glibc/bits/uio-ext.h

34 lines
1.3 KiB
C

/* Operating system-specific extensions to sys/uio.h - generic version.
Copyright (C) 2017-2019 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/>. */
#ifndef _BITS_UIO_EXT_H
#define _BITS_UIO_EXT_H 1
#ifndef _SYS_UIO_H
# error "Never include <bits/uio-ext.h> directly; use <sys/uio.h> instead."
#endif
/* Flags for preadv2/pwritev2. */
#define RWF_HIPRI 0x00000001 /* High priority request. */
#define RWF_DSYNC 0x00000002 /* per-IO O_DSYNC. */
#define RWF_SYNC 0x00000004 /* per-IO O_SYNC. */
#define RWF_NOWAIT 0x00000008 /* per-IO nonblocking mode. */
#define RWF_APPEND 0x00000010 /* per-IO O_APPEND. */
#endif /* sys/uio_ext.h */