Exemple #1
0
int test_error(char *my_nspace, int my_rank, test_params params)
{
    size_t errhandler_refs[MAX_ERR_HANDLERS];
    struct timespec ts;
    pmix_status_t status;
    pmix_proc_t source;

    TEST_VERBOSE(("test-error: running  error handling test cases"));
    /* register specific client error handlers and test their invocation
     * by  trigerring events  from server side*/
    status = PMIX_ERR_TIMEOUT;
    PMIx_Register_event_handler(&status, 1, NULL, 0,
                                timeout_errhandler, errhandler_reg_callbk1, &errhandler_refs[0]);

    /* reg a handler for comm errors */
    status = PMIX_ERR_LOST_PEER_CONNECTION;
    PMIx_Register_event_handler(&status, 1, NULL, 0,
                                comfail_errhandler, errhandler_reg_callbk1, &errhandler_refs[1]);
    /* inject error from client */
    done = false;
    (void)strncpy(source.nspace, my_nspace, PMIX_MAX_NSLEN);
    source.rank = my_rank;
    /* change error value to test other error notifications */
    PMIx_Notify_event(TEST_NOTIFY,
                      &source, PMIX_RANGE_NAMESPACE,
                      NULL, 0,
                      op1_callbk, NULL);
    while(!done) {
        ts.tv_sec = 0;
        ts.tv_nsec = 100000;
        nanosleep(&ts, NULL);
    }
    done = false;
    /* dereg all handlers*/
    PMIx_Deregister_event_handler( errhandler_refs[0], op1_callbk, NULL);
    /* loop until we get callback */
    while(!done) {
        ts.tv_sec = 0;
        ts.tv_nsec = 100000;
        nanosleep(&ts, NULL);
    }
    done = false;
    PMIx_Deregister_event_handler( errhandler_refs[1], op1_callbk, NULL);
    /* loop until we get callback */
    while(!done) {
        ts.tv_sec = 0;
        ts.tv_nsec = 100000;
        nanosleep(&ts, NULL);
    }
    return PMIX_SUCCESS;
}
Exemple #2
0
int pmixp_lib_init(void)
{
	pmix_info_t *kvp = NULL;
	pmix_status_t rc;

	PMIXP_INFO_ADD(kvp, PMIX_USERID, uint32_t, pmixp_info_jobuid());

#ifdef PMIX_SERVER_TMPDIR
	PMIXP_INFO_ADD(kvp, PMIX_SERVER_TMPDIR, string,
		       pmixp_info_tmpdir_lib());
#endif

	/* setup the server library */
	if (PMIX_SUCCESS != (rc = PMIx_server_init(&slurm_pmix_cb, kvp,
						   PMIXP_INFO_SIZE(kvp)))) {
		PMIXP_ERROR_STD("PMIx_server_init failed with error %d\n", rc);
		return SLURM_ERROR;
	}

	PMIXP_FREE_KEY(kvp);
	/* register the errhandler */
	PMIx_Register_event_handler(NULL, 0, NULL, 0, _errhandler,
				    _errhandler_reg_callbk, NULL);

	return SLURM_SUCCESS;
}
Exemple #3
0
static pmix_status_t spawn_debugger(char *appspace, myrel_t *myrel)
{
    pmix_status_t rc;
    pmix_info_t *dinfo;
    pmix_app_t *debugger;
    size_t dninfo;
    char cwd[1024];
    char dspace[PMIX_MAX_NSLEN+1];
    mylock_t mylock;
    pmix_status_t code = PMIX_ERR_JOB_TERMINATED;

