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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) 2013-2019 Intel, Inc. All rights reserved.
* Copyright (c) 2015 Mellanox Technologies, Inc. All rights reserved.
* Copyright (c) 2016 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* Copyright (c) 2021-2025 Nanook Consulting All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*
*/
#include <stdbool.h>
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <sys/param.h>
#include <time.h>
#include <unistd.h>
#include "examples.h"
#include <pmix.h>
static pmix_proc_t myproc;
int main(int argc, char **argv)
{
int rc, exitcode;
pmix_value_t value;
pmix_value_t *val = &value;
char nsp2[PMIX_MAX_NSLEN + 1];
pmix_app_t *app;
char hostname[1024], dir[1024];
if (0 > gethostname(hostname, sizeof(hostname))) {
exit(1);
}
if (NULL == getcwd(dir, 1024)) {
exit(1);
}
/* init us */
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(rc);
}
fprintf(stderr, "Client ns %s rank %d: Running\n", myproc.nspace, myproc.rank);
rc = PMIx_Get(&myproc, PMIX_PARENT_ID, NULL, 0, &val);
if (PMIX_SUCCESS != rc || NULL == val) {
// we are the parent
PMIX_APP_CREATE(app, 1);
if (0 > asprintf(&app->cmd, "%s/%s", dir, argv[0])) {
exitcode = 1;
goto done;
}
app->maxprocs = 1;
PMIX_ARGV_APPEND(rc, app->argv, app->cmd);
fprintf(stderr, "Client ns %s rank %d: calling PMIx_Spawn\n", myproc.nspace, myproc.rank);
if (PMIX_SUCCESS != (rc = PMIx_Spawn(NULL, 0, app, 1, nsp2))) {
fprintf(stderr, "Client ns %s rank %d: PMIx_Spawn failed: %s(%d)\n", myproc.nspace,
myproc.rank, PMIx_Error_string(rc), rc);
exitcode = rc;
goto done;
} else {
fprintf(stderr, "Spawn success.\n");
}
PMIX_APP_FREE(app, 1);
}
sleep(15);
done:
rc = PMIx_Finalize(NULL, 0);
if (PMIX_SUCCESS != rc) {
fprintf(stderr, "Client ns %s rank %d:PMIx_Finalize failed: %d\n", myproc.nspace,
myproc.rank, rc);
}
fflush(stderr);
printf("exit\n");
return (exitcode);
}
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