace base { |
| 12 | 12 |
| 13 SimpleThread::SimpleThread(const std::string& name_prefix) |
| 14 : name_prefix_(name_prefix), name_(name_prefix), |
| 15 thread_(), event_(true, false), tid_(0), joined_(false) { |
| 16 } |
| 17 |
| 18 SimpleThread::SimpleThread(const std::string& name_prefix, |
| 19 const Options& options) |
| 20 : name_prefix_(name_prefix), name_(name_prefix), options_(options), |
| 21 thread_(), event_(true, false), tid_(0), joined_(false) { |
| 22 } |
| 23 |
| 24 SimpleThread::~SimpleThread() { |
| 25 DCHECK(HasBeenStarted()) << "SimpleThread was never started."; |
| 26 DCHECK(HasBeenJoined()) << "SimpleThread destroyed without being Join()ed."; |
| 27 } |
| 28 |
| 13 void SimpleThread::Start() { | 29 void SimpleThread::Start() { |
| 14 DCHECK(!HasBeenStarted()) << "Tried to Start a thread multiple times."; | 30 DCHECK(!HasBeenStarted()) << "Tried to Start a thread multiple times."; |
| 15 bool success = PlatformThread::Create(options_.stack_size(), this, &thread_); | 31 bool success = PlatformThread::Create(options_.stack_size(), this, &thread_); |
| 16 CHECK(success); | 32 CHECK(success); |
| 17 event_.Wait(); // Wait for the thread to complete initialization. | 33 event_.Wait(); // Wait for the thread to complete initialization. |
| 18 } | 34 } |
| 19 | 35 |
| 20 void SimpleThread::Join() { | 36 void SimpleThread::Join() { |
| 21 DCHECK(HasBeenStarted()) << "Tried to Join a never-started thread."; | 37 DCHECK(HasBeenStarted()) << "Tried to Join a never-started thread."; |
| 22 DCHECK(!HasBeenJoined()) << "Tried to Join a thread multiple times."; | 38 DCHECK(!HasBeenJoined()) << "Tried to Join a thread multiple times."; |
| 23 PlatformThread::Join(thread_); | 39 PlatformThread::Join(thread_); |
| 24 joined_ = true; | 40 joined_ = true; |
| 25 } | 41 } |
| 26 | 42 |
| 27 void SimpleThread::ThreadMain() { | 43 void SimpleThread::ThreadMain() { |
| 28 tid_ = PlatformThread::CurrentId(); | 44 tid_ = PlatformThread::CurrentId(); |
| 29 // Construct our full name of the form "name_prefix_/TID". | 45 // Construct our full name of the form "name_prefix_/TID". |
| 30 name_.push_back('/'); | 46 name_.push_back('/'); |
| 31 name_.append(IntToString(tid_)); | 47 name_.append(IntToString(tid_)); |
| 32 PlatformThread::SetName(name_.c_str()); | 48 PlatformThread::SetName(name_.c_str()); |
| 33 | 49 |
| 34 // We've initialized our new thread, signal that we're done to Start(). | 50 // We've initialized our new thread, signal that we're done to Start(). |
| 35 event_.Signal(); | 51 event_.Signal(); |
| 36 | 52 |
| 37 Run(); | 53 Run(); |
| 38 } | 54 } |
| 39 | 55 |
| 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 | |
| 51 SimpleThread::~SimpleThread() { | |
| 52 DCHECK(HasBeenStarted()) << "SimpleThread was never started."; | |
| 53 DCHECK(HasBeenJoined()) << "SimpleThread destroyed without being Join()ed."; | |
| 54 } | |
| 55 | |
| 56 DelegateSimpleThread::DelegateSimpleThread(Delegate* delegate, | 56 DelegateSimpleThread::DelegateSimpleThread(Delegate* delegate, |
| 57 const std::string& name_prefix) | 57 const std::string& name_prefix) |
| 58 : SimpleThread(name_prefix), | 58 : SimpleThread(name_prefix), |
| 59 delegate_(delegate) { | 59 delegate_(delegate) { |
| 60 } | 60 } |
| 61 | 61 |
| 62 DelegateSimpleThread::DelegateSimpleThread(Delegate* delegate, | 62 DelegateSimpleThread::DelegateSimpleThread(Delegate* delegate, |
| 63 const std::string& name_prefix, | 63 const std::string& name_prefix, |
| 64 const Options& options) | 64 const Options& options) |
| 65 : SimpleThread(name_prefix, options), | 65 : SimpleThread(name_prefix, options), |
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| 143 | 143 |
| 144 // A NULL delegate pointer signals us to quit. | 144 // A NULL delegate pointer signals us to quit. |
| 145 if (!work) | 145 if (!work) |
| 146 break; | 146 break; |
| 147 | 147 |
| 148 work->Run(); | 148 work->Run(); |
| 149 } | 149 } |
| 150 } | 150 } |
| 151 | 151 |
| 152 } // namespace base | 152 } // namespace base |
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