| // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef BASE_PLATFORM_FILE_H_ |
| #define BASE_PLATFORM_FILE_H_ |
| |
| #include "build/build_config.h" |
| #if defined(OS_WIN) |
| #include <windows.h> |
| #endif |
| |
| #include <string> |
| |
| class FilePath; |
| |
| namespace base { |
| |
| #if defined(OS_WIN) |
| typedef HANDLE PlatformFile; |
| const PlatformFile kInvalidPlatformFileValue = INVALID_HANDLE_VALUE; |
| #elif defined(OS_POSIX) |
| typedef int PlatformFile; |
| const PlatformFile kInvalidPlatformFileValue = -1; |
| #endif |
| |
| enum PlatformFileFlags { |
| PLATFORM_FILE_OPEN = 1, |
| PLATFORM_FILE_CREATE = 2, |
| PLATFORM_FILE_OPEN_ALWAYS = 4, // May create a new file. |
| PLATFORM_FILE_CREATE_ALWAYS = 8, // May overwrite an old file. |
| PLATFORM_FILE_READ = 16, |
| PLATFORM_FILE_WRITE = 32, |
| PLATFORM_FILE_EXCLUSIVE_READ = 64, // EXCLUSIVE is opposite of Windows SHARE |
| PLATFORM_FILE_EXCLUSIVE_WRITE = 128, |
| PLATFORM_FILE_ASYNC = 256, |
| PLATFORM_FILE_TEMPORARY = 512, // Used on Windows only |
| PLATFORM_FILE_HIDDEN = 1024, // Used on Windows only |
| PLATFORM_FILE_DELETE_ON_CLOSE = 2048 |
| }; |
| |
| // Creates or opens the given file. If PLATFORM_FILE_OPEN_ALWAYS is used, and |
| // |created| is provided, |created| will be set to true if the file was created |
| // or to false in case the file was just opened. |
| PlatformFile CreatePlatformFile(const FilePath& name, |
| int flags, |
| bool* created); |
| // Deprecated. |
| PlatformFile CreatePlatformFile(const std::wstring& name, |
| int flags, |
| bool* created); |
| |
| // Closes a file handle |
| bool ClosePlatformFile(PlatformFile file); |
| |
| } // namespace base |
| |
| #endif // BASE_PLATFORM_FILE_H_ |