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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 "base/shared_memory.h" | 5 #include "base/shared_memory.h" |
6 | 6 |
7 #include <errno.h> | 7 #include <errno.h> |
8 #include <fcntl.h> | 8 #include <fcntl.h> |
9 #include <sys/mman.h> | 9 #include <sys/mman.h> |
10 #include <sys/stat.h> | 10 #include <sys/stat.h> |
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130 NOTIMPLEMENTED(); | 130 NOTIMPLEMENTED(); |
131 } | 131 } |
132 | 132 |
133 void SharedMemory::Unlock() { | 133 void SharedMemory::Unlock() { |
134 NOTIMPLEMENTED(); | 134 NOTIMPLEMENTED(); |
135 } | 135 } |
136 | 136 |
137 bool SharedMemory::ShareToProcessCommon(ProcessHandle process, | 137 bool SharedMemory::ShareToProcessCommon(ProcessHandle process, |
138 SharedMemoryHandle *new_handle, | 138 SharedMemoryHandle *new_handle, |
139 bool close_self) { | 139 bool close_self) { |
140 return false; | 140 const int new_fd = dup(mapped_file_); |
| 141 if (new_fd < 0) { |
| 142 DPLOG(ERROR) << "dup() failed."; |
| 143 return false; |
| 144 } |
| 145 |
| 146 new_handle->fd = new_fd; |
| 147 new_handle->auto_close = true; |
| 148 |
| 149 if (close_self) |
| 150 Close(); |
| 151 return true; |
141 } | 152 } |
142 | 153 |
143 } // namespace base | 154 } // namespace base |
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