    /* setup the debugger */
    PMIX_APP_CREATE(debugger, 1);
    debugger[0].cmd = strdup("./debuggerd");
    PMIX_ARGV_APPEND(rc, debugger[0].argv, "./debuggerd");
    getcwd(cwd, 1024);  // point us to our current directory
    debugger[0].cwd = strdup(cwd);
    /* provide directives so the daemons go where we want, and
     * let the RM know these are debugger daemons */
    dninfo = 6;
    PMIX_INFO_CREATE(dinfo, dninfo);
    PMIX_INFO_LOAD(&dinfo[0], PMIX_MAPBY, "ppr:1:node", PMIX_STRING);  // instruct the RM to launch one copy of the executable on each node
    PMIX_INFO_LOAD(&dinfo[1], PMIX_DEBUGGER_DAEMONS, NULL, PMIX_BOOL); // these are debugger daemons
    PMIX_INFO_LOAD(&dinfo[1], PMIX_DEBUG_JOB, appspace, PMIX_STRING); // the nspace being debugged
    PMIX_INFO_LOAD(&dinfo[2], PMIX_NOTIFY_COMPLETION, NULL, PMIX_BOOL); // notify us when the debugger job completes
    PMIX_INFO_LOAD(&dinfo[3], PMIX_DEBUG_WAITING_FOR_NOTIFY, NULL, PMIX_BOOL);  // tell the daemon that the proc is waiting to be released
    PMIX_INFO_LOAD(&dinfo[4], PMIX_FWD_STDOUT, NULL, PMIX_BOOL);  // forward stdout to me
    PMIX_INFO_LOAD(&dinfo[5], PMIX_FWD_STDERR, NULL, PMIX_BOOL);  // forward stderr to me
    /* spawn the daemons */
    fprintf(stderr, "Debugger: spawning %s\n", debugger[0].cmd);
    if (PMIX_SUCCESS != (rc = PMIx_Spawn(dinfo, dninfo, debugger, 1, dspace))) {
        fprintf(stderr, "Debugger daemons failed to launch with error: %s\n", PMIx_Error_string(rc));
        PMIX_INFO_FREE(dinfo, dninfo);
        PMIX_APP_FREE(debugger, 1);
        return rc;
    }
    /* cleanup */
    PMIX_INFO_FREE(dinfo, dninfo);
    PMIX_APP_FREE(debugger, 1);

    /* register callback for when this job terminates */
    myrel->nspace = strdup(dspace);
    PMIX_INFO_CREATE(dinfo, 2);
    PMIX_INFO_LOAD(&dinfo[0], PMIX_EVENT_RETURN_OBJECT, myrel, PMIX_POINTER);
    /* only call me back when this specific job terminates */
    PMIX_INFO_LOAD(&dinfo[1], PMIX_NSPACE, dspace, PMIX_STRING);

    DEBUG_CONSTRUCT_LOCK(&mylock);
    PMIx_Register_event_handler(&code, 1, dinfo, 2,
                                release_fn, evhandler_reg_callbk, (void*)&mylock);
    DEBUG_WAIT_THREAD(&mylock);
    rc = mylock.status;
    DEBUG_DESTRUCT_LOCK(&mylock);
    PMIX_INFO_FREE(dinfo, 2);

    return rc;
}
Exemple #4
0
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;
    volatile int active;
    pmix_query_t *query;
    size_t nq, n;
    myquery_data_t myquery_data;

fprintf(stderr, "I AM HERE\n");
fflush(stderr);
    sleep(10);
    exit(0);

    /* 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 ns %s rank %d: PMIx_tool_init failed: %d\n", myproc.nspace, myproc.rank, rc);
        exit(0);
    }
    fprintf(stderr, "Debugger daemon ns %s rank %d: Running\n", myproc.nspace, myproc.rank);


    /* register our default event handler */
    active = -1;
    PMIx_Register_event_handler(NULL, 0, NULL, 0,
                                notification_fn, evhandler_reg_callbk, (void*)&active);
    while (-1 == active) {
        usleep(10);
    }
    if (0 != active) {
        exit(active);
    }

    /* get the nspace of the job we are to debug */
    (void)strncpy(proc.nspace, myproc.nspace, PMIX_MAX_NSLEN);
    proc.rank = PMIX_RANK_WILDCARD;
    if (PMIX_SUCCESS != (rc = PMIx_Get(&proc, PMIX_DEBUG_JOB, NULL, 0, &val))) {
        fprintf(stderr, "[%s:%d] Failed to get job being debugged - error %d\n", myproc.nspace, myproc.rank, rc);
        goto done;
    }
    if (NULL == val) {
        fprintf(stderr, "Got NULL return\n");
        goto done;
    }
    fprintf(stderr, "[%s:%d] Debugging %s\n", myproc.nspace, myproc.rank, val->data.string);

