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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) 2021-2024 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)
{
#ifndef PMIX_SPAWN_CHILD_SEP
EXAMPLES_HIDE_UNUSED_PARAMS(argc, argv);
fprintf(stderr, "PMIX_SPAWN_CHILD_SEP is not available - this example is not supported\n");
return -1;
#else
int rc, exitcode;
char nsp2[PMIX_MAX_NSLEN + 1];
pmix_proc_t proc;
pmix_app_t *app;
bool test_dep = true;
pmix_info_t info;
if (1 < argc) {
if (0 == strcmp(argv[1], "dep")) {
test_dep = false;
}
}
/* 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);
}
/* rank=0 calls spawn */
if (0 == myproc.rank) {
PMIX_APP_CREATE(app, 1);
app->cmd = strdup("sleep");
app->maxprocs = 2;
PMIX_ARGV_APPEND(rc, app->argv, app->cmd);
PMIX_ARGV_APPEND(rc, app->argv, "5");
PMIX_INFO_LOAD(&info, PMIX_SPAWN_CHILD_SEP, &test_dep, PMIX_BOOL);
rc = PMIx_Spawn(&info, 1, app, 1, nsp2);
if (PMIX_SUCCESS != rc) {
fprintf(stderr, "Client ns %s rank %d: PMIx_Spawn failed: %s(%d)\n", myproc.nspace,
myproc.rank, PMIx_Error_string(rc), rc);
exitcode = rc;
/* terminate our peers */
PMIX_LOAD_PROCID(&proc, myproc.nspace, PMIX_RANK_WILDCARD);
PMIx_Abort(rc, "FAILED TO START CHILD JOB", &proc, 1);
goto done;
} else {
fprintf(stderr, "Spawn success.\n");
}
PMIX_APP_FREE(app, 1);
// now terminate
}
done:
if (PMIX_SUCCESS != (rc = PMIx_Finalize(NULL, 0))) {
fprintf(stderr, "Client ns %s rank %d:PMIx_Finalize failed: %d\n", myproc.nspace,
myproc.rank, rc);
}
fflush(stderr);
return (0);
#endif
}
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