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Side by Side Diff: mojo/system/data_pipe.h

Issue 345463003: Mojo: MojoWaitFlags -> MojoHandleSignals. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 6 years, 6 months ago
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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_SYSTEM_DATA_PIPE_H_ 5 #ifndef MOJO_SYSTEM_DATA_PIPE_H_
6 #define MOJO_SYSTEM_DATA_PIPE_H_ 6 #define MOJO_SYSTEM_DATA_PIPE_H_
7 7
8 #include <stdint.h> 8 #include <stdint.h>
9 9
10 #include "base/macros.h" 10 #include "base/macros.h"
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53 // a multiple of |element_num_bytes_|. 53 // a multiple of |element_num_bytes_|.
54 MojoResult ProducerWriteData(const void* elements, 54 MojoResult ProducerWriteData(const void* elements,
55 uint32_t* num_bytes, 55 uint32_t* num_bytes,
56 bool all_or_none); 56 bool all_or_none);
57 // This does not validate its arguments. 57 // This does not validate its arguments.
58 MojoResult ProducerBeginWriteData(void** buffer, 58 MojoResult ProducerBeginWriteData(void** buffer,
59 uint32_t* buffer_num_bytes, 59 uint32_t* buffer_num_bytes,
60 bool all_or_none); 60 bool all_or_none);
61 MojoResult ProducerEndWriteData(uint32_t num_bytes_written); 61 MojoResult ProducerEndWriteData(uint32_t num_bytes_written);
62 MojoResult ProducerAddWaiter(Waiter* waiter, 62 MojoResult ProducerAddWaiter(Waiter* waiter,
63 MojoWaitFlags flags, 63 MojoHandleSignals signals,
64 uint32_t context); 64 uint32_t context);
65 void ProducerRemoveWaiter(Waiter* waiter); 65 void ProducerRemoveWaiter(Waiter* waiter);
66 bool ProducerIsBusy() const; 66 bool ProducerIsBusy() const;
67 67
68 // These are called by the consumer dispatcher to implement its methods of 68 // These are called by the consumer dispatcher to implement its methods of
69 // corresponding names. 69 // corresponding names.
70 void ConsumerCancelAllWaiters(); 70 void ConsumerCancelAllWaiters();
71 void ConsumerClose(); 71 void ConsumerClose();
72 // This does not validate its arguments, except to check that |*num_bytes| is 72 // This does not validate its arguments, except to check that |*num_bytes| is
73 // a multiple of |element_num_bytes_|. 73 // a multiple of |element_num_bytes_|.
74 MojoResult ConsumerReadData(void* elements, 74 MojoResult ConsumerReadData(void* elements,
75 uint32_t* num_bytes, 75 uint32_t* num_bytes,
76 bool all_or_none); 76 bool all_or_none);
77 MojoResult ConsumerDiscardData(uint32_t* num_bytes, 77 MojoResult ConsumerDiscardData(uint32_t* num_bytes,
78 bool all_or_none); 78 bool all_or_none);
79 MojoResult ConsumerQueryData(uint32_t* num_bytes); 79 MojoResult ConsumerQueryData(uint32_t* num_bytes);
80 // This does not validate its arguments. 80 // This does not validate its arguments.
81 MojoResult ConsumerBeginReadData(const void** buffer, 81 MojoResult ConsumerBeginReadData(const void** buffer,
82 uint32_t* buffer_num_bytes, 82 uint32_t* buffer_num_bytes,
83 bool all_or_none); 83 bool all_or_none);
84 MojoResult ConsumerEndReadData(uint32_t num_bytes_read); 84 MojoResult ConsumerEndReadData(uint32_t num_bytes_read);
85 MojoResult ConsumerAddWaiter(Waiter* waiter, 85 MojoResult ConsumerAddWaiter(Waiter* waiter,
86 MojoWaitFlags flags, 86 MojoHandleSignals signals,
87 uint32_t context); 87 uint32_t context);
88 void ConsumerRemoveWaiter(Waiter* waiter); 88 void ConsumerRemoveWaiter(Waiter* waiter);
89 bool ConsumerIsBusy() const; 89 bool ConsumerIsBusy() const;
90 90
91 protected: 91 protected:
92 DataPipe(bool has_local_producer, 92 DataPipe(bool has_local_producer,
93 bool has_local_consumer, 93 bool has_local_consumer,
94 const MojoCreateDataPipeOptions& validated_options); 94 const MojoCreateDataPipeOptions& validated_options);
95 95
96 friend class base::RefCountedThreadSafe<DataPipe>; 96 friend class base::RefCountedThreadSafe<DataPipe>;
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196 uint32_t producer_two_phase_max_num_bytes_written_; 196 uint32_t producer_two_phase_max_num_bytes_written_;
197 uint32_t consumer_two_phase_max_num_bytes_read_; 197 uint32_t consumer_two_phase_max_num_bytes_read_;
198 198
199 DISALLOW_COPY_AND_ASSIGN(DataPipe); 199 DISALLOW_COPY_AND_ASSIGN(DataPipe);
200 }; 200 };
201 201
202 } // namespace system 202 } // namespace system
203 } // namespace mojo 203 } // namespace mojo
204 204
205 #endif // MOJO_SYSTEM_DATA_PIPE_H_ 205 #endif // MOJO_SYSTEM_DATA_PIPE_H_
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