michael@0: // Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: 
michael@0: #ifndef BASE_FILE_DESCRIPTOR_POSIX_H_
michael@0: #define BASE_FILE_DESCRIPTOR_POSIX_H_
michael@0: 
michael@0: namespace base {
michael@0: 
michael@0: // -----------------------------------------------------------------------------
michael@0: // We introduct a special structure for file descriptors in order that we are
michael@0: // able to use template specialisation to special-case their handling.
michael@0: //
michael@0: // WARNING: (Chromium only) There are subtleties to consider if serialising
michael@0: // these objects over IPC. See comments in chrome/common/ipc_message_utils.h
michael@0: // above the template specialisation for this structure.
michael@0: // -----------------------------------------------------------------------------
michael@0: struct FileDescriptor {
michael@0:   FileDescriptor()
michael@0:       : fd(-1),
michael@0:         auto_close(false) { }
michael@0: 
michael@0:   FileDescriptor(int ifd, bool iauto_close)
michael@0:       : fd(ifd),
michael@0:         auto_close(iauto_close) { }
michael@0: 
michael@0:   int fd;
michael@0:   // If true, this file descriptor should be closed after it has been used. For
michael@0:   // example an IPC system might interpret this flag as indicating that the
michael@0:   // file descriptor it has been given should be closed after use.
michael@0:   bool auto_close;
michael@0: };
michael@0: 
michael@0: }  // namespace base
michael@0: 
michael@0: #endif  // BASE_FILE_DESCRIPTOR_POSIX_H_