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Side by Side Diff: mojo/system/shared_buffer_dispatcher.cc

Issue 219023010: Mojo: RawSharedBuffer::Mapping -> RawSharedBufferMapping. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: win Created 6 years, 8 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 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/system/shared_buffer_dispatcher.h" 5 #include "mojo/system/shared_buffer_dispatcher.h"
6 6
7 #include <limits> 7 #include <limits>
8 8
9 #include "base/logging.h" 9 #include "base/logging.h"
10 #include "base/memory/scoped_ptr.h" 10 #include "base/memory/scoped_ptr.h"
11 #include "mojo/system/constants.h" 11 #include "mojo/system/constants.h"
12 #include "mojo/system/memory.h" 12 #include "mojo/system/memory.h"
13 #include "mojo/system/raw_shared_buffer.h"
13 14
14 namespace mojo { 15 namespace mojo {
15 namespace system { 16 namespace system {
16 17
17 // static 18 // static
18 MojoResult SharedBufferDispatcher::ValidateOptions( 19 MojoResult SharedBufferDispatcher::ValidateOptions(
19 const MojoCreateSharedBufferOptions* in_options, 20 const MojoCreateSharedBufferOptions* in_options,
20 MojoCreateSharedBufferOptions* out_options) { 21 MojoCreateSharedBufferOptions* out_options) {
21 static const MojoCreateSharedBufferOptions kDefaultOptions = { 22 static const MojoCreateSharedBufferOptions kDefaultOptions = {
22 static_cast<uint32_t>(sizeof(MojoCreateSharedBufferOptions)), 23 static_cast<uint32_t>(sizeof(MojoCreateSharedBufferOptions)),
(...skipping 76 matching lines...) Expand 10 before | Expand all | Expand 10 after
99 } 100 }
100 101
101 *new_dispatcher = new SharedBufferDispatcher(shared_buffer_); 102 *new_dispatcher = new SharedBufferDispatcher(shared_buffer_);
102 return MOJO_RESULT_OK; 103 return MOJO_RESULT_OK;
103 } 104 }
104 105
105 MojoResult SharedBufferDispatcher::MapBufferImplNoLock( 106 MojoResult SharedBufferDispatcher::MapBufferImplNoLock(
106 uint64_t offset, 107 uint64_t offset,
107 uint64_t num_bytes, 108 uint64_t num_bytes,
108 MojoMapBufferFlags flags, 109 MojoMapBufferFlags flags,
109 scoped_ptr<RawSharedBuffer::Mapping>* mapping) { 110 scoped_ptr<RawSharedBufferMapping>* mapping) {
110 DCHECK(shared_buffer_); 111 DCHECK(shared_buffer_);
111 112
112 if (offset > static_cast<uint64_t>(std::numeric_limits<size_t>::max())) 113 if (offset > static_cast<uint64_t>(std::numeric_limits<size_t>::max()))
113 return MOJO_RESULT_INVALID_ARGUMENT; 114 return MOJO_RESULT_INVALID_ARGUMENT;
114 if (num_bytes > static_cast<uint64_t>(std::numeric_limits<size_t>::max())) 115 if (num_bytes > static_cast<uint64_t>(std::numeric_limits<size_t>::max()))
115 return MOJO_RESULT_INVALID_ARGUMENT; 116 return MOJO_RESULT_INVALID_ARGUMENT;
116 117
117 if (!shared_buffer_->IsValidMap(static_cast<size_t>(offset), 118 if (!shared_buffer_->IsValidMap(static_cast<size_t>(offset),
118 static_cast<size_t>(num_bytes))) 119 static_cast<size_t>(num_bytes)))
119 return MOJO_RESULT_INVALID_ARGUMENT; 120 return MOJO_RESULT_INVALID_ARGUMENT;
(...skipping 12 matching lines...) Expand all
132 return MOJO_WAIT_FLAG_NONE; 133 return MOJO_WAIT_FLAG_NONE;
133 } 134 }
134 135
135 MojoWaitFlags SharedBufferDispatcher::SatisfiableFlagsNoLock() const { 136 MojoWaitFlags SharedBufferDispatcher::SatisfiableFlagsNoLock() const {
136 // TODO(vtl): Add transferrable flag. 137 // TODO(vtl): Add transferrable flag.
137 return MOJO_WAIT_FLAG_NONE; 138 return MOJO_WAIT_FLAG_NONE;
138 } 139 }
139 140
140 } // namespace system 141 } // namespace system
141 } // namespace mojo 142 } // namespace mojo
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