io/pipe.c

   1 /* Copyright (C) 1991, 1995, 1996, 2002 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #include <errno.h>
  20 #include <unistd.h>
  21 #include <stddef.h>
  22
  23 /* Create a one-way communication channel (__pipe).
  24    If successful, two file descriptors are stored in PIPEDES;
  25    bytes written on PIPEDES[1] can be read from PIPEDES[0].
  26    Returns 0 if successful, -1 if not.  */
  27 int
  28 __pipe (__pipedes)
  29      int __pipedes[2];
  30 {
  31   if (__pipedes == NULL)
  32     {
  33       __set_errno (EINVAL);
  34       return -1;
  35     }
  36
  37   __set_errno (ENOSYS);
  38   return -1;
  39 }
  40 libc_hidden_def (__pipe)
  41 stub_warning (pipe)
  42
  43 weak_alias (__pipe, pipe)
  44 #include <stub-tag.h>