コード例 #1
0
ファイル: attach.c プロジェクト: pmix/pmix-reference-server
/* this is a callback function for the PMIx_Query
 * API. The query will callback with a status indicating
 * if the request could be fully satisfied, partially
 * satisfied, or completely failed. The info parameter
 * contains an array of the returned data, with the
 * info->key field being the key that was provided in
 * the query call. Thus, you can correlate the returned
 * data in the info->value field to the requested key.
 *
 * Once we have dealt with the returned data, we must
 * call the release_fn so that the PMIx library can
 * cleanup */
static void cbfunc(pmix_status_t status,
                   pmix_info_t *info, size_t ninfo,
                   void *cbdata,
                   pmix_release_cbfunc_t release_fn,
                   void *release_cbdata)
{
    myquery_data_t *mq = (myquery_data_t*)cbdata;
    size_t n;

    mq->status = status;
    /* save the returned info - the PMIx library "owns" it
     * and will release it and perform other cleanup actions
     * when release_fn is called */
    if (0 < ninfo) {
        PMIX_INFO_CREATE(mq->info, ninfo);
        mq->ninfo = ninfo;
        for (n=0; n < ninfo; n++) {
            fprintf(stderr, "Key %s Type %s(%d)\n", info[n].key, PMIx_Data_type_string(info[n].value.type), info[n].value.type);
            PMIX_INFO_XFER(&mq->info[n], &info[n]);
        }
    }

    /* let the library release the data and cleanup from
     * the operation */
    if (NULL != release_fn) {
        release_fn(release_cbdata);
    }

    /* release the block */
    DEBUG_WAKEUP_THREAD(&mq->lock);
}
コード例 #2
0
ファイル: simpclient.c プロジェクト: ggouaillardet/ompi
int main(int argc, char **argv)
{
    int rc;
    pmix_value_t value;
    pmix_value_t *val = &value;
    char *tmp;
    pmix_proc_t proc;
    uint32_t nprocs, n;
    int cnt, j;
    bool doabort = false;
    volatile bool active;
    pmix_info_t info, *iptr;
    size_t ninfo;
    pmix_status_t code;

    if (1 < argc) {
        if (0 == strcmp("-abort", argv[1])) {
            doabort = true;
        }
    }

    /* init us and declare we are a test programming model */
    PMIX_INFO_CREATE(iptr, 2);
    PMIX_INFO_LOAD(&iptr[0], PMIX_PROGRAMMING_MODEL, "TEST", PMIX_STRING);
    PMIX_INFO_LOAD(&iptr[1], PMIX_MODEL_LIBRARY_NAME, "PMIX", PMIX_STRING);
    if (PMIX_SUCCESS != (rc = PMIx_Init(&myproc, iptr, 2))) {
        pmix_output(0, "Client ns %s rank %d: PMIx_Init failed: %s",
                    myproc.nspace, myproc.rank, PMIx_Error_string(rc));
        exit(rc);
    }
    PMIX_INFO_FREE(iptr, 2);
    pmix_output(0, "Client ns %s rank %d: Running", myproc.nspace, myproc.rank);

    /* test something */
    (void)strncpy(proc.nspace, myproc.nspace, PMIX_MAX_NSLEN);
    proc.rank = PMIX_RANK_WILDCARD;
    if (PMIX_SUCCESS != (rc = PMIx_Get(&proc, PMIX_JOB_SIZE, NULL, 0, &val))) {
        pmix_output(0, "Client ns %s rank %d: PMIx_Get failed: %s",
                    myproc.nspace, myproc.rank, PMIx_Error_string(rc));
        exit(rc);
    }
    PMIX_VALUE_RELEASE(val);

    /* test something */
    if (PMIX_SUCCESS != (rc = PMIx_Get(&myproc, PMIX_SERVER_URI, NULL, 0, &val))) {
        pmix_output(0, "Client ns %s rank %d: PMIx_Get failed: %s",
                    myproc.nspace, myproc.rank, PMIx_Error_string(rc));
        exit(rc);
    }
    pmix_output(0, "CLIENT SERVER URI: %s", val->data.string);
    PMIX_VALUE_RELEASE(val);

