/* Copyright (C) 2005 David Decotigny
 
    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 2
    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, write to the Free Software
    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
    USA. 
 */
 #ifndef _SOS_DEV_ZERO_H_
 #define _SOS_DEV_ZERO_H_
 
 /**
  * "Driver" to map /dev/zero in user space
  */
 
 
 #include <sos/umem_vmm.h>
 
 
 /**
  * Register the /dev/zero and /dev/null devices
  */
 sos_ret_t sos_dev_zero_subsystem_setup();
 
 
 /**
  * Map /dev/zero into user space
  * @note usage RESTRICTED to the kernel for start_init and the exec
  * syscall
  */
 sos_ret_t sos_dev_zero_map(struct sos_umem_vmm_as * dest_as,
                            sos_uaddr_t *uaddr,
                            sos_size_t size,
                            sos_ui32_t access_rights,
                            sos_ui32_t flags);
 
 #endif /* _SOS_EXEC_ELF32_H_ */