1*aa772005SRobert Watson /*- 2*aa772005SRobert Watson * Copyright (c) 2012 The FreeBSD Foundation 3*aa772005SRobert Watson * All rights reserved. 4*aa772005SRobert Watson * 5*aa772005SRobert Watson * This software was developed by Pawel Jakub Dawidek under sponsorship from 6*aa772005SRobert Watson * the FreeBSD Foundation. 7*aa772005SRobert Watson * 8*aa772005SRobert Watson * Redistribution and use in source and binary forms, with or without 9*aa772005SRobert Watson * modification, are permitted provided that the following conditions 10*aa772005SRobert Watson * are met: 11*aa772005SRobert Watson * 1. Redistributions of source code must retain the above copyright 12*aa772005SRobert Watson * notice, this list of conditions and the following disclaimer. 13*aa772005SRobert Watson * 2. Redistributions in binary form must reproduce the above copyright 14*aa772005SRobert Watson * notice, this list of conditions and the following disclaimer in the 15*aa772005SRobert Watson * documentation and/or other materials provided with the distribution. 16*aa772005SRobert Watson * 17*aa772005SRobert Watson * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 18*aa772005SRobert Watson * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19*aa772005SRobert Watson * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20*aa772005SRobert Watson * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 21*aa772005SRobert Watson * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22*aa772005SRobert Watson * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23*aa772005SRobert Watson * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24*aa772005SRobert Watson * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25*aa772005SRobert Watson * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26*aa772005SRobert Watson * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27*aa772005SRobert Watson * SUCH DAMAGE. 28*aa772005SRobert Watson * 29*aa772005SRobert Watson * $P4: //depot/projects/trustedbsd/openbsm/compat/closefrom.h#1 $ 30*aa772005SRobert Watson */ 31*aa772005SRobert Watson 32*aa772005SRobert Watson #ifndef _CLOSEFROM_H_ 33*aa772005SRobert Watson #define _CLOSEFROM_H_ 34*aa772005SRobert Watson 35*aa772005SRobert Watson #include <unistd.h> 36*aa772005SRobert Watson 37*aa772005SRobert Watson static void 38*aa772005SRobert Watson closefrom(int lowfd) 39*aa772005SRobert Watson { 40*aa772005SRobert Watson int error, fd, maxfd; 41*aa772005SRobert Watson 42*aa772005SRobert Watson error = errno; 43*aa772005SRobert Watson 44*aa772005SRobert Watson maxfd = sysconf(_SC_OPEN_MAX); 45*aa772005SRobert Watson if (maxfd < 0) 46*aa772005SRobert Watson maxfd = 16384; 47*aa772005SRobert Watson for (fd = lowfd; fd <= maxfd; fd++) 48*aa772005SRobert Watson (void)close(fd); 49*aa772005SRobert Watson 50*aa772005SRobert Watson errno = error; 51*aa772005SRobert Watson } 52*aa772005SRobert Watson 53*aa772005SRobert Watson #endif /* !_CLOSEFROM_H_ */ 54