    /* register a handler specifically for when models declare */
    active = true;
    ninfo = 1;
    PMIX_INFO_CREATE(iptr, ninfo);
    PMIX_INFO_LOAD(&iptr[0], PMIX_EVENT_HDLR_NAME, "SIMPCLIENT-MODEL", PMIX_STRING);
    code = PMIX_MODEL_DECLARED;
    PMIx_Register_event_handler(&code, 1, iptr, ninfo,
                                model_callback, model_registration_callback, (void*)&active);
    while (active) {
        usleep(10);
    }
    PMIX_INFO_FREE(iptr, ninfo);

    /* register our errhandler */
    active = true;
    PMIx_Register_event_handler(NULL, 0, NULL, 0,
                                notification_fn, errhandler_reg_callbk, (void*)&active);
    while (active) {
        usleep(10);
    }


    /* get our universe size */
    (void)strncpy(proc.nspace, myproc.nspace, PMIX_MAX_NSLEN);
    proc.rank = PMIX_RANK_WILDCARD;
    if (PMIX_SUCCESS != (rc = PMIx_Get(&proc, PMIX_UNIV_SIZE, NULL, 0, &val))) {
        pmix_output(0, "Client ns %s rank %d: PMIx_Get universe size failed: %s",
                    myproc.nspace, myproc.rank, PMIx_Error_string(rc));
        goto done;
    }
    nprocs = val->data.uint32;
    PMIX_VALUE_RELEASE(val);
    pmix_output(0, "Client %s:%d universe size %d", myproc.nspace, myproc.rank, nprocs);

    /* put a few values */
    (void)asprintf(&tmp, "%s-%d-internal", myproc.nspace, myproc.rank);
    value.type = PMIX_UINT32;
    value.data.uint32 = 1234;
    if (PMIX_SUCCESS != (rc = PMIx_Store_internal(&myproc, tmp, &value))) {
        pmix_output(0, "Client ns %s rank %d: PMIx_Store_internal failed: %s",
                    myproc.nspace, myproc.rank, PMIx_Error_string(rc));
        goto done;
    }

    for (cnt=0; cnt < MAXCNT; cnt++) {
        (void)asprintf(&tmp, "%s-%d-local-%d", myproc.nspace, myproc.rank, cnt);
        value.type = PMIX_UINT64;
        value.data.uint64 = 1234;
        if (PMIX_SUCCESS != (rc = PMIx_Put(PMIX_LOCAL, tmp, &value))) {
            pmix_output(0, "Client ns %s rank %d: PMIx_Put internal failed: %s",
                        myproc.nspace, myproc.rank, PMIx_Error_string(rc));
            goto done;
        }

        (void)asprintf(&tmp, "%s-%d-remote-%d", myproc.nspace, myproc.rank, cnt);
        value.type = PMIX_STRING;
        value.data.string = "1234";
        if (PMIX_SUCCESS != (rc = PMIx_Put(PMIX_REMOTE, tmp, &value))) {
            pmix_output(0, "Client ns %s rank %d: PMIx_Put internal failed: %s",
                        myproc.nspace, myproc.rank, PMIx_Error_string(rc));
            goto done;
        }

        if (PMIX_SUCCESS != (rc = PMIx_Commit())) {
            pmix_output(0, "Client ns %s rank %d cnt %d: PMIx_Commit failed: %s",
                        myproc.nspace, myproc.rank, cnt, PMIx_Error_string(rc));
            goto done;
        }

        /* call fence to ensure the data is received */
        PMIX_PROC_CONSTRUCT(&proc);
        (void)strncpy(proc.nspace, myproc.nspace, PMIX_MAX_NSLEN);
        proc.rank = PMIX_RANK_WILDCARD;
        if (PMIX_SUCCESS != (rc = PMIx_Fence(&proc, 1, NULL, 0))) {
            pmix_output(0, "Client ns %s rank %d cnt %d: PMIx_Fence failed: %s",
                        myproc.nspace, myproc.rank, cnt, PMIx_Error_string(rc));
            goto done;
        }

