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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/memory/shared_memory.h" | 5 #include "base/memory/shared_memory.h" |
6 | 6 |
7 #include <errno.h> | 7 #include <errno.h> |
8 #include <mach/mach_vm.h> | 8 #include <mach/mach_vm.h> |
9 #include <stddef.h> | 9 #include <stddef.h> |
10 #include <sys/mman.h> | 10 #include <sys/mman.h> |
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277 return new_handle; | 277 return new_handle; |
278 } | 278 } |
279 | 279 |
280 bool SharedMemory::Share(SharedMemoryHandle* new_handle) { | 280 bool SharedMemory::Share(SharedMemoryHandle* new_handle) { |
281 DCHECK(shm_.IsValid()); | 281 DCHECK(shm_.IsValid()); |
282 *new_handle = shm_.Duplicate(); | 282 *new_handle = shm_.Duplicate(); |
283 return new_handle->IsValid(); | 283 return new_handle->IsValid(); |
284 } | 284 } |
285 | 285 |
286 bool SharedMemory::ShareToProcessCommon(ProcessHandle process, | 286 bool SharedMemory::ShareToProcessCommon(ProcessHandle process, |
287 SharedMemoryHandle* new_handle, | 287 SharedMemoryHandle* new_handle) { |
288 bool close_self) { | |
289 bool success = Share(new_handle); | 288 bool success = Share(new_handle); |
290 if (close_self) { | |
291 Unmap(); | |
292 Close(); | |
293 } | |
294 return success; | 289 return success; |
295 } | 290 } |
296 | 291 |
297 } // namespace base | 292 } // namespace base |
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