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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 #ifndef BASE_THREAD_H_ | 5 #ifndef BASE_THREAD_H_ |
6 #define BASE_THREAD_H_ | 6 #define BASE_THREAD_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <string> | 9 #include <string> |
10 | 10 |
11 #include "base/base_api.h" | 11 #include "base/base_export.h" |
12 #include "base/message_loop.h" | 12 #include "base/message_loop.h" |
13 #include "base/message_loop_proxy.h" | 13 #include "base/message_loop_proxy.h" |
14 #include "base/threading/platform_thread.h" | 14 #include "base/threading/platform_thread.h" |
15 | 15 |
16 namespace base { | 16 namespace base { |
17 | 17 |
18 // A simple thread abstraction that establishes a MessageLoop on a new thread. | 18 // A simple thread abstraction that establishes a MessageLoop on a new thread. |
19 // The consumer uses the MessageLoop of the thread to cause code to execute on | 19 // The consumer uses the MessageLoop of the thread to cause code to execute on |
20 // the thread. When this object is destroyed the thread is terminated. All | 20 // the thread. When this object is destroyed the thread is terminated. All |
21 // pending tasks queued on the thread's message loop will run to completion | 21 // pending tasks queued on the thread's message loop will run to completion |
22 // before the thread is terminated. | 22 // before the thread is terminated. |
23 // | 23 // |
24 // After the thread is stopped, the destruction sequence is: | 24 // After the thread is stopped, the destruction sequence is: |
25 // | 25 // |
26 // (1) Thread::CleanUp() | 26 // (1) Thread::CleanUp() |
27 // (2) MessageLoop::~MessageLoop | 27 // (2) MessageLoop::~MessageLoop |
28 // (3.b) MessageLoop::DestructionObserver::WillDestroyCurrentMessageLoop | 28 // (3.b) MessageLoop::DestructionObserver::WillDestroyCurrentMessageLoop |
29 class BASE_API Thread : PlatformThread::Delegate { | 29 class BASE_EXPORT Thread : PlatformThread::Delegate { |
30 public: | 30 public: |
31 struct Options { | 31 struct Options { |
32 Options() : message_loop_type(MessageLoop::TYPE_DEFAULT), stack_size(0) {} | 32 Options() : message_loop_type(MessageLoop::TYPE_DEFAULT), stack_size(0) {} |
33 Options(MessageLoop::Type type, size_t size) | 33 Options(MessageLoop::Type type, size_t size) |
34 : message_loop_type(type), stack_size(size) {} | 34 : message_loop_type(type), stack_size(size) {} |
35 | 35 |
36 // Specifies the type of message loop that will be allocated on the thread. | 36 // Specifies the type of message loop that will be allocated on the thread. |
37 MessageLoop::Type message_loop_type; | 37 MessageLoop::Type message_loop_type; |
38 | 38 |
39 // Specifies the maximum stack size that the thread is allowed to use. | 39 // Specifies the maximum stack size that the thread is allowed to use. |
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186 std::string name_; | 186 std::string name_; |
187 | 187 |
188 friend class ThreadQuitTask; | 188 friend class ThreadQuitTask; |
189 | 189 |
190 DISALLOW_COPY_AND_ASSIGN(Thread); | 190 DISALLOW_COPY_AND_ASSIGN(Thread); |
191 }; | 191 }; |
192 | 192 |
193 } // namespace base | 193 } // namespace base |
194 | 194 |
195 #endif // BASE_THREAD_H_ | 195 #endif // BASE_THREAD_H_ |
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