The Tor Browser / file comparison
comparison: security/sandbox/chromium/base/file_descriptor_posix.h
security/sandbox/chromium/base/file_descriptor_posix.h
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- 6474c204b198
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| 1 // Copyright (c) 2006-2009 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_FILE_DESCRIPTOR_POSIX_H_ | |
| 6 #define BASE_FILE_DESCRIPTOR_POSIX_H_ | |
| 7 | |
| 8 namespace base { | |
| 9 | |
| 10 // ----------------------------------------------------------------------------- | |
| 11 // We introduct a special structure for file descriptors in order that we are | |
| 12 // able to use template specialisation to special-case their handling. | |
| 13 // | |
| 14 // WARNING: (Chromium only) There are subtleties to consider if serialising | |
| 15 // these objects over IPC. See comments in ipc/ipc_message_utils.h | |
| 16 // above the template specialisation for this structure. | |
| 17 // ----------------------------------------------------------------------------- | |
| 18 struct FileDescriptor { | |
| 19 FileDescriptor() | |
| 20 : fd(-1), | |
| 21 auto_close(false) { } | |
| 22 | |
| 23 FileDescriptor(int ifd, bool iauto_close) | |
| 24 : fd(ifd), | |
| 25 auto_close(iauto_close) { } | |
| 26 | |
| 27 bool operator==(const FileDescriptor& other) const { | |
| 28 return (fd == other.fd && auto_close == other.auto_close); | |
| 29 } | |
| 30 | |
| 31 // A comparison operator so that we can use these as keys in a std::map. | |
| 32 bool operator<(const FileDescriptor& other) const { | |
| 33 return other.fd < fd; | |
| 34 } | |
| 35 | |
| 36 int fd; | |
| 37 // If true, this file descriptor should be closed after it has been used. For | |
| 38 // example an IPC system might interpret this flag as indicating that the | |
| 39 // file descriptor it has been given should be closed after use. | |
| 40 bool auto_close; | |
| 41 }; | |
| 42 | |
| 43 } // namespace base | |
| 44 | |
| 45 #endif // BASE_FILE_DESCRIPTOR_POSIX_H_ |