    /* 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, val->data.string, PMIX_STRING);  // the nspace we are enquiring about
    /* setup the caddy to retrieve the data */
    myquery_data.info = NULL;
    myquery_data.ninfo = 0;
    myquery_data.active = true;
    /* 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;
    }
    while (myquery_data.active) {
        usleep(10);
    }
    fprintf(stderr, "[%s:%d] Local proctable received\n", myproc.nspace, myproc.rank);


    /* 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 */
    (void)strncpy(proc.nspace, val->data.string, PMIX_MAX_NSLEN);
    proc.rank = PMIX_RANK_WILDCARD;
    /* we send the notification to just the local procs of the job being debugged */
    ninfo = 1;
    PMIX_INFO_CREATE(info, ninfo);
    PMIX_INFO_LOAD(&info[0], PMIX_EVENT_CUSTOM_RANGE, &proc, PMIX_PROC);  // deliver to the target nspace
    fprintf(stderr, "[%s:%u] Sending release\n", myproc.nspace, myproc.rank);
    PMIx_Notify_event(PMIX_ERR_DEBUGGER_RELEASE,
                      NULL, PMIX_RANGE_LOCAL,
                      info, ninfo, NULL, NULL);

    /* do some debugger magic */
    n = 0;
    fprintf(stderr, "[%s:%u] Hanging around awhile, doing debugger magic\n", myproc.nspace, myproc.rank);
    while (n < 5) {
        usleep(1000);
        ++n;
    }

  done:
    /* finalize us */
    fprintf(stderr, "Debugger daemon ns %s rank %d: Finalizing\n", myproc.nspace, myproc.rank);
    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:PMIx_Finalize successfully completed\n", myproc.nspace, myproc.rank);
    }
    fflush(stderr);
    return(0);
}
Exemple #5
0
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;
    pmix_info_t *info;
    bool flag;
    volatile int active;
    pmix_status_t dbg = PMIX_ERR_DEBUGGER_RELEASE;

    /* 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: %d\n", myproc.nspace, myproc.rank, rc);
        exit(0);
    }
    fprintf(stderr, "Client ns %s rank %d: Running\n", myproc.nspace, myproc.rank);


    /* register our default event handler - again, this isn't strictly
     * required, but is generally good practice */
    active = -1;
    PMIx_Register_event_handler(NULL, 0, NULL, 0,
                                notification_fn, evhandler_reg_callbk, (void*)&active);
    while (-1 == active) {
        sleep(1);
    }
    if (0 != active) {
        fprintf(stderr, "[%s:%d] Default handler registration failed\n", myproc.nspace, myproc.rank);
        exit(active);
    }

    /* job-related info is found in our nspace, assigned to the
     * wildcard rank as it doesn't relate to a specific rank. Setup
     * a name to retrieve such values */
    PMIX_PROC_CONSTRUCT(&proc);
    (void)strncpy(proc.nspace, myproc.nspace, PMIX_MAX_NSLEN);
    proc.rank = PMIX_RANK_WILDCARD;

    /* check to see if we have been instructed to wait for a debugger
     * to attach to us. We won't get both a stop-in-init AND a
     * wait-for-notify directive, so we should never stop twice. This
     * directive is provided so that something like an MPI implementation
     * can do some initial setup in MPI_Init prior to pausing for the
     * debugger */
    if (PMIX_SUCCESS == (rc = PMIx_Get(&proc, PMIX_DEBUG_WAIT_FOR_NOTIFY, NULL, 0, &val))) {
        /* register for debugger release */
        active = -1;
        PMIx_Register_event_handler(&dbg, 1, NULL, 0,
                                    release_fn, evhandler_reg_callbk, (void*)&active);
        /* wait for registration to complete */
        while (-1 == active) {
            sleep(1);
        }
        if (0 != active) {
            fprintf(stderr, "[%s:%d] Debug handler registration failed\n", myproc.nspace, myproc.rank);
            exit(active);
        }
        /* wait for debugger release */
        while (waiting_for_debugger) {
            sleep(1);
        }
    }

