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Side by Side Diff: mojo/edk/system/message_pipe_endpoint.h

Issue 782693004: Update mojo sdk to rev f6c8ec07c01deebc13178d516225fd12695c3dc2 (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: hack mojo_system_impl gypi for android :| Created 6 years 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_EDK_SYSTEM_MESSAGE_PIPE_ENDPOINT_H_ 5 #ifndef MOJO_EDK_SYSTEM_MESSAGE_PIPE_ENDPOINT_H_
6 #define MOJO_EDK_SYSTEM_MESSAGE_PIPE_ENDPOINT_H_ 6 #define MOJO_EDK_SYSTEM_MESSAGE_PIPE_ENDPOINT_H_
7 7
8 #include <stdint.h> 8 #include <stdint.h>
9 9
10 #include <vector> 10 #include <vector>
11 11
12 #include "base/macros.h" 12 #include "base/macros.h"
13 #include "base/memory/ref_counted.h" 13 #include "base/memory/ref_counted.h"
14 #include "base/memory/scoped_ptr.h" 14 #include "base/memory/scoped_ptr.h"
15 #include "mojo/edk/system/dispatcher.h" 15 #include "mojo/edk/system/dispatcher.h"
16 #include "mojo/edk/system/memory.h" 16 #include "mojo/edk/system/memory.h"
17 #include "mojo/edk/system/message_in_transit.h" 17 #include "mojo/edk/system/message_in_transit.h"
18 #include "mojo/edk/system/system_impl_export.h" 18 #include "mojo/edk/system/system_impl_export.h"
19 #include "mojo/public/c/system/message_pipe.h" 19 #include "mojo/public/c/system/message_pipe.h"
20 #include "mojo/public/c/system/types.h" 20 #include "mojo/public/c/system/types.h"
21 21
22 namespace mojo { 22 namespace mojo {
23 namespace system { 23 namespace system {
24 24
25 class ChannelEndpoint; 25 class ChannelEndpoint;
26 class Waiter; 26 class Awakable;
27 27
28 // This is an interface to one of the ends of a message pipe, and is used by 28 // This is an interface to one of the ends of a message pipe, and is used by
29 // |MessagePipe|. Its most important role is to provide a sink for messages 29 // |MessagePipe|. Its most important role is to provide a sink for messages
30 // (i.e., a place where messages can be sent). It has a secondary role: When the 30 // (i.e., a place where messages can be sent). It has a secondary role: When the
31 // endpoint is local (i.e., in the current process), there'll be a dispatcher 31 // endpoint is local (i.e., in the current process), there'll be a dispatcher
32 // corresponding to the endpoint. In that case, the implementation of 32 // corresponding to the endpoint. In that case, the implementation of
33 // |MessagePipeEndpoint| also implements the functionality required by the 33 // |MessagePipeEndpoint| also implements the functionality required by the
34 // dispatcher, e.g., to read messages and to wait. Implementations of this class 34 // dispatcher, e.g., to read messages and to wait. Implementations of this class
35 // are not thread-safe; instances are protected by |MesssagePipe|'s lock. 35 // are not thread-safe; instances are protected by |MesssagePipe|'s lock.
36 class MOJO_SYSTEM_IMPL_EXPORT MessagePipeEndpoint { 36 class MOJO_SYSTEM_IMPL_EXPORT MessagePipeEndpoint {
(...skipping 14 matching lines...) Expand all
51 virtual void Close() = 0; 51 virtual void Close() = 0;
52 52
53 // Implementations must override these if they represent a local endpoint, 53 // Implementations must override these if they represent a local endpoint,
54 // i.e., one for which there's a |MessagePipeDispatcher| (and thus a handle). 54 // i.e., one for which there's a |MessagePipeDispatcher| (and thus a handle).
55 // An implementation for a proxy endpoint (for which there's no dispatcher) 55 // An implementation for a proxy endpoint (for which there's no dispatcher)
56 // needs not override these methods, since they should never be called. 56 // needs not override these methods, since they should never be called.
57 // 57 //
58 // These methods implement the methods of the same name in |MessagePipe|, 58 // These methods implement the methods of the same name in |MessagePipe|,
59 // though |MessagePipe|'s implementation may have to do a little more if the 59 // though |MessagePipe|'s implementation may have to do a little more if the
60 // operation involves both endpoints. 60 // operation involves both endpoints.
61 virtual void CancelAllWaiters(); 61 virtual void CancelAllAwakables();
62 virtual MojoResult ReadMessage(UserPointer<void> bytes, 62 virtual MojoResult ReadMessage(UserPointer<void> bytes,
63 UserPointer<uint32_t> num_bytes, 63 UserPointer<uint32_t> num_bytes,
64 DispatcherVector* dispatchers, 64 DispatcherVector* dispatchers,
65 uint32_t* num_dispatchers, 65 uint32_t* num_dispatchers,
66 MojoReadMessageFlags flags); 66 MojoReadMessageFlags flags);
67 virtual HandleSignalsState GetHandleSignalsState() const; 67 virtual HandleSignalsState GetHandleSignalsState() const;
68 virtual MojoResult AddWaiter(Waiter* waiter, 68 virtual MojoResult AddAwakable(Awakable* awakable,
69 MojoHandleSignals signals, 69 MojoHandleSignals signals,
70 uint32_t context, 70 uint32_t context,
71 HandleSignalsState* signals_state); 71 HandleSignalsState* signals_state);
72 virtual void RemoveWaiter(Waiter* waiter, HandleSignalsState* signals_state); 72 virtual void RemoveAwakable(Awakable* awakable,
73 HandleSignalsState* signals_state);
73 74
74 // Implementations must override these if they represent a proxy endpoint. An 75 // Implementations must override these if they represent a proxy endpoint. An
75 // implementation for a local endpoint needs not override these methods, since 76 // implementation for a local endpoint needs not override these methods, since
76 // they should never be called. 77 // they should never be called.
77 virtual void Attach(ChannelEndpoint* channel_endpoint); 78 virtual void Attach(ChannelEndpoint* channel_endpoint);
78 79
79 protected: 80 protected:
80 MessagePipeEndpoint() {} 81 MessagePipeEndpoint() {}
81 82
82 private: 83 private:
83 DISALLOW_COPY_AND_ASSIGN(MessagePipeEndpoint); 84 DISALLOW_COPY_AND_ASSIGN(MessagePipeEndpoint);
84 }; 85 };
85 86
86 } // namespace system 87 } // namespace system
87 } // namespace mojo 88 } // namespace mojo
88 89
89 #endif // MOJO_EDK_SYSTEM_MESSAGE_PIPE_ENDPOINT_H_ 90 #endif // MOJO_EDK_SYSTEM_MESSAGE_PIPE_ENDPOINT_H_
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