        /* check the returned data */
        (void)strncpy(proc.nspace, myproc.nspace, PMIX_MAX_NSLEN);
        for (j=0; j <= cnt; j++) {
            for (n=0; n < nprocs; n++) {
                proc.rank = n;
                (void)asprintf(&tmp, "%s-%d-local-%d", myproc.nspace, n, j);
                if (PMIX_SUCCESS != (rc = PMIx_Get(&proc, tmp, NULL, 0, &val))) {
                    pmix_output(0, "Client ns %s rank %d cnt %d: PMIx_Get %s failed: %s",
                                myproc.nspace, myproc.rank, j, tmp, PMIx_Error_string(rc));
                    continue;
                }
                if (NULL == val) {
                    pmix_output(0, "Client ns %s rank %d: NULL value returned",
                                myproc.nspace, myproc.rank);
                    break;
                }
                if (PMIX_UINT64 != val->type) {
                    pmix_output(0, "Client ns %s rank %d cnt %d: PMIx_Get %s returned wrong type: %d", myproc.nspace, myproc.rank, j, tmp, val->type);
                    PMIX_VALUE_RELEASE(val);
                    free(tmp);
                    continue;
                }
                if (1234 != val->data.uint64) {
                    pmix_output(0, "Client ns %s rank %d cnt %d: PMIx_Get %s returned wrong value: %d", myproc.nspace, myproc.rank, j, tmp, (int)val->data.uint64);
                    PMIX_VALUE_RELEASE(val);
                    free(tmp);
                    continue;
                }
                pmix_output(0, "Client ns %s rank %d cnt %d: PMIx_Get %s returned correct", myproc.nspace, myproc.rank, j, tmp);
                PMIX_VALUE_RELEASE(val);
                free(tmp);

                if (n != myproc.rank) {
                    (void)asprintf(&tmp, "%s-%d-remote-%d", proc.nspace, n, j);
                    if (PMIX_SUCCESS != (rc = PMIx_Get(&proc, tmp, NULL, 0, &val))) {
                        /* this data should _not_ be found as we are on the same node
                         * and the data was "put" with a PMIX_REMOTE scope */
                        pmix_output(0, "Client ns %s rank %d cnt %d: PMIx_Get %s returned correct", myproc.nspace, myproc.rank, j, tmp);
                        continue;
                    }
                    pmix_output(0, "Client ns %s rank %d cnt %d: PMIx_Get %s returned remote data for a local proc",
                                myproc.nspace, myproc.rank, j, tmp);
                    PMIX_VALUE_RELEASE(val);
                    free(tmp);
                }
            }
        }
    }

    /* now get the data blob for myself */
    pmix_output(0, "Client ns %s rank %d testing internal modex blob",
                myproc.nspace, myproc.rank);
    if (PMIX_SUCCESS == (rc = PMIx_Get(&myproc, NULL, NULL, 0, &val))) {
        if (PMIX_DATA_ARRAY != val->type) {
            pmix_output(0, "Client ns %s rank %d did not return an array for its internal modex blob",
                        myproc.nspace, myproc.rank);
            PMIX_VALUE_RELEASE(val);
        } else if (PMIX_INFO != val->data.darray->type) {
            pmix_output(0, "Client ns %s rank %d returned an internal modex array of type %s instead of PMIX_INFO",
                        myproc.nspace, myproc.rank, PMIx_Data_type_string(val->data.darray->type));
            PMIX_VALUE_RELEASE(val);
        } else if (0 == val->data.darray->size) {
            pmix_output(0, "Client ns %s rank %d returned an internal modex array of zero length",
                        myproc.nspace, myproc.rank);
            PMIX_VALUE_RELEASE(val);
        } else {
            pmix_info_t *iptr = (pmix_info_t*)val->data.darray->array;
            for (n=0; n < val->data.darray->size; n++) {
                pmix_output(0, "\tKey: %s", iptr[n].key);
            }
            PMIX_VALUE_RELEASE(val);
        }
    } else {
        pmix_output(0, "Client ns %s rank %d internal modex blob FAILED with error %s(%d)",
                    myproc.nspace, myproc.rank, PMIx_Error_string(rc), rc);
    }

    /* log something */
    PMIX_INFO_CONSTRUCT(&info);
    PMIX_INFO_LOAD(&info, PMIX_LOG_STDERR, "test log msg", PMIX_STRING);
    active = true;
    rc = PMIx_Log_nb(&info, 1, NULL, 0, opcbfunc, (void*)&active);
    if (PMIX_SUCCESS != rc) {
        pmix_output(0, "Client ns %s rank %d - log_nb returned %s",
                    myproc.nspace, myproc.rank, PMIx_Error_string(rc));
    } else {
        while (active) {
            usleep(10);
        }
    }
    PMIX_INFO_DESTRUCT(&info);

