sysdeps/mach/hurd/kernel-features.h

   1 /* Set flags signalling availability of certain operating system features.
   2    Copyright (C) 2012-2015 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    <http://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_O_CLOEXEC      1
  24 #define __ASSUME_DUP3           1
  25 #define __ASSUME_ACCEPT4        1