1243730Srwatson/*- 2243730Srwatson * Copyright (c) 2012 The FreeBSD Foundation 3243730Srwatson * All rights reserved. 4243730Srwatson * 5243730Srwatson * This software was developed by Pawel Jakub Dawidek under sponsorship from 6243730Srwatson * the FreeBSD Foundation. 7243730Srwatson * 8243730Srwatson * Redistribution and use in source and binary forms, with or without 9243730Srwatson * modification, are permitted provided that the following conditions 10243730Srwatson * are met: 11243730Srwatson * 1. Redistributions of source code must retain the above copyright 12243730Srwatson * notice, this list of conditions and the following disclaimer. 13243730Srwatson * 2. Redistributions in binary form must reproduce the above copyright 14243730Srwatson * notice, this list of conditions and the following disclaimer in the 15243730Srwatson * documentation and/or other materials provided with the distribution. 16243730Srwatson * 17243730Srwatson * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 18243730Srwatson * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19243730Srwatson * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20243730Srwatson * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 21243730Srwatson * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22243730Srwatson * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23243730Srwatson * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24243730Srwatson * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25243730Srwatson * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26243730Srwatson * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27243730Srwatson * SUCH DAMAGE. 28243730Srwatson */ 29243730Srwatson 30243730Srwatson#ifndef _CLOSEFROM_H_ 31243730Srwatson#define _CLOSEFROM_H_ 32243730Srwatson 33243730Srwatson#include <unistd.h> 34243730Srwatson 35243730Srwatsonstatic void 36243730Srwatsonclosefrom(int lowfd) 37243730Srwatson{ 38243730Srwatson int error, fd, maxfd; 39243730Srwatson 40243730Srwatson error = errno; 41243730Srwatson 42243730Srwatson maxfd = sysconf(_SC_OPEN_MAX); 43243730Srwatson if (maxfd < 0) 44243730Srwatson maxfd = 16384; 45243730Srwatson for (fd = lowfd; fd <= maxfd; fd++) 46243730Srwatson (void)close(fd); 47243730Srwatson 48243730Srwatson errno = error; 49243730Srwatson} 50243730Srwatson 51243730Srwatson#endif /* !_CLOSEFROM_H_ */ 52