/* Close a range of file descriptors. Linux version. Copyright (C) 2021 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see . */ #include #include #include void __closefrom (int lowfd) { int l = MAX (0, lowfd); int r = __close_range (l, ~0U, 0); if (r == 0) return; if (!__closefrom_fallback (l)) __fortify_fail ("closefrom failed to close a file descriptor"); } weak_alias (__closefrom, closefrom)