1 /* Operating system-specific extensions to sys/uio.h - generic version.
2 Copyright (C) 2017-2018 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
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/>. */
19 #ifndef _BITS_UIO_EXT_H
20 #define _BITS_UIO_EXT_H 1
23 # error "Never include <bits/uio-ext.h> directly; use <sys/uio.h> instead."
26 /* Flags for preadv2/pwritev2. */
27 #define RWF_HIPRI 0x00000001 /* High priority request. */
28 #define RWF_DSYNC 0x00000002 /* per-IO O_DSYNC. */
29 #define RWF_SYNC 0x00000004 /* per-IO O_SYNC. */
30 #define RWF_NOWAIT 0x00000008 /* per-IO nonblocking mode. */
31 #define RWF_APPEND 0x00000010 /* per-IO O_APPEND. */
33 #endif /* sys/uio_ext.h */