1 /*****************************************************************************\
2  *  port_mgr.h - manage the reservation of I/O ports on the nodes.
3  *	Design for use with OpenMPI.
4  *****************************************************************************
5  *  Copyright (C) 2009 Lawrence Livermore National Security.
6  *  Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
7  *  Written by Morris Jette <jette1@llnl.gov>
8  *  CODE-OCEC-09-009. All rights reserved.
9  *
10  *  This file is part of Slurm, a resource management program.
11  *  For details, see <https://slurm.schedmd.com/>.
12  *  Please also read the included file: DISCLAIMER.
13  *
14  *  Slurm is free software; you can redistribute it and/or modify it under
15  *  the terms of the GNU General Public License as published by the Free
16  *  Software Foundation; either version 2 of the License, or (at your option)
17  *  any later version.
18  *
19  *  In addition, as a special exception, the copyright holders give permission
20  *  to link the code of portions of this program with the OpenSSL library under
21  *  certain conditions as described in each individual source file, and
22  *  distribute linked combinations including the two. You must obey the GNU
23  *  General Public License in all respects for all of the code used other than
24  *  OpenSSL. If you modify file(s) with this exception, you may extend this
25  *  exception to your version of the file(s), but you are not obligated to do
26  *  so. If you do not wish to do so, delete this exception statement from your
27  *  version.  If you delete this exception statement from all source files in
28  *  the program, then also delete it here.
29  *
30  *  Slurm is distributed in the hope that it will be useful, but WITHOUT ANY
31  *  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
32  *  FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
33  *  details.
34  *
35  *  You should have received a copy of the GNU General Public License along
36  *  with Slurm; if not, write to the Free Software Foundation, Inc.,
37  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA.
38 \*****************************************************************************/
39 
40 #ifndef _HAVE_PORT_MGR_H
41 #define _HAVE_PORT_MGR_H
42 
43 #include "src/slurmctld/slurmctld.h"
44 
45 /* Configure reserved ports.
46  * Call with mpi_params==NULL to free memory */
47 extern int reserve_port_config(char *mpi_params);
48 
49 /* Reserve ports for a job step
50  * RET SLURM_SUCCESS or an error code */
51 extern int resv_port_alloc(step_record_t *step_ptr);
52 
53 /* Release reserved ports for a job step
54  * RET SLURM_SUCCESS or an error code */
55 extern void resv_port_free(step_record_t *step_ptr);
56 
57 #endif	/* !_HAVE_PORT_MGR_H */
58