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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 "third_party/mojo/src/mojo/edk/embedder/simple_platform_shared_buffer.h
" | 5 #include "mojo/edk/embedder/simple_platform_shared_buffer.h" |
| 6 | 6 |
| 7 #include <windows.h> | 7 #include <windows.h> |
| 8 | 8 |
| 9 #include <limits> | 9 #include <limits> |
| 10 | 10 |
| 11 #include "base/logging.h" | 11 #include "base/logging.h" |
| 12 #include "base/sys_info.h" | 12 #include "base/sys_info.h" |
| 13 #include "third_party/mojo/src/mojo/edk/embedder/platform_handle.h" | 13 #include "mojo/edk/embedder/platform_handle.h" |
| 14 #include "third_party/mojo/src/mojo/edk/embedder/scoped_platform_handle.h" | 14 #include "mojo/edk/embedder/scoped_platform_handle.h" |
| 15 | 15 |
| 16 namespace mojo { | 16 namespace mojo { |
| 17 namespace embedder { | 17 namespace edk { |
| 18 | 18 |
| 19 // SimplePlatformSharedBuffer -------------------------------------------------- | 19 // SimplePlatformSharedBuffer -------------------------------------------------- |
| 20 | 20 |
| 21 bool SimplePlatformSharedBuffer::Init() { | 21 bool SimplePlatformSharedBuffer::Init() { |
| 22 DCHECK(!handle_.is_valid()); | 22 DCHECK(!handle_.is_valid()); |
| 23 | 23 |
| 24 // TODO(vtl): Currently, we only support mapping up to 2^32-1 bytes. | 24 // TODO(vtl): Currently, we only support mapping up to 2^32-1 bytes. |
| 25 if (static_cast<uint64_t>(num_bytes_) > | 25 if (static_cast<uint64_t>(num_bytes_) > |
| 26 static_cast<uint64_t>(std::numeric_limits<DWORD>::max())) { | 26 static_cast<uint64_t>(std::numeric_limits<DWORD>::max())) { |
| 27 return false; | 27 return false; |
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| 77 base, length, real_base, real_length)); | 77 base, length, real_base, real_length)); |
| 78 } | 78 } |
| 79 | 79 |
| 80 // SimplePlatformSharedBufferMapping ------------------------------------------- | 80 // SimplePlatformSharedBufferMapping ------------------------------------------- |
| 81 | 81 |
| 82 void SimplePlatformSharedBufferMapping::Unmap() { | 82 void SimplePlatformSharedBufferMapping::Unmap() { |
| 83 BOOL result = UnmapViewOfFile(real_base_); | 83 BOOL result = UnmapViewOfFile(real_base_); |
| 84 PLOG_IF(ERROR, !result) << "UnmapViewOfFile"; | 84 PLOG_IF(ERROR, !result) << "UnmapViewOfFile"; |
| 85 } | 85 } |
| 86 | 86 |
| 87 } // namespace embedder | 87 } // namespace edk |
| 88 } // namespace mojo | 88 } // namespace mojo |
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