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.
5 #ifndef BASE_FILE_DESCRIPTOR_POSIX_H_
6 #define BASE_FILE_DESCRIPTOR_POSIX_H_
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.
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 {
23 FileDescriptor(int ifd, bool iauto_close)
25 auto_close(iauto_close) { }
27 bool operator==(const FileDescriptor& other) const {
28 return (fd == other.fd && auto_close == other.auto_close);
31 // A comparison operator so that we can use these as keys in a std::map.
32 bool operator<(const FileDescriptor& other) const {
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.
45 #endif // BASE_FILE_DESCRIPTOR_POSIX_H_