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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 MOJO_SYSTEM_WAITER_LIST_H_ | 5 #ifndef MOJO_SYSTEM_WAITER_LIST_H_ |
6 #define MOJO_SYSTEM_WAITER_LIST_H_ | 6 #define MOJO_SYSTEM_WAITER_LIST_H_ |
7 | 7 |
8 #include <list> | 8 #include <list> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
11 #include "mojo/public/system/core.h" | 11 #include "mojo/public/system/core.h" |
| 12 #include "mojo/public/system/system_export.h" |
12 | 13 |
13 namespace mojo { | 14 namespace mojo { |
14 namespace system { | 15 namespace system { |
15 | 16 |
16 class Waiter; | 17 class Waiter; |
17 | 18 |
18 // |WaiterList| tracks all the |Waiter|s that are waiting on a given | 19 // |WaiterList| tracks all the |Waiter|s that are waiting on a given |
19 // handle/|Dispatcher|. There should be a |WaiterList| for each handle that can | 20 // handle/|Dispatcher|. There should be a |WaiterList| for each handle that can |
20 // be waited on (in any way). In the simple case, the |WaiterList| is owned by | 21 // be waited on (in any way). In the simple case, the |WaiterList| is owned by |
21 // the |Dispatcher|, whereas in more complex cases it is owned by the secondary | 22 // the |Dispatcher|, whereas in more complex cases it is owned by the secondary |
22 // object (see simple_dispatcher.* and the explanatory comment in core_impl.cc). | 23 // object (see simple_dispatcher.* and the explanatory comment in core_impl.cc). |
23 // This class is thread-unsafe (all concurrent access must be protected by some | 24 // This class is thread-unsafe (all concurrent access must be protected by some |
24 // lock). | 25 // lock). |
25 class WaiterList { | 26 class MOJO_SYSTEM_EXPORT WaiterList { |
26 public: | 27 public: |
27 WaiterList(); | 28 WaiterList(); |
28 ~WaiterList(); | 29 ~WaiterList(); |
29 | 30 |
30 void AwakeWaitersForStateChange(MojoWaitFlags satisfied_flags, | 31 void AwakeWaitersForStateChange(MojoWaitFlags satisfied_flags, |
31 MojoWaitFlags satisfiable_flags); | 32 MojoWaitFlags satisfiable_flags); |
32 void CancelAllWaiters(); | 33 void CancelAllWaiters(); |
33 void AddWaiter(Waiter* waiter, MojoWaitFlags flags, MojoResult wake_result); | 34 void AddWaiter(Waiter* waiter, MojoWaitFlags flags, MojoResult wake_result); |
34 void RemoveWaiter(Waiter* waiter); | 35 void RemoveWaiter(Waiter* waiter); |
35 | 36 |
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46 | 47 |
47 WaiterInfoList waiters_; | 48 WaiterInfoList waiters_; |
48 | 49 |
49 DISALLOW_COPY_AND_ASSIGN(WaiterList); | 50 DISALLOW_COPY_AND_ASSIGN(WaiterList); |
50 }; | 51 }; |
51 | 52 |
52 } // namespace system | 53 } // namespace system |
53 } // namespace mojo | 54 } // namespace mojo |
54 | 55 |
55 #endif // MOJO_SYSTEM_WAITER_LIST_H_ | 56 #endif // MOJO_SYSTEM_WAITER_LIST_H_ |
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