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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 Triad National Security, LLC. All rights
* reserved.
* Copyright (c) 2019 IBM Corporation. All rights reserved.
* Copyright (c) 2021 Nanook Consulting. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*
*/
#include <pthread.h>
#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;
static void notification_fn(size_t evhdlr_registration_id, pmix_status_t status,
const pmix_proc_t *source, pmix_info_t info[], size_t ninfo,
pmix_info_t results[], size_t nresults,
pmix_event_notification_cbfunc_fn_t cbfunc, void *cbdata)
{
myrel_t *lock;
bool found;
int exit_code = 0;
size_t n;
pmix_proc_t *affected = NULL;
EXAMPLES_HIDE_UNUSED_PARAMS(evhdlr_registration_id, status, source, results, nresults);
/* find our return object */
lock = NULL;
found = false;
for (n = 0; n < ninfo; n++) {
if (0 == strncmp(info[n].key, PMIX_EVENT_RETURN_OBJECT, PMIX_MAX_KEYLEN)) {
lock = (myrel_t *) info[n].value.data.ptr;
/* not every RM will provide an exit code, but check if one was given */
} else if (0 == strncmp(info[n].key, PMIX_EXIT_CODE, PMIX_MAX_KEYLEN)) {
exit_code = info[n].value.data.integer;
found = true;
} else if (0 == strncmp(info[n].key, PMIX_EVENT_AFFECTED_PROC, PMIX_MAX_KEYLEN)) {
affected = info[n].value.data.proc;
}
}
/* if the object wasn't returned, then that is an error */
if (NULL == lock) {
fprintf(stderr, "LOCK WASN'T RETURNED IN RELEASE CALLBACK\n");
/* let the event handler progress */
if (NULL != cbfunc) {
cbfunc(PMIX_SUCCESS, NULL, 0, NULL, NULL, cbdata);
}
return;
}
/* tell the event handler state machine that we are the last step */
if (NULL != cbfunc) {
cbfunc(PMIX_EVENT_ACTION_COMPLETE, NULL, 0, NULL, NULL, cbdata);
}
fprintf(stderr, "DEBUGGER DAEMON NOTIFIED TERMINATED - AFFECTED %s\n",
(NULL == affected) ? "NULL" : affected->nspace);
if (found) {
lock->exit_code = exit_code;
lock->exit_code_given = true;
}
DEBUG_WAKEUP_THREAD(&lock->lock);
}
static void op_callbk(pmix_status_t status, void *cbdata)
{
mylock_t *lock = (mylock_t *) cbdata;
fprintf(stderr, "Client %s:%d OP CALLBACK CALLED WITH STATUS %d\n", myproc.nspace, myproc.rank,
status);
DEBUG_WAKEUP_THREAD(lock);
}
static void evhandler_reg_callbk(pmix_status_t status, size_t errhandler_ref, void *cbdata)
{
mylock_t *lock = (mylock_t *) cbdata;
fprintf(stderr,
"Client %s:%d ERRHANDLER REGISTRATION CALLBACK CALLED WITH STATUS %d, ref=%lu\n",
myproc.nspace, myproc.rank, status, (unsigned long) errhandler_ref);
DEBUG_WAKEUP_THREAD(lock);
}
int main(int argc, char **argv)
{
int rc;
pmix_value_t *val = NULL;
pmix_proc_t proc;
uint32_t nprocs;
pmix_info_t *info;
mylock_t mylock;
myrel_t myrel;
pmix_status_t code[2] = {PMIX_ERR_PROC_ABORTED, PMIX_ERR_JOB_TERMINATED};
EXAMPLES_HIDE_UNUSED_PARAMS(argc, argv);
/* 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(0);
}
fprintf(stderr, "Client ns %s rank %d: Running\n", myproc.nspace, myproc.rank);
PMIX_PROC_CONSTRUCT(&proc);
PMIX_LOAD_PROCID(&proc, myproc.nspace, PMIX_RANK_WILDCARD);
/* get our universe size */
if (PMIX_SUCCESS != (rc = PMIx_Get(&proc, PMIX_UNIV_SIZE, NULL, 0, &val))) {
fprintf(stderr, "Client ns %s rank %d: PMIx_Get universe size failed: %d\n", myproc.nspace,
myproc.rank, rc);
goto done;
}
nprocs = val->data.uint32;
PMIX_VALUE_RELEASE(val);
fprintf(stderr, "Client %s:%d universe size %d\n", myproc.nspace, myproc.rank, nprocs);
/* register another handler specifically for when the target
* job completes */
DEBUG_CONSTRUCT_MYREL(&myrel);
PMIX_INFO_CREATE(info, 2);
PMIX_INFO_LOAD(&info[0], PMIX_EVENT_RETURN_OBJECT, &myrel, PMIX_POINTER);
/* only call me back when one of us terminates */
PMIX_INFO_LOAD(&info[1], PMIX_NSPACE, myproc.nspace, PMIX_STRING);
DEBUG_CONSTRUCT_LOCK(&mylock);
PMIx_Register_event_handler(code, 2, info, 2, notification_fn, evhandler_reg_callbk,
(void *) &mylock);
DEBUG_WAIT_THREAD(&mylock);
if (PMIX_SUCCESS != mylock.status) {
rc = mylock.status;
DEBUG_DESTRUCT_LOCK(&mylock);
PMIX_INFO_FREE(info, 2);
goto done;
}
DEBUG_DESTRUCT_LOCK(&mylock);
PMIX_INFO_FREE(info, 2);
/* call fence to sync */
PMIX_PROC_CONSTRUCT(&proc);
PMIX_LOAD_PROCID(&proc, myproc.nspace, PMIX_RANK_WILDCARD);
if (PMIX_SUCCESS != (rc = PMIx_Fence(&proc, 1, NULL, 0))) {
fprintf(stderr, "Client ns %s rank %d: PMIx_Fence failed: %d\n", myproc.nspace, myproc.rank,
rc);
goto done;
}
/* rank=0 calls abort */
if (0 == myproc.rank) {
sleep(2);
fprintf(stderr, "Client ns %s rank %d: exiting with error\n", myproc.nspace, myproc.rank);
exit(1);
}
/* everyone simply waits */
DEBUG_WAIT_THREAD(&myrel.lock);
DEBUG_DESTRUCT_MYREL(&myrel);
done:
/* finalize us */
fprintf(stderr, "Client ns %s rank %d: Finalizing\n", myproc.nspace, myproc.rank);
DEBUG_CONSTRUCT_LOCK(&mylock);
PMIx_Deregister_event_handler(1, op_callbk, &mylock);
DEBUG_WAIT_THREAD(&mylock);
DEBUG_DESTRUCT_LOCK(&mylock);
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);
} else {
fprintf(stderr, "Client ns %s rank %d:PMIx_Finalize successfully completed\n",
myproc.nspace, myproc.rank);
}
fflush(stderr);
return (0);
}
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