    /* 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;
    }
    fprintf(stderr, "Client %s:%d universe size %d\n", myproc.nspace, myproc.rank, val->data.uint32);
    /* get the number of procs in our job - univ size is the total number of allocated
     * slots, not the number of procs in the job */
    if (PMIX_SUCCESS != (rc = PMIx_Get(&proc, PMIX_JOB_SIZE, NULL, 0, &val))) {
        fprintf(stderr, "Client ns %s rank %d: PMIx_Get job size failed: %d\n", myproc.nspace, myproc.rank, rc);
        goto done;
    }
    nprocs = val->data.uint32;
    PMIX_VALUE_RELEASE(val);
    fprintf(stderr, "Client %s:%d num procs %d\n", myproc.nspace, myproc.rank, nprocs);

    /* put a few values */
    if (0 > asprintf(&tmp, "%s-%d-internal", myproc.nspace, myproc.rank)) {
        exit(1);
    }
    value.type = PMIX_UINT32;
    value.data.uint32 = 1234;
    if (PMIX_SUCCESS != (rc = PMIx_Store_internal(&myproc, tmp, &value))) {
        fprintf(stderr, "Client ns %s rank %d: PMIx_Store_internal failed: %d\n", myproc.nspace, myproc.rank, rc);
        goto done;
    }
    free(tmp);

    if (0 > asprintf(&tmp, "%s-%d-local", myproc.nspace, myproc.rank)) {
        exit(1);
    }
    value.type = PMIX_UINT64;
    value.data.uint64 = 1234;
    if (PMIX_SUCCESS != (rc = PMIx_Put(PMIX_LOCAL, tmp, &value))) {
        fprintf(stderr, "Client ns %s rank %d: PMIx_Put internal failed: %d\n", myproc.nspace, myproc.rank, rc);
        goto done;
    }
    free(tmp);

    if (0 > asprintf(&tmp, "%s-%d-remote", myproc.nspace, myproc.rank)) {
        exit(1);
    }
    value.type = PMIX_STRING;
    value.data.string = "1234";
    if (PMIX_SUCCESS != (rc = PMIx_Put(PMIX_REMOTE, tmp, &value))) {
        fprintf(stderr, "Client ns %s rank %d: PMIx_Put internal failed: %d\n", myproc.nspace, myproc.rank, rc);
        goto done;
    }
    free(tmp);

    /* push the data to our PMIx server */
    if (PMIX_SUCCESS != (rc = PMIx_Commit())) {
        fprintf(stderr, "Client ns %s rank %d: PMIx_Commit failed: %d\n", myproc.nspace, myproc.rank, rc);
        goto done;
    }

    /* call fence to synchronize with our peers - instruct
     * the fence operation to collect and return all "put"
     * data from our peers */
    PMIX_INFO_CREATE(info, 1);
    flag = true;
    PMIX_INFO_LOAD(info, PMIX_COLLECT_DATA, &flag, PMIX_BOOL);
    if (PMIX_SUCCESS != (rc = PMIx_Fence(&proc, 1, info, 1))) {
        fprintf(stderr, "Client ns %s rank %d: PMIx_Fence failed: %d\n", myproc.nspace, myproc.rank, rc);
        goto done;
    }
    PMIX_INFO_FREE(info, 1);

