glibc/sysdeps/mach/hurd/kernel-features.h
Thomas Schwinge 5aa3a74a59 Hurd: dup3
2012-05-10 15:57:23 -07:00

26 lines
1.1 KiB
C

/* Set flags signalling availability of certain operating system features.
Copyright (C) 2012 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