Subversion Repositories openrisc_2011-10-31

/* fork.c. Implementation of the _fork syscall for newlib

   Copyright (C) 2004, Jacob Bower

   Copyright (C) 2010, Embecosm Limited <info@embecosm.com>

   Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>

   This file is part of Newlib.

   The original work by Jacob Bower is provided as-is without any kind of

   warranty. Use it at your own risk!

   All subsequent work is bound by version 3 of the GPL as follows.

   This program is free software; you can redistribute it and/or modify it

   under the terms of the GNU General Public License as published by the Free

   Software Foundation; either version 3 of the License, or (at your option)

   any later version.

   This program 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 General Public License for

   more details.

   You should have received a copy of the GNU General Public License along

   with this program.  If not, see <http:#www.gnu.org/licenses/>.             */

/* -------------------------------------------------------------------------- */

/* This program is commented throughout in a fashion suitable for processing

   with Doxygen.                                                              */

/* -------------------------------------------------------------------------- */

#include <errno.h>

#undef errno

extern int  errno;

/* -------------------------------------------------------------------------- */

/*!Create a new process.

   We have no other processes, so this always fails.

   Remember that this function is *not* reentrant, so no static state should

   be held.

   @return  -1 to indicate failure, with an error code in the global variable

            errno.                                                            */

/* -------------------------------------------------------------------------- */

int

_fork ()

{

  errno = EAGAIN;

  return -1;                    /* Always fails */

}       /* _fork () */