sysdeps/mach/hurd/kernel-features.h


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/* Set flags signalling availability of certain operating system features.
   Copyright (C) 2012-2015 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
   <http://www.gnu.org/licenses/>.  */

/* This file can define __ASSUME_* macros checked by certain source files.
   Almost none of these are used outside of sysdeps/unix/sysv/linux code.
   But those referring to POSIX-level features like O_* flags can be.  */

#define __ASSUME_O_CLOEXEC	1
#define __ASSUME_DUP3		1
#define __ASSUME_ACCEPT4	1