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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 #include "mojo/edk/system/data_pipe.h" | 5 #include "mojo/edk/system/data_pipe.h" |
6 | 6 |
7 #include <string.h> | 7 #include <string.h> |
8 | 8 |
9 #include <algorithm> | 9 #include <algorithm> |
10 #include <limits> | 10 #include <limits> |
11 #include <memory> | 11 #include <memory> |
12 #include <utility> | 12 #include <utility> |
13 | 13 |
14 #include "base/logging.h" | 14 #include "base/logging.h" |
15 #include "base/memory/aligned_memory.h" | 15 #include "base/memory/aligned_memory.h" |
16 #include "mojo/edk/system/awakable_list.h" | 16 #include "mojo/edk/system/awakable_list.h" |
17 #include "mojo/edk/system/channel.h" | 17 #include "mojo/edk/system/channel.h" |
18 #include "mojo/edk/system/configuration.h" | 18 #include "mojo/edk/system/configuration.h" |
19 #include "mojo/edk/system/data_pipe_impl.h" | 19 #include "mojo/edk/system/data_pipe_impl.h" |
20 #include "mojo/edk/system/incoming_endpoint.h" | 20 #include "mojo/edk/system/incoming_endpoint.h" |
21 #include "mojo/edk/system/local_data_pipe_impl.h" | 21 #include "mojo/edk/system/local_data_pipe_impl.h" |
22 #include "mojo/edk/system/memory.h" | 22 #include "mojo/edk/system/memory.h" |
23 #include "mojo/edk/system/options_validation.h" | 23 #include "mojo/edk/system/options_validation.h" |
24 #include "mojo/edk/system/remote_consumer_data_pipe_impl.h" | 24 #include "mojo/edk/system/remote_consumer_data_pipe_impl.h" |
25 #include "mojo/edk/system/remote_producer_data_pipe_impl.h" | 25 #include "mojo/edk/system/remote_producer_data_pipe_impl.h" |
26 #include "mojo/edk/util/make_unique.h" | 26 #include "mojo/edk/util/make_unique.h" |
27 | 27 |
| 28 using mojo::embedder::ScopedPlatformHandle; |
28 using mojo::util::MutexLocker; | 29 using mojo::util::MutexLocker; |
29 using mojo::util::RefPtr; | 30 using mojo::util::RefPtr; |
30 | 31 |
31 namespace mojo { | 32 namespace mojo { |
32 namespace system { | 33 namespace system { |
33 | 34 |
34 // static | 35 // static |
35 MojoCreateDataPipeOptions DataPipe::GetDefaultCreateOptions() { | 36 MojoCreateDataPipeOptions DataPipe::GetDefaultCreateOptions() { |
36 MojoCreateDataPipeOptions result = { | 37 MojoCreateDataPipeOptions result = { |
37 static_cast<uint32_t>(sizeof(MojoCreateDataPipeOptions)), | 38 static_cast<uint32_t>(sizeof(MojoCreateDataPipeOptions)), |
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409 size_t* max_platform_handles) { | 410 size_t* max_platform_handles) { |
410 MutexLocker locker(&mutex_); | 411 MutexLocker locker(&mutex_); |
411 DCHECK(has_local_producer_no_lock()); | 412 DCHECK(has_local_producer_no_lock()); |
412 impl_->ProducerStartSerialize(channel, max_size, max_platform_handles); | 413 impl_->ProducerStartSerialize(channel, max_size, max_platform_handles); |
413 } | 414 } |
414 | 415 |
415 bool DataPipe::ProducerEndSerialize( | 416 bool DataPipe::ProducerEndSerialize( |
416 Channel* channel, | 417 Channel* channel, |
417 void* destination, | 418 void* destination, |
418 size_t* actual_size, | 419 size_t* actual_size, |
419 embedder::PlatformHandleVector* platform_handles) { | 420 std::vector<ScopedPlatformHandle>* platform_handles) { |
420 MutexLocker locker(&mutex_); | 421 MutexLocker locker(&mutex_); |
421 DCHECK(has_local_producer_no_lock()); | 422 DCHECK(has_local_producer_no_lock()); |
422 // Warning: After |ProducerEndSerialize()|, quite probably |impl_| has | 423 // Warning: After |ProducerEndSerialize()|, quite probably |impl_| has |
423 // changed. | 424 // changed. |
424 bool rv = impl_->ProducerEndSerialize(channel, destination, actual_size, | 425 bool rv = impl_->ProducerEndSerialize(channel, destination, actual_size, |
425 platform_handles); | 426 platform_handles); |
426 | 427 |
427 // TODO(vtl): The code below is similar to, but not quite the same as, | 428 // TODO(vtl): The code below is similar to, but not quite the same as, |
428 // |ProducerCloseNoLock()|. | 429 // |ProducerCloseNoLock()|. |
429 DCHECK(has_local_producer_no_lock()); | 430 DCHECK(has_local_producer_no_lock()); |
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618 size_t* max_platform_handles) { | 619 size_t* max_platform_handles) { |
619 MutexLocker locker(&mutex_); | 620 MutexLocker locker(&mutex_); |
620 DCHECK(has_local_consumer_no_lock()); | 621 DCHECK(has_local_consumer_no_lock()); |
621 impl_->ConsumerStartSerialize(channel, max_size, max_platform_handles); | 622 impl_->ConsumerStartSerialize(channel, max_size, max_platform_handles); |
622 } | 623 } |
623 | 624 |
624 bool DataPipe::ConsumerEndSerialize( | 625 bool DataPipe::ConsumerEndSerialize( |
625 Channel* channel, | 626 Channel* channel, |
626 void* destination, | 627 void* destination, |
627 size_t* actual_size, | 628 size_t* actual_size, |
628 embedder::PlatformHandleVector* platform_handles) { | 629 std::vector<ScopedPlatformHandle>* platform_handles) { |
629 MutexLocker locker(&mutex_); | 630 MutexLocker locker(&mutex_); |
630 DCHECK(has_local_consumer_no_lock()); | 631 DCHECK(has_local_consumer_no_lock()); |
631 // Warning: After |ConsumerEndSerialize()|, quite probably |impl_| has | 632 // Warning: After |ConsumerEndSerialize()|, quite probably |impl_| has |
632 // changed. | 633 // changed. |
633 bool rv = impl_->ConsumerEndSerialize(channel, destination, actual_size, | 634 bool rv = impl_->ConsumerEndSerialize(channel, destination, actual_size, |
634 platform_handles); | 635 platform_handles); |
635 | 636 |
636 // TODO(vtl): The code below is similar to, but not quite the same as, | 637 // TODO(vtl): The code below is similar to, but not quite the same as, |
637 // |ConsumerCloseNoLock()|. | 638 // |ConsumerCloseNoLock()|. |
638 consumer_awakable_list_->CancelAll(); | 639 consumer_awakable_list_->CancelAll(); |
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807 SetProducerClosedNoLock(); | 808 SetProducerClosedNoLock(); |
808 } | 809 } |
809 | 810 |
810 void DataPipe::SetConsumerClosed() { | 811 void DataPipe::SetConsumerClosed() { |
811 MutexLocker locker(&mutex_); | 812 MutexLocker locker(&mutex_); |
812 SetConsumerClosedNoLock(); | 813 SetConsumerClosedNoLock(); |
813 } | 814 } |
814 | 815 |
815 } // namespace system | 816 } // namespace system |
816 } // namespace mojo | 817 } // namespace mojo |
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