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/*
* Copyright (c) 2004-2010 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2011 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2006-2013 Los Alamos National Security, LLC.
* All rights reserved.
* Copyright (c) 2009-2012 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2011 Oak Ridge National Labs. All rights reserved.
* Copyright (c) 2013-2018 Intel, Inc. All rights reserved.
* Copyright (c) 2015 Mellanox Technologies, Inc. All rights reserved.
* Copyright (c) 2021-2022 Nanook Consulting. All rights reserved.
* Copyright (c) 2023 Triad National Security, LLC. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*
*/
#define _GNU_SOURCE
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>
#include <pmix.h>
int main(int argc, char **argv)
{
int rc;
size_t n;
pmix_value_t value;
pmix_value_t *val = &value;
pmix_proc_t proc, *pptr;
pid_t pid;
pmix_proc_t myproc;
pid = getpid();
if (PMIX_SUCCESS != (rc = PMIx_Init(&myproc, NULL, 0))) {
fprintf(stderr, "Client ns %s rank %d: PMIx_Init failed: %d\n", myproc.nspace, myproc.rank,
rc);
exit(0);
}
fprintf(stderr, "Client ns %s rank %d pid %lu: Running\n", myproc.nspace, myproc.rank,
(unsigned long) pid);
/* get our pset name */
PMIX_LOAD_PROCID(&proc, myproc.nspace, PMIX_RANK_WILDCARD);
if (PMIX_SUCCESS != (rc = PMIx_Get(&proc, PMIX_PSET_NAME, NULL, 0, &val))) {
fprintf(stderr, "Client ns %s rank %d: PMIx_Get pset name failed: %s\n",
myproc.nspace, myproc.rank, PMIx_Error_string(rc));
goto done;
}
fprintf(stderr, "Client %s:%d pset name %s\n",
myproc.nspace, myproc.rank, val->data.string);
PMIX_VALUE_FREE(val, 1);
/* since this is our pset, get our membership */
if (PMIX_SUCCESS != (rc = PMIx_Get(&proc, PMIX_PSET_MEMBERS, NULL, 0, &val))) {
fprintf(stderr, "Client ns %s rank %d: PMIx_Get of pset members failed: %s\n",
myproc.nspace, myproc.rank, PMIx_Error_string(rc));
goto done;
}
/* must return a pmix_data_array_t of members */
if (PMIX_DATA_ARRAY != val->type) {
fprintf(stderr, "Client ns %s rank %d: PMIx_Get of pset members returned incorrect data type: %s\n",
myproc.nspace, myproc.rank, PMIx_Data_type_string(val->type));
goto done;
}
fprintf(stderr, "Client %s:%d PMIx_Get returned %zd members\n", myproc.nspace, myproc.rank,
val->data.darray->size);
pptr = (pmix_proc_t*)val->data.darray->array;
for (n=0; n < val->data.darray->size; n++) {
fprintf(stderr, "\t%s:%d\n", pptr[n].nspace, pptr[n].rank);
}
PMIX_VALUE_FREE(val, 1);
done:
return (rc);
}
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