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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 IPC_IPC_SYNC_MESSAGE_FILTER_H_ | 5 #ifndef IPC_IPC_SYNC_MESSAGE_FILTER_H_ |
| 6 #define IPC_IPC_SYNC_MESSAGE_FILTER_H_ | 6 #define IPC_IPC_SYNC_MESSAGE_FILTER_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include "base/basictypes.h" | 9 #include "base/basictypes.h" |
| 10 #include "base/memory/ref_counted.h" | 10 #include "base/memory/ref_counted.h" |
| (...skipping 10 matching lines...) Expand all Loading... |
| 21 | 21 |
| 22 namespace IPC { | 22 namespace IPC { |
| 23 | 23 |
| 24 class MessageReplyDeserializer; | 24 class MessageReplyDeserializer; |
| 25 | 25 |
| 26 // This MessageFilter allows sending synchronous IPC messages from a thread | 26 // This MessageFilter allows sending synchronous IPC messages from a thread |
| 27 // other than the listener thread associated with the SyncChannel. It does not | 27 // other than the listener thread associated with the SyncChannel. It does not |
| 28 // support fancy features that SyncChannel does, such as handling recursion or | 28 // support fancy features that SyncChannel does, such as handling recursion or |
| 29 // receiving messages while waiting for a response. Note that this object can | 29 // receiving messages while waiting for a response. Note that this object can |
| 30 // be used to send simultaneous synchronous messages from different threads. | 30 // be used to send simultaneous synchronous messages from different threads. |
| 31 class SyncMessageFilter : public ChannelProxy::MessageFilter, | 31 class IPC_EXPORT SyncMessageFilter : public ChannelProxy::MessageFilter, |
| 32 public Message::Sender { | 32 public Message::Sender { |
| 33 public: | 33 public: |
| 34 explicit SyncMessageFilter(base::WaitableEvent* shutdown_event); | 34 explicit SyncMessageFilter(base::WaitableEvent* shutdown_event); |
| 35 virtual ~SyncMessageFilter(); | 35 virtual ~SyncMessageFilter(); |
| 36 | 36 |
| 37 // Message::Sender implementation. | 37 // Message::Sender implementation. |
| 38 virtual bool Send(Message* message); | 38 virtual bool Send(Message* message); |
| 39 | 39 |
| 40 // ChannelProxy::MessageFilter implementation. | 40 // ChannelProxy::MessageFilter implementation. |
| 41 virtual void OnFilterAdded(Channel* channel); | 41 virtual void OnFilterAdded(Channel* channel); |
| 42 virtual void OnChannelError(); | 42 virtual void OnChannelError(); |
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| 61 base::Lock lock_; | 61 base::Lock lock_; |
| 62 | 62 |
| 63 base::WaitableEvent* shutdown_event_; | 63 base::WaitableEvent* shutdown_event_; |
| 64 | 64 |
| 65 DISALLOW_COPY_AND_ASSIGN(SyncMessageFilter); | 65 DISALLOW_COPY_AND_ASSIGN(SyncMessageFilter); |
| 66 }; | 66 }; |
| 67 | 67 |
| 68 } // namespace IPC | 68 } // namespace IPC |
| 69 | 69 |
| 70 #endif // IPC_IPC_SYNC_MESSAGE_FILTER_H_ | 70 #endif // IPC_IPC_SYNC_MESSAGE_FILTER_H_ |
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