    /* check the returned data */
    for (n=0; n < nprocs; n++) {
        if (0 > asprintf(&tmp, "%s-%d-local", myproc.nspace, myproc.rank)) {
            exit(1);
        }
        if (PMIX_SUCCESS != (rc = PMIx_Get(&myproc, tmp, NULL, 0, &val))) {
            fprintf(stderr, "Client ns %s rank %d: PMIx_Get %s failed: %d\n", myproc.nspace, myproc.rank, tmp, rc);
            goto done;
        }
        if (PMIX_UINT64 != val->type) {
            fprintf(stderr, "Client ns %s rank %d: PMIx_Get %s returned wrong type: %d\n", myproc.nspace, myproc.rank, tmp, val->type);
            PMIX_VALUE_RELEASE(val);
            free(tmp);
            goto done;
        }
        if (1234 != val->data.uint64) {
            fprintf(stderr, "Client ns %s rank %d: PMIx_Get %s returned wrong value: %d\n", myproc.nspace, myproc.rank, tmp, (int)val->data.uint64);
            PMIX_VALUE_RELEASE(val);
            free(tmp);
            goto done;
        }
        fprintf(stderr, "Client ns %s rank %d: PMIx_Get %s returned correct\n", myproc.nspace, myproc.rank, tmp);
        PMIX_VALUE_RELEASE(val);
        free(tmp);
        if (0 > asprintf(&tmp, "%s-%d-remote", myproc.nspace, myproc.rank)) {
            exit(1);
        }
        if (PMIX_SUCCESS != (rc = PMIx_Get(&myproc, tmp, NULL, 0, &val))) {
            fprintf(stderr, "Client ns %s rank %d: PMIx_Get %s failed: %d\n", myproc.nspace, myproc.rank, tmp, rc);
            goto done;
        }
        if (PMIX_STRING != val->type) {
            fprintf(stderr, "Client ns %s rank %d: PMIx_Get %s returned wrong type: %d\n", myproc.nspace, myproc.rank, tmp, val->type);
            PMIX_VALUE_RELEASE(val);
            free(tmp);
            goto done;
        }
        if (0 != strcmp(val->data.string, "1234")) {
            fprintf(stderr, "Client ns %s rank %d: PMIx_Get %s returned wrong value: %s\n", myproc.nspace, myproc.rank, tmp, val->data.string);
            PMIX_VALUE_RELEASE(val);
            free(tmp);
            goto done;
        }
        fprintf(stderr, "Client ns %s rank %d: PMIx_Get %s returned correct\n", myproc.nspace, myproc.rank, tmp);
        PMIX_VALUE_RELEASE(val);
        free(tmp);
    }

 done:
    /* finalize us */
    fprintf(stderr, "Client ns %s rank %d: Finalizing\n", myproc.nspace, myproc.rank);
    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);
}
Exemple #6
0
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);
}
Exemple #7
0
int main(int argc, char **argv)
{
    char **client_env=NULL;
    char **client_argv=NULL;
    int rc;
    struct stat stat_buf;
    struct timeval tv;
    double test_start;
    cli_state_t order[CLI_TERM+1];
    test_params params;
    INIT_TEST_PARAMS(params);
    int test_fail = 0;
    char *tmp;
    int ns_nprocs;

    gettimeofday(&tv, NULL);
    test_start = tv.tv_sec + 1E-6*tv.tv_usec;

    /* smoke test */
    if (PMIX_SUCCESS != 0) {
        TEST_ERROR(("ERROR IN COMPUTING CONSTANTS: PMIX_SUCCESS = %d", PMIX_SUCCESS));
        exit(1);
    }

    TEST_VERBOSE(("Testing version %s", PMIx_Get_version()));

    parse_cmd(argc, argv, &params);
    TEST_VERBOSE(("Start PMIx_lite smoke test (timeout is %d)", params.timeout));

    /* verify executable */
    if( 0 > ( rc = stat(params.binary, &stat_buf) ) ){
        TEST_ERROR(("Cannot stat() executable \"%s\": %d: %s", params.binary, errno, strerror(errno)));
        FREE_TEST_PARAMS(params);
        return 0;
    } else if( !S_ISREG(stat_buf.st_mode) ){
        TEST_ERROR(("Client executable \"%s\": is not a regular file", params.binary));
        FREE_TEST_PARAMS(params);
        return 0;
    }else if( !(stat_buf.st_mode & S_IXUSR) ){
        TEST_ERROR(("Client executable \"%s\": has no executable flag", params.binary));
        FREE_TEST_PARAMS(params);
        return 0;
    }