    /* if requested and our rank is 0, call abort */
    if (doabort) {
        if (0 == myproc.rank) {
            PMIx_Abort(PMIX_ERR_PROC_REQUESTED_ABORT, "CALLING ABORT", NULL, 0);
        } else {
            while(!completed) {
                usleep(10);
            }
        }
    }

 done:
    /* finalize us */
    pmix_output(0, "Client ns %s rank %d: Finalizing", myproc.nspace, myproc.rank);
    if (PMIX_SUCCESS != (rc = PMIx_Finalize(NULL, 0))) {
        fprintf(stderr, "Client ns %s rank %d:PMIx_Finalize failed: %s\n",
                myproc.nspace, myproc.rank, PMIx_Error_string(rc));
    } else {
        fprintf(stderr, "Client ns %s rank %d:PMIx_Finalize successfully completed\n", myproc.nspace, myproc.rank);
    }
    fflush(stderr);
    return(rc);
}
コード例 #3
0
ファイル: daemon.c プロジェクト: pmix/pmix-reference-server
int main(int argc, char **argv)
{
    pmix_status_t rc;
    pmix_value_t *val;
    pmix_proc_t proc;
    pmix_info_t *info;
    size_t ninfo;
    pmix_query_t *query;
    size_t nq, n;
    myquery_data_t myquery_data;
    pid_t pid;
    pmix_status_t code = PMIX_ERR_JOB_TERMINATED;
    mylock_t mylock;
    myrel_t myrel;
    uint16_t localrank;
    char *target = NULL;

    pid = getpid();

    /* init us - since we were launched by the RM, our connection info
     * will have been provided at startup. */
    if (PMIX_SUCCESS != (rc = PMIx_tool_init(&myproc, NULL, 0))) {
        fprintf(stderr, "Debugger daemon: PMIx_tool_init failed: %d\n", rc);
        exit(0);
    }
    fprintf(stderr, "Debugger daemon ns %s rank %d pid %lu: Running\n", myproc.nspace, myproc.rank, (unsigned long)pid);


    /* register our default event handler */
    DEBUG_CONSTRUCT_LOCK(&mylock);
    PMIx_Register_event_handler(NULL, 0, NULL, 0,
                                notification_fn, evhandler_reg_callbk, (void*)&mylock);
    DEBUG_WAIT_THREAD(&mylock);
    if (PMIX_SUCCESS != mylock.status) {
        rc = mylock.status;
        DEBUG_DESTRUCT_LOCK(&mylock);
        goto done;
    }
    DEBUG_DESTRUCT_LOCK(&mylock);

    /* get the nspace of the job we are to debug - it will be in our JOB info */
#ifdef PMIX_LOAD_PROCID
    PMIX_LOAD_PROCID(&proc, myproc.nspace, PMIX_RANK_WILDCARD);
#else
    PMIX_PROC_CONSTRUCT(&proc);
    (void)strncpy(proc.nspace, myproc.nspace, PMIX_MAX_KEYLEN);
    proc.rank = PMIX_RANK_WILDCARD;
#endif
    if (PMIX_SUCCESS != (rc = PMIx_Get(&proc, PMIX_DEBUG_JOB, NULL, 0, &val))) {
        fprintf(stderr, "[%s:%d:%lu] Failed to get job being debugged - error %s\n",
                myproc.nspace, myproc.rank,
                (unsigned long)pid, PMIx_Error_string(rc));
        goto done;
    }
    if (NULL == val || PMIX_STRING != val->type || NULL == val->data.string) {
        fprintf(stderr, "[%s:%d:%lu] Failed to get job being debugged - NULL data returned\n",
                myproc.nspace, myproc.rank, (unsigned long)pid);
        goto done;
    }
    /* save it for later */
    target = strdup(val->data.string);
    PMIX_VALUE_RELEASE(val);

    fprintf(stderr, "[%s:%d:%lu] Debugging %s\n", myproc.nspace, myproc.rank,
            (unsigned long)pid, target);

