file_descriptor_posix.h revision c7f5f8508d98d5952d42ed7648c2a8f30a4da156
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 8namespace 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// ----------------------------------------------------------------------------- 18struct 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 int fd; 28 // If true, this file descriptor should be closed after it has been used. For 29 // example an IPC system might interpret this flag as indicating that the 30 // file descriptor it has been given should be closed after use. 31 bool auto_close; 32}; 33 34} // namespace base 35 36#endif // BASE_FILE_DESCRIPTOR_POSIX_H_ 37