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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #ifndef BIN_THREAD_POOL_H_ | 5 #ifndef BIN_THREAD_POOL_H_ |
6 #define BIN_THREAD_POOL_H_ | 6 #define BIN_THREAD_POOL_H_ |
7 | 7 |
8 #include "bin/builtin.h" | 8 #include "bin/builtin.h" |
9 #include "platform/globals.h" | 9 #include "platform/globals.h" |
10 #include "platform/thread.h" | 10 #include "platform/thread.h" |
11 | 11 |
12 // Declare the OS-specific types ahead of defining the generic classes. | |
13 #if defined(TARGET_OS_LINUX) | |
14 #include "bin/thread_pool_linux.h" | |
15 #elif defined(TARGET_OS_MACOS) | |
16 #include "bin/thread_pool_macos.h" | |
17 #elif defined(TARGET_OS_WINDOWS) | |
18 #include "bin/thread_pool_win.h" | |
19 #else | |
20 #error Unknown target os. | |
21 #endif | |
22 | |
23 | |
24 typedef void* Task; | 12 typedef void* Task; |
25 | 13 |
26 | 14 |
27 class TaskQueueEntry { | 15 class TaskQueueEntry { |
28 public: | 16 public: |
29 explicit TaskQueueEntry(Task task) : task_(task), next_(NULL) {} | 17 explicit TaskQueueEntry(Task task) : task_(task), next_(NULL) {} |
30 | 18 |
31 Task task() { return task_; } | 19 Task task() { return task_; } |
32 | 20 |
33 TaskQueueEntry* next() { return next_; } | 21 TaskQueueEntry* next() { return next_; } |
(...skipping 16 matching lines...) Expand all Loading... | |
50 TaskQueueEntry* Remove(); | 38 TaskQueueEntry* Remove(); |
51 void Shutdown(); | 39 void Shutdown(); |
52 | 40 |
53 private: | 41 private: |
54 bool terminate_; | 42 bool terminate_; |
55 TaskQueueEntry* head_; | 43 TaskQueueEntry* head_; |
56 TaskQueueEntry* tail_; | 44 TaskQueueEntry* tail_; |
57 dart::Monitor monitor_; | 45 dart::Monitor monitor_; |
58 | 46 |
59 DISALLOW_COPY_AND_ASSIGN(TaskQueue); | 47 DISALLOW_COPY_AND_ASSIGN(TaskQueue); |
60 }; | 48 }; |
siva
2012/01/27 18:53:17
There was a comment by Ivan earlier about hiding t
Søren Gjesse
2012/01/30 14:42:57
I moved thread_pool cleanup to separate CL,
https:
siva
2012/02/02 05:53:07
Ok, thanks for clarifying that.
| |
61 | 49 |
62 | 50 |
63 class ThreadPool { | 51 class ThreadPool { |
64 public: | 52 public: |
65 typedef void* (*TaskHandler)(void* args); | 53 typedef void* (*TaskHandler)(void* args); |
66 | 54 |
67 ThreadPool(TaskHandler task_handler, int initial_size = 4) | 55 ThreadPool(TaskHandler task_handler, int initial_size = 4) |
68 : terminate_(false), | 56 : terminate_(false), |
69 size_(initial_size), | 57 size_(initial_size), |
70 task_handler_(task_handler) {} | 58 task_handler_(task_handler) {} |
71 | 59 |
72 void Start(); | 60 void Start(); |
73 void Shutdown(); | 61 void Shutdown(); |
74 | 62 |
75 void InsertTask(Task task); | 63 void InsertTask(Task task); |
76 | 64 |
65 void ThreadTerminated(); | |
66 | |
77 private: | 67 private: |
78 Task WaitForTask(); | 68 Task WaitForTask(); |
79 | 69 |
80 static void* Main(void* args); | 70 static void Main(uword args); |
81 | 71 |
82 TaskQueue queue_; | 72 TaskQueue queue_; |
83 // TODO(sgjesse): Move the monitor in TaskQueue to ThreadPool and | 73 // TODO(sgjesse): Move the monitor in TaskQueue to ThreadPool and |
84 // obtain it for updating terminate_. | 74 // obtain it for updating terminate_. |
75 dart::Monitor monitor_; | |
85 bool terminate_; | 76 bool terminate_; |
86 int size_; // Number of threads. | 77 int size_; // Number of threads. |
87 TaskHandler task_handler_; | 78 TaskHandler task_handler_; |
88 ThreadPoolData data_; | |
89 | 79 |
90 DISALLOW_COPY_AND_ASSIGN(ThreadPool); | 80 DISALLOW_COPY_AND_ASSIGN(ThreadPool); |
91 }; | 81 }; |
92 | 82 |
93 #endif // BIN_THREAD_POOL_H_ | 83 #endif // BIN_THREAD_POOL_H_ |
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