rt/aio_suspend.c

   1 /* Suspend until termination of a requests.  Stub version.
   2    Copyright (C) 2001-2018 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    <http://www.gnu.org/licenses/>.  */
  18
  19
  20 /* We use an UGLY hack to prevent gcc from finding us cheating.  The
  21    implementations of aio_suspend and aio_suspend64 are identical and so
  22    we want to avoid code duplication by using aliases.  But gcc sees
  23    the different parameter lists and prints a warning.  We define here
  24    a function so that aio_suspend64 has no prototype.  */
  25 #define aio_suspend64 XXX
  26 #include <aio.h>
  27 /* And undo the hack.  */
  28 #undef aio_suspend64
  29
  30 #include <errno.h>
  31 #include <sys/time.h>
  32
  33
  34 int
  35 aio_suspend (const struct aiocb *const list[], int nent,
  36              const struct timespec *timeout)
  37 {
  38   __set_errno (ENOSYS);
  39   return -1;
  40 }
  41 weak_alias (aio_suspend, aio_suspend64)
  42
  43 stub_warning (aio_suspend)
  44 stub_warning (aio_suspend64)