glibc/termios/tcgetpgrp.c

38 lines
1.1 KiB
C

/* Copyright (C) 1991-2015 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/>. */
#include <errno.h>
#include <unistd.h>
#include <sys/types.h>
/* Return the foreground process group ID of FD. */
pid_t
tcgetpgrp (fd)
int fd;
{
if (fd < 0)
{
__set_errno (EBADF);
return (pid_t) -1;
}
__set_errno (ENOSYS);
return (pid_t) -1;
}
libc_hidden_def (tcgetpgrp)
stub_warning (tcgetpgrp)