src/api/pmi_server.h

/*****************************************************************************\
 *  pmi.h - Global PMI data as maintained within srun
 *****************************************************************************
 *  Copyright (C) 2005 The Regents of the University of California.
 *  Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
 *  Written by Morris Jette <jette1@llnl.gov>
 *  CODE-OCEC-09-009. All rights reserved.
 *
 *  This file is part of Slurm, a resource management program.
 *  For details, see <https://slurm.schedmd.com/>.
 *  Please also read the included file: DISCLAIMER.
 *
 *  Slurm 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.
 *
 *  Slurm 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 Slurm; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA.
\*****************************************************************************/

#ifndef _PMI_SERVER_H
#define _PMI_SERVER_H

#include "src/api/slurm_pmi.h"
#include "src/common/slurm_protocol_defs.h"

/* Put the supplied kvs values into the common store */
extern int pmi_kvs_put(kvs_comm_set_t *kvs_set_ptr);

/* Note that a task has reached a barrier,
 * transmit the kvs values to the task */
extern int pmi_kvs_get(kvs_get_msg_t *kvs_get_ptr);

/*
 * Set the maximum number of threads to be used by the PMI server code.
 * The PMI server code is used internally by the slurm_step_launch() function
 * to support MPI libraries that bootstrap themselves using PMI.
 */
extern void pmi_server_max_threads(int max_threads);

/* free local kvs set */
extern void pmi_kvs_free(void);
#endif