daemoncsched.h

Path MPICH-V for MPICH the MPI Implementation

/*
  MPICH-V/CL
  Copyright (C) 2002, 2003 Groupe Cluster et Grid, LRI, Universite de Paris Sud


  This file is part of MPICH-V/CL.

  MPICH-V/CL 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.

  MPICH-V/CL 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 MPICH-V/CL; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

  $Id: daemonCsched.h,v 1.9 2004/06/17 17:35:25 bouziane Exp $

*/

#ifndef DAEMONCSCHED_H
#define DAEMONCSCHED_H

#define STATUS_NOT_CONNECTED  0
#define STATUS_CONNECTED      1
#define STATUS_CP_REQUESTED   2
#define STATUS_CP_RUNNING     3
#define STATUS_UCP_REQUESTED  4
#define STATUS_RESTARTING     5


/** return the current status of the checkpoint
 */
int ckpt_status();

/** set the current status of the checkpoint
 * @param statu : new status
 */
void set_ckpt_status(int statu);

/** call when a checkpoint start, just after the CP_START is sent to mpi process
 */
void csched_on_begin_cp ();

/** call just after the acknowledge of the end of the checkpoint
 *  is received from the checkpoint server
 */
void csched_on_end_cp ();

/** return 1 if status ==  STATUS_CP_REQUESTED, 0 else
 */
int csched_can_cp_now ();

/** set the status to  STATUS_CP_REQUESTED
 */
void cp_request();

/** call when a in begin of restart phase 
 */
void  csched_begin_restart();

/** call at the end of the restart to send to csched autorization to launch checkpoint phase
 */
void csched_end_restart();

/** called before the checkpoint order is sent to mpi proces.
    return  CP_START for checkpointing on fork.
*/
int csched_ckpt_type();

#include "FTPI/ftp_csched.h"
#endif