155714Skris/*- 255714Skris * Copyright (c) 2012 The FreeBSD Foundation 355714Skris * All rights reserved. 455714Skris * 555714Skris * This software was developed by Pawel Jakub Dawidek under sponsorship from 655714Skris * the FreeBSD Foundation. 755714Skris * 855714Skris * Redistribution and use in source and binary forms, with or without 955714Skris * modification, are permitted provided that the following conditions 1055714Skris * are met: 1155714Skris * 1. Redistributions of source code must retain the above copyright 1255714Skris * notice, this list of conditions and the following disclaimer. 1355714Skris * 2. Redistributions in binary form must reproduce the above copyright 1455714Skris * notice, this list of conditions and the following disclaimer in the 1555714Skris * documentation and/or other materials provided with the distribution. 1655714Skris * 1755714Skris * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 1855714Skris * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1955714Skris * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2055714Skris * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 2155714Skris * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2255714Skris * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2355714Skris * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2455714Skris * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2555714Skris * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2655714Skris * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2755714Skris * SUCH DAMAGE. 2855714Skris * 2955714Skris * $P4: //depot/projects/trustedbsd/openbsm/compat/closefrom.h#1 $ 3055714Skris */ 3155714Skris 3255714Skris#ifndef _CLOSEFROM_H_ 3355714Skris#define _CLOSEFROM_H_ 3455714Skris 3555714Skris#include <unistd.h> 3655714Skris 3755714Skrisstatic void 3855714Skrisclosefrom(int lowfd) 3955714Skris{ 4055714Skris int error, fd, maxfd; 4155714Skris 4255714Skris error = errno; 4355714Skris 4455714Skris maxfd = sysconf(_SC_OPEN_MAX); 4555714Skris if (maxfd < 0) 4655714Skris maxfd = 16384; 4755714Skris for (fd = lowfd; fd <= maxfd; fd++) 4855714Skris (void)close(fd); 4955714Skris 5055714Skris errno = error; 5155714Skris} 5255714Skris 5355714Skris#endif /* !_CLOSEFROM_H_ */ 5455714Skris