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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 #ifndef MOJO_EDK_SYSTEM_DATA_PIPE_H_ | 5 #ifndef MOJO_EDK_SYSTEM_DATA_PIPE_H_ |
6 #define MOJO_EDK_SYSTEM_DATA_PIPE_H_ | 6 #define MOJO_EDK_SYSTEM_DATA_PIPE_H_ |
7 | 7 |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include <memory> | 10 #include <memory> |
| 11 #include <vector> |
11 | 12 |
12 #include "mojo/edk/embedder/platform_handle_vector.h" | 13 #include "mojo/edk/embedder/scoped_platform_handle.h" |
13 #include "mojo/edk/system/channel_endpoint_client.h" | 14 #include "mojo/edk/system/channel_endpoint_client.h" |
14 #include "mojo/edk/system/handle_signals_state.h" | 15 #include "mojo/edk/system/handle_signals_state.h" |
15 #include "mojo/edk/system/memory.h" | 16 #include "mojo/edk/system/memory.h" |
16 #include "mojo/edk/util/mutex.h" | 17 #include "mojo/edk/util/mutex.h" |
17 #include "mojo/edk/util/ref_ptr.h" | 18 #include "mojo/edk/util/ref_ptr.h" |
18 #include "mojo/edk/util/thread_annotations.h" | 19 #include "mojo/edk/util/thread_annotations.h" |
19 #include "mojo/public/c/system/data_pipe.h" | 20 #include "mojo/public/c/system/data_pipe.h" |
20 #include "mojo/public/c/system/types.h" | 21 #include "mojo/public/c/system/types.h" |
21 #include "mojo/public/cpp/system/macros.h" | 22 #include "mojo/public/cpp/system/macros.h" |
22 | 23 |
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112 HandleSignalsState ProducerGetHandleSignalsState(); | 113 HandleSignalsState ProducerGetHandleSignalsState(); |
113 MojoResult ProducerAddAwakable(Awakable* awakable, | 114 MojoResult ProducerAddAwakable(Awakable* awakable, |
114 MojoHandleSignals signals, | 115 MojoHandleSignals signals, |
115 uint32_t context, | 116 uint32_t context, |
116 HandleSignalsState* signals_state); | 117 HandleSignalsState* signals_state); |
117 void ProducerRemoveAwakable(Awakable* awakable, | 118 void ProducerRemoveAwakable(Awakable* awakable, |
118 HandleSignalsState* signals_state); | 119 HandleSignalsState* signals_state); |
119 void ProducerStartSerialize(Channel* channel, | 120 void ProducerStartSerialize(Channel* channel, |
120 size_t* max_size, | 121 size_t* max_size, |
121 size_t* max_platform_handles); | 122 size_t* max_platform_handles); |
122 bool ProducerEndSerialize(Channel* channel, | 123 bool ProducerEndSerialize( |
123 void* destination, | 124 Channel* channel, |
124 size_t* actual_size, | 125 void* destination, |
125 embedder::PlatformHandleVector* platform_handles); | 126 size_t* actual_size, |
| 127 std::vector<embedder::ScopedPlatformHandle>* platform_handles); |
126 bool ProducerIsBusy() const; | 128 bool ProducerIsBusy() const; |
127 | 129 |
128 // These are called by the consumer dispatcher to implement its methods of | 130 // These are called by the consumer dispatcher to implement its methods of |
129 // corresponding names. | 131 // corresponding names. |
130 void ConsumerCancelAllAwakables(); | 132 void ConsumerCancelAllAwakables(); |
131 void ConsumerClose(); | 133 void ConsumerClose(); |
132 // This does not validate its arguments, except to check that |*num_bytes| is | 134 // This does not validate its arguments, except to check that |*num_bytes| is |
133 // a multiple of |element_num_bytes_|. | 135 // a multiple of |element_num_bytes_|. |
134 MojoResult ConsumerReadData(UserPointer<void> elements, | 136 MojoResult ConsumerReadData(UserPointer<void> elements, |
135 UserPointer<uint32_t> num_bytes, | 137 UserPointer<uint32_t> num_bytes, |
136 bool all_or_none, | 138 bool all_or_none, |
137 bool peek); | 139 bool peek); |
