bits/uio-ext.h

   1 /* Operating system-specific extensions to sys/uio.h - generic version.
   2    Copyright (C) 2017-2021 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    <https://www.gnu.org/licenses/>.  */
  18
  19 #ifndef _BITS_UIO_EXT_H
  20 #define _BITS_UIO_EXT_H 1
  21
  22 #ifndef _SYS_UIO_H
  23 # error "Never include <bits/uio-ext.h> directly; use <sys/uio.h> instead."
  24 #endif
  25
  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.  */
  32
  33 #endif /* sys/uio_ext.h */