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comparison: ipc/chromium/src/base/platform_file.h
ipc/chromium/src/base/platform_file.h
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| 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef BASE_PLATFORM_FILE_H_ | |
| 6 #define BASE_PLATFORM_FILE_H_ | |
| 7 | |
| 8 #include "build/build_config.h" | |
| 9 #if defined(OS_WIN) | |
| 10 #include <windows.h> | |
| 11 #endif | |
| 12 | |
| 13 #include <string> | |
| 14 | |
| 15 namespace base { | |
| 16 | |
| 17 #if defined(OS_WIN) | |
| 18 typedef HANDLE PlatformFile; | |
| 19 const PlatformFile kInvalidPlatformFileValue = INVALID_HANDLE_VALUE; | |
| 20 #elif defined(OS_POSIX) | |
| 21 typedef int PlatformFile; | |
| 22 const PlatformFile kInvalidPlatformFileValue = -1; | |
| 23 #endif | |
| 24 | |
| 25 enum PlatformFileFlags { | |
| 26 PLATFORM_FILE_OPEN = 1, | |
| 27 PLATFORM_FILE_CREATE = 2, | |
| 28 PLATFORM_FILE_OPEN_ALWAYS = 4, // May create a new file. | |
| 29 PLATFORM_FILE_CREATE_ALWAYS = 8, // May overwrite an old file. | |
| 30 PLATFORM_FILE_READ = 16, | |
| 31 PLATFORM_FILE_WRITE = 32, | |
| 32 PLATFORM_FILE_EXCLUSIVE_READ = 64, // EXCLUSIVE is opposite of Windows SHARE | |
| 33 PLATFORM_FILE_EXCLUSIVE_WRITE = 128, | |
| 34 PLATFORM_FILE_ASYNC = 256 | |
| 35 }; | |
| 36 | |
| 37 // Creates or open the given file. If PLATFORM_FILE_OPEN_ALWAYS is used, and | |
| 38 // |created| is provided, |created| will be set to true if the file was created | |
| 39 // or to false in case the file was just opened. | |
| 40 PlatformFile CreatePlatformFile(const std::wstring& name, | |
| 41 int flags, | |
| 42 bool* created); | |
| 43 | |
| 44 } // namespace base | |
| 45 | |
| 46 #endif // BASE_PLATFORM_FILE_H_ |