138 MojoResult ConsumerDiscardData(UserPointer<uint32_t> num_bytes, | 140 MojoResult ConsumerDiscardData(UserPointer<uint32_t> num_bytes, |
139 bool all_or_none); | 141 bool all_or_none); |
140 MojoResult ConsumerQueryData(UserPointer<uint32_t> num_bytes); | 142 MojoResult ConsumerQueryData(UserPointer<uint32_t> num_bytes); |
141 MojoResult ConsumerBeginReadData(UserPointer<const void*> buffer, | 143 MojoResult ConsumerBeginReadData(UserPointer<const void*> buffer, |
142 UserPointer<uint32_t> buffer_num_bytes); | 144 UserPointer<uint32_t> buffer_num_bytes); |
143 MojoResult ConsumerEndReadData(uint32_t num_bytes_read); | 145 MojoResult ConsumerEndReadData(uint32_t num_bytes_read); |
144 HandleSignalsState ConsumerGetHandleSignalsState(); | 146 HandleSignalsState ConsumerGetHandleSignalsState(); |
145 MojoResult ConsumerAddAwakable(Awakable* awakable, | 147 MojoResult ConsumerAddAwakable(Awakable* awakable, |
146 MojoHandleSignals signals, | 148 MojoHandleSignals signals, |
147 uint32_t context, | 149 uint32_t context, |
148 HandleSignalsState* signals_state); | 150 HandleSignalsState* signals_state); |
149 void ConsumerRemoveAwakable(Awakable* awakable, | 151 void ConsumerRemoveAwakable(Awakable* awakable, |
150 HandleSignalsState* signals_state); | 152 HandleSignalsState* signals_state); |
151 void ConsumerStartSerialize(Channel* channel, | 153 void ConsumerStartSerialize(Channel* channel, |
152 size_t* max_size, | 154 size_t* max_size, |
153 size_t* max_platform_handles); | 155 size_t* max_platform_handles); |
154 bool ConsumerEndSerialize(Channel* channel, | 156 bool ConsumerEndSerialize( |
155 void* destination, | 157 Channel* channel, |
156 size_t* actual_size, | 158 void* destination, |
157 embedder::PlatformHandleVector* platform_handles); | 159 size_t* actual_size, |
| 160 std::vector<embedder::ScopedPlatformHandle>* platform_handles); |
158 bool ConsumerIsBusy() const; | 161 bool ConsumerIsBusy() const; |
159 | 162 |
160 // The following are only to be used by |DataPipeImpl| (and its subclasses): | 163 // The following are only to be used by |DataPipeImpl| (and its subclasses): |
161 | 164 |
162 // Replaces |impl_| with |new_impl| (which must not be null). For use when | 165 // Replaces |impl_| with |new_impl| (which must not be null). For use when |
163 // serializing data pipe dispatchers (i.e., in |ProducerEndSerialize()| and | 166 // serializing data pipe dispatchers (i.e., in |ProducerEndSerialize()| and |
164 // |ConsumerEndSerialize()|). Returns the old value of |impl_| (in case the | 167 // |ConsumerEndSerialize()|). Returns the old value of |impl_| (in case the |
165 // caller needs to manage its lifetime). | 168 // caller needs to manage its lifetime). |
166 std::unique_ptr<DataPipeImpl> ReplaceImplNoLock( | 169 std::unique_ptr<DataPipeImpl> ReplaceImplNoLock( |
167 std::unique_ptr<DataPipeImpl> new_impl) | 170 std::unique_ptr<DataPipeImpl> new_impl) |
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275 uint32_t consumer_two_phase_max_num_bytes_read_ MOJO_GUARDED_BY(mutex_); | 278 uint32_t consumer_two_phase_max_num_bytes_read_ MOJO_GUARDED_BY(mutex_); |
276 std::unique_ptr<DataPipeImpl> impl_ MOJO_GUARDED_BY(mutex_); | 279 std::unique_ptr<DataPipeImpl> impl_ MOJO_GUARDED_BY(mutex_); |
277 | 280 |
278 MOJO_DISALLOW_COPY_AND_ASSIGN(DataPipe); | 281 MOJO_DISALLOW_COPY_AND_ASSIGN(DataPipe); |
279 }; | 282 }; |
280 | 283 |
281 } // namespace system | 284 } // namespace system |
282 } // namespace mojo | 285 } // namespace mojo |
283 | 286 |
284 #endif // MOJO_EDK_SYSTEM_DATA_PIPE_H_ | 287 #endif // MOJO_EDK_SYSTEM_DATA_PIPE_H_ |
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