    /* setup the server library */
    pmix_info_t info[1];
    (void)strncpy(info[0].key, PMIX_SOCKET_MODE, PMIX_MAX_KEYLEN);
    info[0].value.type = PMIX_UINT32;
    info[0].value.data.uint32 = 0666;

    if (PMIX_SUCCESS != (rc = PMIx_server_init(&mymodule, info, 1))) {
        TEST_ERROR(("Init failed with error %d", rc));
        FREE_TEST_PARAMS(params);
        return rc;
    }
    /* register the errhandler */
    PMIx_Register_event_handler(NULL, 0, NULL, 0,
                                errhandler, errhandler_reg_callbk, NULL);

    order[CLI_UNINIT] = CLI_FORKED;
    order[CLI_FORKED] = CLI_FIN;
    order[CLI_CONNECTED] = CLI_UNDEF;
    order[CLI_FIN] = CLI_TERM;
    order[CLI_DISCONN] = CLI_UNDEF;
    order[CLI_TERM] = CLI_UNDEF;
    cli_init(params.nprocs, order);

    /* set common argv and env */
    client_env = pmix_argv_copy(environ);
    set_client_argv(&params, &client_argv);

    tmp = pmix_argv_join(client_argv, ' ');
    TEST_VERBOSE(("Executing test: %s", tmp));
    free(tmp);

    int launched = 0;
    /* set namespaces and fork clients */
    if (NULL == params.ns_dist) {
        /* we have a single namespace for all clients */
        ns_nprocs = params.nprocs;
        rc = launch_clients(ns_nprocs, params.binary, &client_env, &client_argv);
        if (PMIX_SUCCESS != rc) {
            FREE_TEST_PARAMS(params);
            return rc;
        }
        launched += ns_nprocs;
    } else {
        char *pch;
        pch = strtok(params.ns_dist, ":");
        while (NULL != pch) {
            ns_nprocs = (int)strtol(pch, NULL, 10);
            if (params.nprocs < (uint32_t)(launched+ns_nprocs)) {
                TEST_ERROR(("Total number of processes doesn't correspond number specified by ns_dist parameter."));
                FREE_TEST_PARAMS(params);
                return PMIX_ERROR;
            }
            if (0 < ns_nprocs) {
                rc = launch_clients(ns_nprocs, params.binary, &client_env, &client_argv);
                if (PMIX_SUCCESS != rc) {
                    FREE_TEST_PARAMS(params);
                    return rc;
                }
            }
            pch = strtok (NULL, ":");
            launched += ns_nprocs;
        }
    }
    if (params.nprocs != (uint32_t)launched) {
        TEST_ERROR(("Total number of processes doesn't correspond number specified by ns_dist parameter."));
        cli_kill_all();
        test_fail = 1;
    }

    /* hang around until the client(s) finalize */
    while (!test_terminated()) {
        // To avoid test hang we want to interrupt the loop each 0.1s
        double test_current;

        // check if we exceed the max time
        gettimeofday(&tv, NULL);
        test_current = tv.tv_sec + 1E-6*tv.tv_usec;
        if( (test_current - test_start) > params.timeout ){
            break;
        }
        cli_wait_all(0);
    }

    if( !test_terminated() ){
        TEST_ERROR(("Test exited by a timeout!"));
        cli_kill_all();
        test_fail = 1;
    }

    if( test_abort ){
        TEST_ERROR(("Test was aborted!"));
        /* do not simply kill the clients as that generates
         * event notifications which these tests then print
         * out, flooding the log */
      //  cli_kill_all();
        test_fail = 1;
    }

    if (0 != params.test_spawn) {
        PMIX_WAIT_FOR_COMPLETION(spawn_wait);
    }

    pmix_argv_free(client_argv);
    pmix_argv_free(client_env);

    /* deregister the errhandler */
    PMIx_Deregister_event_handler(0, op_callbk, NULL);

    cli_wait_all(1.0);

    /* finalize the server library */
    if (PMIX_SUCCESS != (rc = PMIx_server_finalize())) {
        TEST_ERROR(("Finalize failed with error %d", rc));
    }

