OLD | NEW |
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/memory/shared_memory.h" | 5 #include "base/memory/shared_memory.h" |
6 | 6 |
7 #include <errno.h> | 7 #include <errno.h> |
8 #include <fcntl.h> | 8 #include <fcntl.h> |
9 #include <stddef.h> | 9 #include <stddef.h> |
10 #include <sys/mman.h> | 10 #include <sys/mman.h> |
(...skipping 104 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
115 DPLOG(ERROR) << "munmap"; | 115 DPLOG(ERROR) << "munmap"; |
116 memory_ = NULL; | 116 memory_ = NULL; |
117 mapped_size_ = 0; | 117 mapped_size_ = 0; |
118 return true; | 118 return true; |
119 } | 119 } |
120 | 120 |
121 SharedMemoryHandle SharedMemory::handle() const { | 121 SharedMemoryHandle SharedMemory::handle() const { |
122 return FileDescriptor(mapped_file_, false); | 122 return FileDescriptor(mapped_file_, false); |
123 } | 123 } |
124 | 124 |
| 125 SharedMemoryHandle SharedMemory::TakeHandle() { |
| 126 FileDescriptor handle(mapped_file_, true); |
| 127 mapped_file_ = -1; |
| 128 memory_ = nullptr; |
| 129 mapped_size_ = 0; |
| 130 return handle; |
| 131 } |
| 132 |
125 void SharedMemory::Close() { | 133 void SharedMemory::Close() { |
126 if (mapped_file_ > 0) { | 134 if (mapped_file_ > 0) { |
127 if (close(mapped_file_) < 0) | 135 if (close(mapped_file_) < 0) |
128 DPLOG(ERROR) << "close"; | 136 DPLOG(ERROR) << "close"; |
129 mapped_file_ = -1; | 137 mapped_file_ = -1; |
130 } | 138 } |
131 } | 139 } |
132 | 140 |
133 bool SharedMemory::ShareToProcessCommon(ProcessHandle process, | 141 bool SharedMemory::ShareToProcessCommon(ProcessHandle process, |
134 SharedMemoryHandle *new_handle, | 142 SharedMemoryHandle *new_handle, |
(...skipping 14 matching lines...) Expand all Loading... |
149 new_handle->auto_close = true; | 157 new_handle->auto_close = true; |
150 | 158 |
151 if (close_self) { | 159 if (close_self) { |
152 Unmap(); | 160 Unmap(); |
153 Close(); | 161 Close(); |
154 } | 162 } |
155 return true; | 163 return true; |
156 } | 164 } |
157 | 165 |
158 } // namespace base | 166 } // namespace base |
OLD | NEW |