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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/files/file.h" | 5 #include "base/files/file.h" |
6 | 6 |
7 #include <io.h> | 7 #include <io.h> |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include "base/logging.h" | 10 #include "base/logging.h" |
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242 DCHECK(IsValid()); | 242 DCHECK(IsValid()); |
243 | 243 |
244 SCOPED_FILE_TRACE("Unlock"); | 244 SCOPED_FILE_TRACE("Unlock"); |
245 | 245 |
246 BOOL result = UnlockFile(file_.Get(), 0, 0, MAXDWORD, MAXDWORD); | 246 BOOL result = UnlockFile(file_.Get(), 0, 0, MAXDWORD, MAXDWORD); |
247 if (!result) | 247 if (!result) |
248 return OSErrorToFileError(GetLastError()); | 248 return OSErrorToFileError(GetLastError()); |
249 return FILE_OK; | 249 return FILE_OK; |
250 } | 250 } |
251 | 251 |
252 File File::Duplicate() { | 252 File File::Duplicate() const { |
253 if (!IsValid()) | 253 if (!IsValid()) |
254 return File(); | 254 return File(); |
255 | 255 |
256 SCOPED_FILE_TRACE("Duplicate"); | 256 SCOPED_FILE_TRACE("Duplicate"); |
257 | 257 |
258 HANDLE other_handle = nullptr; | 258 HANDLE other_handle = nullptr; |
259 | 259 |
260 if (!::DuplicateHandle(GetCurrentProcess(), // hSourceProcessHandle | 260 if (!::DuplicateHandle(GetCurrentProcess(), // hSourceProcessHandle |
261 GetPlatformFile(), | 261 GetPlatformFile(), |
262 GetCurrentProcess(), // hTargetProcessHandle | 262 GetCurrentProcess(), // hTargetProcessHandle |
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400 ThreadRestrictions::AssertIOAllowed(); | 400 ThreadRestrictions::AssertIOAllowed(); |
401 DCHECK(IsValid()); | 401 DCHECK(IsValid()); |
402 return ::FlushFileBuffers(file_.Get()) != FALSE; | 402 return ::FlushFileBuffers(file_.Get()) != FALSE; |
403 } | 403 } |
404 | 404 |
405 void File::SetPlatformFile(PlatformFile file) { | 405 void File::SetPlatformFile(PlatformFile file) { |
406 file_.Set(file); | 406 file_.Set(file); |
407 } | 407 } |
408 | 408 |
409 } // namespace base | 409 } // namespace base |
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