3D Compositing in <browser>, first draft.

ipc/ipc_sync_channel.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ipc/ipc_sync_channel.h"
 
 #include "base/bind.h"
 #include "base/lazy_instance.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/synchronization/waitable_event_watcher.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/threading/thread_local.h"
 #include "ipc/ipc_sync_message.h"
 
+#include <csignal>
+using std::raise;
 using base::TimeDelta;
 using base::TimeTicks;
 using base::WaitableEvent;
 
 namespace IPC {
 // When we're blocked in a Send(), we need to process incoming synchronous
 // messages right away because it could be blocking our reply (either
 // directly from the same object we're calling, or indirectly through one or
 // more other channels).  That means that in SyncContext's OnMessageReceived,
 // we need to process sync message right away if we're blocked.  However a
@@ skipping 515 matching lines @@
   // Ideally we only want to watch this object when running a nested message
   // loop.  However, we don't know when it exits if there's another nested
   // message loop running under it or not, so we wouldn't know whether to
   // stop or keep watching.  So we always watch it, and create the event as
   // manual reset since the object watcher might otherwise reset the event
   // when we're doing a WaitMany.
   dispatch_watcher_.StartWatching(sync_context()->GetDispatchEvent(), this);
 }
 
 }  // namespace IPC