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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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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438 | 438 |
439 ChannelProxy::Send(message); | 439 ChannelProxy::Send(message); |
440 | 440 |
441 if (timeout_ms != base::kNoTimeout) { | 441 if (timeout_ms != base::kNoTimeout) { |
442 // We use the sync message id so that when a message times out, we don't | 442 // We use the sync message id so that when a message times out, we don't |
443 // confuse it with another send that is either above/below this Send in | 443 // confuse it with another send that is either above/below this Send in |
444 // the call stack. | 444 // the call stack. |
445 context->ipc_message_loop()->PostDelayedTask( | 445 context->ipc_message_loop()->PostDelayedTask( |
446 FROM_HERE, | 446 FROM_HERE, |
447 base::Bind(&SyncContext::OnSendTimeout, context.get(), message_id), | 447 base::Bind(&SyncContext::OnSendTimeout, context.get(), message_id), |
448 timeout_ms); | 448 base::TimeDelta::FromMilliseconds(timeout_ms)); |
449 } | 449 } |
450 | 450 |
451 // Wait for reply, or for any other incoming synchronous messages. | 451 // Wait for reply, or for any other incoming synchronous messages. |
452 // *this* might get deleted, so only call static functions at this point. | 452 // *this* might get deleted, so only call static functions at this point. |
453 WaitForReply(context, pump_messages_event); | 453 WaitForReply(context, pump_messages_event); |
454 | 454 |
455 return context->Pop(); | 455 return context->Pop(); |
456 } | 456 } |
457 | 457 |
458 void SyncChannel::WaitForReply( | 458 void SyncChannel::WaitForReply( |
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531 // Ideally we only want to watch this object when running a nested message | 531 // Ideally we only want to watch this object when running a nested message |
532 // loop. However, we don't know when it exits if there's another nested | 532 // loop. However, we don't know when it exits if there's another nested |
533 // message loop running under it or not, so we wouldn't know whether to | 533 // message loop running under it or not, so we wouldn't know whether to |
534 // stop or keep watching. So we always watch it, and create the event as | 534 // stop or keep watching. So we always watch it, and create the event as |
535 // manual reset since the object watcher might otherwise reset the event | 535 // manual reset since the object watcher might otherwise reset the event |
536 // when we're doing a WaitMany. | 536 // when we're doing a WaitMany. |
537 dispatch_watcher_.StartWatching(sync_context()->GetDispatchEvent(), this); | 537 dispatch_watcher_.StartWatching(sync_context()->GetDispatchEvent(), this); |
538 } | 538 } |
539 | 539 |
540 } // namespace IPC | 540 } // namespace IPC |
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