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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/raw_channel.h" | 5 #include "mojo/edk/system/raw_channel.h" |
| 6 | 6 |
| 7 #include <errno.h> | 7 #include <errno.h> |
| 8 #include <sys/uio.h> | 8 #include <sys/uio.h> |
| 9 #include <unistd.h> | 9 #include <unistd.h> |
| 10 | 10 |
| 11 #include <algorithm> | 11 #include <algorithm> |
| 12 #include <deque> | 12 #include <deque> |
| 13 #include <iterator> | 13 #include <iterator> |
| 14 #include <memory> | 14 #include <memory> |
| 15 #include <utility> | 15 #include <utility> |
| 16 #include <vector> | 16 #include <vector> |
| 17 | 17 |
| 18 #include "base/bind.h" | 18 #include "base/bind.h" |
| 19 #include "base/location.h" | 19 #include "base/location.h" |
| 20 #include "base/logging.h" | 20 #include "base/logging.h" |
| 21 #include "base/memory/weak_ptr.h" | 21 #include "base/memory/weak_ptr.h" |
| 22 #include "base/message_loop/message_loop.h" | 22 #include "base/message_loop/message_loop.h" |
| 23 #include "mojo/edk/embedder/platform_channel_utils.h" | 23 #include "mojo/edk/embedder/platform_channel_utils.h" |
| 24 #include "mojo/edk/embedder/platform_handle.h" | 24 #include "mojo/edk/platform/platform_handle.h" |
| 25 #include "mojo/edk/embedder/scoped_platform_handle.h" | 25 #include "mojo/edk/platform/scoped_platform_handle.h" |
| 26 #include "mojo/edk/system/transport_data.h" | 26 #include "mojo/edk/system/transport_data.h" |
| 27 #include "mojo/edk/util/make_unique.h" | 27 #include "mojo/edk/util/make_unique.h" |
| 28 #include "mojo/public/cpp/system/macros.h" | 28 #include "mojo/public/cpp/system/macros.h" |
| 29 | 29 |
| 30 using mojo::embedder::ScopedPlatformHandle; | 30 using mojo::platform::PlatformHandle; |
| 31 using mojo::platform::ScopedPlatformHandle; |
| 31 using mojo::util::MakeUnique; | 32 using mojo::util::MakeUnique; |
| 32 using mojo::util::MutexLocker; | 33 using mojo::util::MutexLocker; |
| 33 | 34 |
| 34 namespace mojo { | 35 namespace mojo { |
| 35 namespace system { | 36 namespace system { |
| 36 | 37 |
| 37 namespace { | 38 namespace { |
| 38 | 39 |
| 39 class RawChannelPosix final : public RawChannel, | 40 class RawChannelPosix final : public RawChannel, |
| 40 public base::MessageLoopForIO::Watcher { | 41 public base::MessageLoopForIO::Watcher { |
| (...skipping 180 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 221 RawChannel::IOResult RawChannelPosix::WriteNoLock( | 222 RawChannel::IOResult RawChannelPosix::WriteNoLock( |
| 222 size_t* platform_handles_written, | 223 size_t* platform_handles_written, |
| 223 size_t* bytes_written) { | 224 size_t* bytes_written) { |
| 224 write_mutex().AssertHeld(); | 225 write_mutex().AssertHeld(); |
| 225 | 226 |
| 226 DCHECK(!pending_write_); | 227 DCHECK(!pending_write_); |
| 227 | 228 |
| 228 size_t num_platform_handles = 0; | 229 size_t num_platform_handles = 0; |
| 229 ssize_t write_result; | 230 ssize_t write_result; |
| 230 if (write_buffer_no_lock()->HavePlatformHandlesToSend()) { | 231 if (write_buffer_no_lock()->HavePlatformHandlesToSend()) { |
| 231 embedder::PlatformHandle* platform_handles; | 232 PlatformHandle* platform_handles; |
| 232 void* serialization_data; // Actually unused. | 233 void* serialization_data; // Actually unused. |
| 233 write_buffer_no_lock()->GetPlatformHandlesToSend( | 234 write_buffer_no_lock()->GetPlatformHandlesToSend( |
| 234 &num_platform_handles, &platform_handles, &serialization_data); | 235 &num_platform_handles, &platform_handles, &serialization_data); |
| 235 DCHECK_GT(num_platform_handles, 0u); | 236 DCHECK_GT(num_platform_handles, 0u); |
| 236 DCHECK_LE(num_platform_handles, embedder::kPlatformChannelMaxNumHandles); | 237 DCHECK_LE(num_platform_handles, embedder::kPlatformChannelMaxNumHandles); |
| 237 DCHECK(platform_handles); | 238 DCHECK(platform_handles); |
| 238 | 239 |
| 239 // TODO(vtl): Reduce code duplication. (This is duplicated from below.) | 240 // TODO(vtl): Reduce code duplication. (This is duplicated from below.) |
| 240 std::vector<WriteBuffer::Buffer> buffers; | 241 std::vector<WriteBuffer::Buffer> buffers; |
| 241 write_buffer_no_lock()->GetBuffers(&buffers); | 242 write_buffer_no_lock()->GetBuffers(&buffers); |
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| 474 // ----------------------------------------------------------------------------- | 475 // ----------------------------------------------------------------------------- |
| 475 | 476 |
| 476 // Static factory method declared in raw_channel.h. | 477 // Static factory method declared in raw_channel.h. |
| 477 // static | 478 // static |
| 478 std::unique_ptr<RawChannel> RawChannel::Create(ScopedPlatformHandle handle) { | 479 std::unique_ptr<RawChannel> RawChannel::Create(ScopedPlatformHandle handle) { |
| 479 return MakeUnique<RawChannelPosix>(handle.Pass()); | 480 return MakeUnique<RawChannelPosix>(handle.Pass()); |
| 480 } | 481 } |
| 481 | 482 |
| 482 } // namespace system | 483 } // namespace system |
| 483 } // namespace mojo | 484 } // namespace mojo |
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