    /* get my local rank so I can determine which local proc is "mine"
     * to debug */
    val = NULL;
    if (PMIX_SUCCESS != (rc = PMIx_Get(&myproc, PMIX_LOCAL_RANK, NULL, 0, &val))) {
        fprintf(stderr, "[%s:%d:%lu] Failed to get my local rank - error %s\n",
                myproc.nspace, myproc.rank,
                (unsigned long)pid, PMIx_Error_string(rc));
        goto done;
    }
    if (NULL == val) {
        fprintf(stderr, "[%s:%d:%lu] Failed to get my local rank - NULL data returned\n",
                myproc.nspace, myproc.rank, (unsigned long)pid);
        goto done;
    }
    if (PMIX_UINT16 != val->type) {
        fprintf(stderr, "[%s:%d:%lu] Failed to get my local rank - returned wrong type %s\n",
                myproc.nspace, myproc.rank, (unsigned long)pid, PMIx_Data_type_string(val->type));
        goto done;
    }
    /* save the data */
    localrank = val->data.uint16;
    PMIX_VALUE_RELEASE(val);
    fprintf(stderr, "[%s:%d:%lu] my local rank %d\n", myproc.nspace, myproc.rank,
            (unsigned long)pid, (int)localrank);

    /* register another handler specifically for when the target
     * job completes */
    DEBUG_CONSTRUCT_LOCK(&myrel.lock);
    myrel.nspace = strdup(proc.nspace);
    PMIX_INFO_CREATE(info, 2);
    PMIX_INFO_LOAD(&info[0], PMIX_EVENT_RETURN_OBJECT, &myrel, PMIX_POINTER);
    /* only call me back when this specific job terminates */
    PMIX_LOAD_PROCID(&proc, target, PMIX_RANK_WILDCARD);
    PMIX_INFO_LOAD(&info[1], PMIX_EVENT_AFFECTED_PROC, &proc, PMIX_PROC);

    fprintf(stderr, "[%s:%d:%lu] registering for termination of %s\n", myproc.nspace, myproc.rank,
            (unsigned long)pid, proc.nspace);


    DEBUG_CONSTRUCT_LOCK(&mylock);
    PMIx_Register_event_handler(&code, 1, info, 2,
                                release_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);

    /* get our local proctable - for scalability reasons, we don't want to
     * have our "root" debugger process get the proctable for everybody and
     * send it out to us. So ask the local PMIx server for the pid's of
     * our local target processes */
    nq = 1;
    PMIX_QUERY_CREATE(query, nq);
    PMIX_ARGV_APPEND(rc, query[0].keys, PMIX_QUERY_LOCAL_PROC_TABLE);
    query[0].nqual = 1;
    PMIX_INFO_CREATE(query[0].qualifiers, 1);
    PMIX_INFO_LOAD(&query[0].qualifiers[0], PMIX_NSPACE, target, PMIX_STRING);  // the nspace we are enquiring about
    /* setup the caddy to retrieve the data */
    DEBUG_CONSTRUCT_LOCK(&myquery_data.lock);
    myquery_data.info = NULL;
    myquery_data.ninfo = 0;
    /* execute the query */
    if (PMIX_SUCCESS != (rc = PMIx_Query_info_nb(query, nq, cbfunc, (void*)&myquery_data))) {
        fprintf(stderr, "PMIx_Query_info failed: %d\n", rc);
        goto done;
    }
    DEBUG_WAIT_THREAD(&myquery_data.lock);
    DEBUG_DESTRUCT_LOCK(&myquery_data.lock);
    PMIX_QUERY_FREE(query, nq);
    if (PMIX_SUCCESS != myquery_data.status) {
        rc = myquery_data.status;
        goto done;
    }

    fprintf(stderr, "[%s:%d:%lu] Local proctable received\n", myproc.nspace, myproc.rank, (unsigned long)pid);


    /* now that we have the proctable for our local processes, we can do our
     * magic debugger stuff and attach to them. We then send a "release" event
     * to them - i.e., it's the equivalent to setting the MPIR breakpoint. We
     * do this with the event notification system. For this example, we just
     * send it to all local procs of the job being debugged */
    (void)strncpy(proc.nspace, target, PMIX_MAX_NSLEN);
    proc.rank = PMIX_RANK_WILDCARD;
    ninfo = 2;
    PMIX_INFO_CREATE(info, ninfo);
    PMIX_INFO_LOAD(&info[0], PMIX_EVENT_CUSTOM_RANGE, &proc, PMIX_PROC);  // deliver to the target nspace
    PMIX_INFO_LOAD(&info[1], PMIX_EVENT_NON_DEFAULT, NULL, PMIX_BOOL);  // deliver to the target nspace
    fprintf(stderr, "[%s:%u:%lu] Sending release\n", myproc.nspace, myproc.rank, (unsigned long)pid);
    rc = PMIx_Notify_event(PMIX_ERR_DEBUGGER_RELEASE,
                           NULL, PMIX_RANGE_CUSTOM,
                           info, ninfo, NULL, NULL);
    if (PMIX_SUCCESS != rc) {
        fprintf(stderr, "%s[%s:%u:%lu] Sending release failed with error %s(%d)\n",
                myproc.nspace, myproc.rank, (unsigned long)pid, PMIx_Error_string(rc), rc);
        goto done;
    }

