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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 <stdint.h> | 7 #include <stdint.h> |
| 8 #include <sys/mman.h> // For |PROT_...|. | 8 #include <sys/mman.h> // For |PROT_...|. |
| 9 #include <sys/types.h> // For |off_t|. | 9 #include <sys/types.h> // For |off_t|. |
| 10 | 10 |
| 11 #include <limits> | 11 #include <limits> |
| 12 | 12 |
| 13 #include "base/files/scoped_file.h" | 13 #include "base/files/scoped_file.h" |
| 14 #include "base/logging.h" | 14 #include "base/logging.h" |
| 15 #include "mojo/edk/embedder/platform_handle.h" |
| 15 #include "third_party/ashmem/ashmem.h" | 16 #include "third_party/ashmem/ashmem.h" |
| 16 #include "third_party/mojo/src/mojo/edk/embedder/platform_handle.h" | |
| 17 | 17 |
| 18 namespace mojo { | 18 namespace mojo { |
| 19 namespace embedder { | 19 namespace edk { |
| 20 | 20 |
| 21 // SimplePlatformSharedBuffer -------------------------------------------------- | 21 // SimplePlatformSharedBuffer -------------------------------------------------- |
| 22 | 22 |
| 23 bool SimplePlatformSharedBuffer::Init() { | 23 bool SimplePlatformSharedBuffer::Init() { |
| 24 DCHECK(!handle_.is_valid()); | 24 DCHECK(!handle_.is_valid()); |
| 25 | 25 |
| 26 if (static_cast<uint64_t>(num_bytes_) > | 26 if (static_cast<uint64_t>(num_bytes_) > |
| 27 static_cast<uint64_t>(std::numeric_limits<off_t>::max())) { | 27 static_cast<uint64_t>(std::numeric_limits<off_t>::max())) { |
| 28 return false; | 28 return false; |
| 29 } | 29 } |
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| 61 | 61 |
| 62 if (static_cast<size_t>(size) != num_bytes_) { | 62 if (static_cast<size_t>(size) != num_bytes_) { |
| 63 LOG(ERROR) << "Shared memory region has the wrong size"; | 63 LOG(ERROR) << "Shared memory region has the wrong size"; |
| 64 return false; | 64 return false; |
| 65 } | 65 } |
| 66 | 66 |
| 67 handle_ = platform_handle.Pass(); | 67 handle_ = platform_handle.Pass(); |
| 68 return true; | 68 return true; |
| 69 } | 69 } |
| 70 | 70 |
| 71 } // namespace embedder | 71 } // namespace edk |
| 72 } // namespace mojo | 72 } // namespace mojo |
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