1 /* Set flags signalling availability of certain operating system features. 2 Copyright (C) 2012-2021 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <https://www.gnu.org/licenses/>. */ 18 19 /* This file can define __ASSUME_* macros checked by certain source files. 20 Almost none of these are used outside of sysdeps/unix/sysv/linux code. 21 But those referring to POSIX-level features like O_* flags can be. */ 22 23 #define __ASSUME_CLOSE_RANGE 1 24