    /* do some debugger magic while waiting for the job to terminate */
    DEBUG_WAIT_THREAD(&myrel.lock);

  done:
    if (NULL != target) {
        free(target);
    }
    /* finalize us */
    fprintf(stderr, "Debugger daemon ns %s rank %d pid %lu: Finalizing\n", myproc.nspace, myproc.rank, (unsigned long)pid);
    if (PMIX_SUCCESS != (rc = PMIx_Finalize(NULL, 0))) {
        fprintf(stderr, "Debugger daemon ns %s rank %d:PMIx_Finalize failed: %d\n", myproc.nspace, myproc.rank, rc);
    } else {
        fprintf(stderr, "Debugger daemon ns %s rank %d pid %lu:PMIx_Finalize successfully completed\n", myproc.nspace, myproc.rank, (unsigned long)pid);
    }
    fflush(stderr);
    return(0);
}
コード例 #4
0
ファイル: pmix_test_putget.c プロジェクト: ParaStation/psmgmt
int main(int argc, char **argv) {

	pmix_status_t status;
	pmix_proc_t proc;

	sleep(30);

	status = PMIx_Init(&proc, NULL, 0);
	CHECK_ERROR(status, "PMIx_Init()");
	printf("PMIx_Init() succeeded: nspace '%s' rank %d\n", proc.nspace,
		proc.rank);

	if (!PMIx_Initialized()) {
	    printf("PMIx_Initialized() returned false.\n");
	    return -1;
	}
	printf("PMIx_Initialized() returned true.\n");

	sleep(2);

	pmix_value_t val;
	PMIX_VAL_ASSIGN(&val, string, "My test value");
	//PMIX_VAL_SET(&val, string, "My test value");
	status = PMIx_Put(PMIX_GLOBAL, "MyStringKey", &val);
	CHECK_ERROR(status, "PMIx_Put(MyStringKey)");

	sleep(2);

	PMIX_VAL_SET(&val, int, 42);
	status = PMIx_Put(PMIX_GLOBAL, "MyIntKey", &val);
	CHECK_ERROR(status, "PMIx_Put(MyIntKey)");

	sleep(2);

	status = PMIx_Commit();
	CHECK_ERROR(status, "PMIx_Commit()");

	sleep(2);

	pmix_value_t *retval;
	status = PMIx_Get(&proc, "MyStringKey", NULL, 0, &retval);
	CHECK_ERROR(status, "PMIx_Get(MyStringKey)");
	if (retval == NULL) {
	    printf("PMIx_Get(MyStringKey) failed: retval == NULL\n");
	    return -1;
	}
	if (retval->type != PMIX_VAL_TYPE_string) {
	    printf("PMIx_Get(MyStringKey) failed: type == %s\n",
		    PMIx_Data_type_string(retval->type));
	    return -1;
	}
	printf("PMIx_Get(MyStringKey) succeeded: value '%s'\n",
		PMIX_VAL_FIELD_string(retval));

	sleep(2);

	status = PMIx_Get(&proc, "MyIntKey", NULL, 0, &retval);
	CHECK_ERROR(status, "PMIx_Get(MyIntKey)");
	if (retval == NULL) {
	    printf("PMIx_Get(MyIntKey) failed: retval == NULL\n");
	    return -1;
	}
	if (retval->type != PMIX_VAL_TYPE_int) {
	    printf("PMIx_Get(MyIntKey) failed: type == %s\n",
		    PMIx_Data_type_string(retval->type));
	    return -1;
	}
	printf("PMIx_Get(MyIntKey) succeeded: value %d\n",
		PMIX_VAL_FIELD_int(retval));


	sleep(2);

	status = PMIx_Finalize(NULL, 0);
	CHECK_ERROR(status, "PMIx_Finalize()");

    return 0;
}