| OLD | NEW |
| (Empty) |
| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef MOJO_EDK_SYSTEM_DATA_PIPE_PRODUCER_DISPATCHER_H_ | |
| 6 #define MOJO_EDK_SYSTEM_DATA_PIPE_PRODUCER_DISPATCHER_H_ | |
| 7 | |
| 8 #include "base/macros.h" | |
| 9 #include "base/memory/ref_counted.h" | |
| 10 #include "mojo/edk/system/dispatcher.h" | |
| 11 #include "mojo/edk/system/system_impl_export.h" | |
| 12 | |
| 13 namespace mojo { | |
| 14 namespace system { | |
| 15 | |
| 16 class DataPipe; | |
| 17 | |
| 18 // This is the |Dispatcher| implementation for the producer handle for data | |
| 19 // pipes (created by the Mojo primitive |MojoCreateDataPipe()|). This class is | |
| 20 // thread-safe. | |
| 21 class MOJO_SYSTEM_IMPL_EXPORT DataPipeProducerDispatcher : public Dispatcher { | |
| 22 public: | |
| 23 DataPipeProducerDispatcher(); | |
| 24 | |
| 25 // Must be called before any other methods. | |
| 26 void Init(scoped_refptr<DataPipe> data_pipe); | |
| 27 | |
| 28 // |Dispatcher| public methods: | |
| 29 Type GetType() const override; | |
| 30 | |
| 31 private: | |
| 32 ~DataPipeProducerDispatcher() override; | |
| 33 | |
| 34 // |Dispatcher| protected methods: | |
| 35 void CancelAllAwakablesNoLock() override; | |
| 36 void CloseImplNoLock() override; | |
| 37 scoped_refptr<Dispatcher> CreateEquivalentDispatcherAndCloseImplNoLock() | |
| 38 override; | |
| 39 MojoResult WriteDataImplNoLock(UserPointer<const void> elements, | |
| 40 UserPointer<uint32_t> num_bytes, | |
| 41 MojoWriteDataFlags flags) override; | |
| 42 MojoResult BeginWriteDataImplNoLock(UserPointer<void*> buffer, | |
| 43 UserPointer<uint32_t> buffer_num_bytes, | |
| 44 MojoWriteDataFlags flags) override; | |
| 45 MojoResult EndWriteDataImplNoLock(uint32_t num_bytes_written) override; | |
| 46 HandleSignalsState GetHandleSignalsStateImplNoLock() const override; | |
| 47 MojoResult AddAwakableImplNoLock(Awakable* awakable, | |
| 48 MojoHandleSignals signals, | |
| 49 uint32_t context, | |
| 50 HandleSignalsState* signals_state) override; | |
| 51 void RemoveAwakableImplNoLock(Awakable* awakable, | |
| 52 HandleSignalsState* signals_state) override; | |
| 53 bool IsBusyNoLock() const override; | |
| 54 | |
| 55 // Protected by |lock()|: | |
| 56 scoped_refptr<DataPipe> data_pipe_; // This will be null if closed. | |
| 57 | |
| 58 DISALLOW_COPY_AND_ASSIGN(DataPipeProducerDispatcher); | |
| 59 }; | |
| 60 | |
| 61 } // namespace system | |
| 62 } // namespace mojo | |
| 63 | |
| 64 #endif // MOJO_EDK_SYSTEM_DATA_PIPE_PRODUCER_DISPATCHER_H_ | |
| OLD | NEW |