termios/tcgetpgrp.c

   1 /* Copyright (C) 1991, 1995, 1996, 1997, 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 <sys/types.h>
  22
  23 /* Return the foreground process group ID of FD.  */
  24 pid_t
  25 tcgetpgrp (fd)
  26      int fd;
  27 {
  28   if (fd < 0)
  29     {
  30       __set_errno (EBADF);
  31       return (pid_t) -1;
  32     }
  33
  34   __set_errno (ENOSYS);
  35   return (pid_t) -1;
  36 }
  37 libc_hidden_def (tcgetpgrp)
  38 stub_warning (tcgetpgrp)
  39 #include <stub-tag.h>