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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 #include "ipc/ipc_sync_channel.h" | 5 #include "ipc/ipc_sync_channel.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/lazy_instance.h" | 8 #include "base/lazy_instance.h" |
9 #include "base/location.h" | 9 #include "base/location.h" |
10 #include "base/logging.h" | 10 #include "base/logging.h" |
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199 bool task_pending_; | 199 bool task_pending_; |
200 int listener_count_; | 200 int listener_count_; |
201 | 201 |
202 // The current send done event watcher for this thread. Used to maintain | 202 // The current send done event watcher for this thread. Used to maintain |
203 // a local global stack of send done watchers to ensure that nested sync | 203 // a local global stack of send done watchers to ensure that nested sync |
204 // message loops complete correctly. | 204 // message loops complete correctly. |
205 base::WaitableEventWatcher* top_send_done_watcher_; | 205 base::WaitableEventWatcher* top_send_done_watcher_; |
206 }; | 206 }; |
207 | 207 |
208 base::LazyInstance<base::ThreadLocalPointer<SyncChannel::ReceivedSyncMsgQueue> > | 208 base::LazyInstance<base::ThreadLocalPointer<SyncChannel::ReceivedSyncMsgQueue> > |
209 SyncChannel::ReceivedSyncMsgQueue::lazy_tls_ptr_(base::LINKER_INITIALIZED); | 209 SyncChannel::ReceivedSyncMsgQueue::lazy_tls_ptr_ = |
| 210 LAZY_INSTANCE_INITIALIZER; |
210 | 211 |
211 SyncChannel::SyncContext::SyncContext( | 212 SyncChannel::SyncContext::SyncContext( |
212 Channel::Listener* listener, | 213 Channel::Listener* listener, |
213 base::MessageLoopProxy* ipc_thread, | 214 base::MessageLoopProxy* ipc_thread, |
214 WaitableEvent* shutdown_event) | 215 WaitableEvent* shutdown_event) |
215 : ChannelProxy::Context(listener, ipc_thread), | 216 : ChannelProxy::Context(listener, ipc_thread), |
216 received_sync_msgs_(ReceivedSyncMsgQueue::AddContext()), | 217 received_sync_msgs_(ReceivedSyncMsgQueue::AddContext()), |
217 shutdown_event_(shutdown_event), | 218 shutdown_event_(shutdown_event), |
218 restrict_dispatch_(false) { | 219 restrict_dispatch_(false) { |
219 } | 220 } |
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507 void SyncChannel::OnWaitableEventSignaled(WaitableEvent* event) { | 508 void SyncChannel::OnWaitableEventSignaled(WaitableEvent* event) { |
508 DCHECK(event == sync_context()->GetDispatchEvent()); | 509 DCHECK(event == sync_context()->GetDispatchEvent()); |
509 // The call to DispatchMessages might delete this object, so reregister | 510 // The call to DispatchMessages might delete this object, so reregister |
510 // the object watcher first. | 511 // the object watcher first. |
511 event->Reset(); | 512 event->Reset(); |
512 dispatch_watcher_.StartWatching(event, this); | 513 dispatch_watcher_.StartWatching(event, this); |
513 sync_context()->DispatchMessages(); | 514 sync_context()->DispatchMessages(); |
514 } | 515 } |
515 | 516 |
516 } // namespace IPC | 517 } // namespace IPC |
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