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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) 2013-2020 Intel, Inc. All rights reserved.
* Copyright (c) 2015 Mellanox Technologies, Inc. All rights reserved.
* Copyright (c) 2019 IBM Corporation. All rights reserved.
* Copyright (c) 2021-2025 Nanook Consulting All rights reserved.
* Copyright (c) 2022 ParTec AG. 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 "examples.h"
#include <pmix.h>
static pmix_proc_t myproc;
int main(int argc, char **argv)
{
pmix_status_t rc;
pmix_proc_t *procs;
size_t nprocs, n;
pid_t pid;
char *nodelist;
pmix_nspace_t nspace;
EXAMPLES_HIDE_UNUSED_PARAMS(argc, argv);
pid = getpid();
fprintf(stderr, "Client %lu: Running\n", (unsigned long) pid);
/* init us - note that the call to "init" includes the return of
* any job-related info provided by the RM. This includes any
* debugger flag instructing us to stop-in-init. If such a directive
* is included, then the process will be stopped in this call until
* the "debugger release" notification arrives */
if (PMIX_SUCCESS != (rc = PMIx_Init(&myproc, NULL, 0))) {
fprintf(stderr, "Client ns %s rank %d: PMIx_Init failed: %s\n", myproc.nspace, myproc.rank,
PMIx_Error_string(rc));
exit(0);
}
fprintf(stderr, "Client ns %s rank %d pid %lu: Running\n", myproc.nspace, myproc.rank,
(unsigned long) pid);
rc = PMIx_Resolve_peers(NULL, myproc.nspace, &procs, &nprocs);
fprintf(stderr, "ResPeers returned: %s\n", PMIx_Error_string(rc));
if (PMIX_SUCCESS == rc) {
for (n=0; n < nprocs; n++) {
fprintf(stderr, "\t%s:%u\n", procs[n].nspace, procs[n].rank);
}
}
rc = PMIx_Resolve_nodes(myproc.nspace, &nodelist);
fprintf(stderr, "ResNodes returned: %s\n", PMIx_Error_string(rc));
if (PMIX_SUCCESS == rc) {
fprintf(stderr, "\t%s\n", nodelist);
}
// now do global request
PMIX_LOAD_NSPACE(nspace, NULL);
rc = PMIx_Resolve_peers(NULL, nspace, &procs, &nprocs);
fprintf(stderr, "ResPeers global returned: %s\n", PMIx_Error_string(rc));
if (PMIX_SUCCESS == rc) {
for (n=0; n < nprocs; n++) {
fprintf(stderr, "\t%s:%u\n", procs[n].nspace, procs[n].rank);
}
}
rc = PMIx_Resolve_nodes(nspace, &nodelist);
fprintf(stderr, "ResNodes global returned: %s\n", PMIx_Error_string(rc));
if (PMIX_SUCCESS == rc) {
fprintf(stderr, "\t%s\n", nodelist);
}
/* finalize us */
rc = PMIx_Finalize(NULL, 0);
fflush(stderr);
return (rc);
}
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