1258065Spjd/*- 2258065Spjd * Copyright (c) 2013 The FreeBSD Foundation 3258065Spjd * All rights reserved. 4258065Spjd * 5258065Spjd * This software was developed by Pawel Jakub Dawidek under sponsorship from 6258065Spjd * the FreeBSD Foundation. 7258065Spjd * 8258065Spjd * Redistribution and use in source and binary forms, with or without 9258065Spjd * modification, are permitted provided that the following conditions 10258065Spjd * are met: 11258065Spjd * 1. Redistributions of source code must retain the above copyright 12258065Spjd * notice, this list of conditions and the following disclaimer. 13258065Spjd * 2. Redistributions in binary form must reproduce the above copyright 14258065Spjd * notice, this list of conditions and the following disclaimer in the 15258065Spjd * documentation and/or other materials provided with the distribution. 16258065Spjd * 17258065Spjd * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 18258065Spjd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19258065Spjd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20258065Spjd * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 21258065Spjd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22258065Spjd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23258065Spjd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24258065Spjd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25258065Spjd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26258065Spjd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27258065Spjd * SUCH DAMAGE. 28258065Spjd * 29258065Spjd * $FreeBSD$ 30258065Spjd */ 31258065Spjd 32258065Spjd#ifndef _COMMON_IMPL_H_ 33258065Spjd#define _COMMON_IMPL_H_ 34258065Spjd 35258065Spjd#define fd_is_valid(fd) (fcntl((fd), F_GETFL) != -1 || errno != EBADF) 36258065Spjd 37258065Spjd#endif /* !_COMMON_IMPL_H_ */ 38