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1 // Copyright 2014 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_FILES_SCOPED_FILE_H_ | |
6 #define BASE_FILES_SCOPED_FILE_H_ | |
7 | |
8 #include <stdio.h> | |
9 | |
10 #include "base/base_export.h" | |
11 #include "base/logging.h" | |
12 #include "base/scoped_generic.h" | |
13 #include "build/build_config.h" | |
14 | |
15 namespace base { | |
16 | |
17 namespace internal { | |
18 | |
19 #if defined(OS_POSIX) | |
20 struct BASE_EXPORT ScopedFDCloseTraits { | |
21 static int InvalidValue() { | |
22 return -1; | |
23 } | |
24 static void Free(int fd); | |
25 }; | |
26 #endif | |
27 | |
28 } // namespace internal | |
29 | |
30 #if defined(OS_POSIX) | |
31 // A low-level Posix file descriptor closer class. Use this when writing | |
32 // platform-specific code, especially that does non-file-like things with the | |
33 // FD (like sockets). | |
34 // | |
35 // If you're writing low-level Windows code, see base/win/scoped_handle.h | |
36 // which provides some additional functionality. | |
37 // | |
38 // If you're writing cross-platform code that deals with actual files, you | |
39 // should generally use base::File instead which can be constructed with a | |
40 // handle, and in addition to handling ownership, has convenient cross-platform | |
41 // file manipulation functions on it. | |
42 typedef ScopedGeneric<int, internal::ScopedFDCloseTraits> ScopedFD; | |
43 #endif | |
44 | |
45 } // namespace base | |
46 | |
47 #endif // BASE_FILES_SCOPED_FILE_H_ | |
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