    FREE_TEST_PARAMS(params);

    if (0 == test_fail) {
        TEST_OUTPUT(("Test finished OK!"));
    }

    return test_fail;
}
Exemple #8
0
int main(int argc, char **argv)
{
    pmix_status_t rc;
    pmix_value_t value;
    pmix_value_t *val = &value;
    pmix_proc_t proc;
    uint32_t nprocs, n;
    pmix_info_t *info, *iptr;
    bool flag;
    mylock_t mylock;
    pmix_data_array_t *dptr;

    /* init us - note that the call to "init" includes the return of
     * any job-related info provided by the RM. */
    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);


    /* register our default event handler - again, this isn't strictly
     * required, but is generally good practice */
    DEBUG_CONSTRUCT_LOCK(&mylock);
    PMIx_Register_event_handler(NULL, 0, NULL, 0,
                                notification_fn, evhandler_reg_callbk, (void*)&mylock);
    /* wait for registration to complete */
    DEBUG_WAIT_THREAD(&mylock);
    rc = mylock.status;
    DEBUG_DESTRUCT_LOCK(&mylock);
    if (PMIX_SUCCESS != rc) {
        fprintf(stderr, "[%s:%d] Default handler registration failed\n", myproc.nspace, myproc.rank);
        goto done;
    }

    /* job-related info is found in our nspace, assigned to the
     * wildcard rank as it doesn't relate to a specific rank. Setup
     * a name to retrieve such values */
    PMIX_PROC_CONSTRUCT(&proc);
    (void)strncpy(proc.nspace, myproc.nspace, PMIX_MAX_NSLEN);
    proc.rank = 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);

    /* inform the RM that we are preemptible, and that our checkpoint methods are
     * "signal" on SIGUSR2 and event on PMIX_JCTRL_CHECKPOINT */
    PMIX_INFO_CREATE(info, 2);
    flag = true;
    PMIX_INFO_LOAD(&info[0], PMIX_JOB_CTRL_PREEMPTIBLE, (void*)&flag, PMIX_BOOL);
    /* can't use "load" to load a pmix_data_array_t */
    (void)strncpy(info[1].key, PMIX_JOB_CTRL_CHECKPOINT_METHOD, PMIX_MAX_KEYLEN);
    PMIX_DATA_ARRAY_CREATE(info[1].value.data.darray, 2, PMIX_INFO);
    dptr = info[1].value.data.darray;
    rc = SIGUSR2;
    iptr = (pmix_info_t*)dptr->array;
    PMIX_INFO_LOAD(&iptr[0], PMIX_JOB_CTRL_CHECKPOINT_SIGNAL, &rc, PMIX_INT);
    rc = PMIX_JCTRL_CHECKPOINT;
    PMIX_INFO_LOAD(&iptr[1], PMIX_JOB_CTRL_CHECKPOINT_EVENT, &rc, PMIX_STATUS);

    /* since this is informational and not a requested operation, the target parameter
     * doesn't mean anything and can be ignored */
    DEBUG_CONSTRUCT_LOCK(&mylock);
    if (PMIX_SUCCESS != (rc = PMIx_Job_control_nb(NULL, 0, info, 2, infocbfunc, (void*)&mylock))) {
        fprintf(stderr, "Client ns %s rank %d: PMIx_Job_control_nb failed: %d\n", myproc.nspace, myproc.rank, rc);
        DEBUG_DESTRUCT_LOCK(&mylock);
        goto done;
    }
    DEBUG_WAIT_THREAD(&mylock);
    PMIX_INFO_FREE(info, 2);
    rc = mylock.status;
    DEBUG_DESTRUCT_LOCK(&mylock);
    if (PMIX_SUCCESS != rc) {
        fprintf(stderr, "Client ns %s rank %d: PMIx_Job_control_nb failed: %d\n", myproc.nspace, myproc.rank, rc);
        goto done;
    }

    /* now request that this process be monitored using heartbeats */
    PMIX_INFO_CREATE(iptr, 1);
    PMIX_INFO_LOAD(&iptr[0], PMIX_MONITOR_HEARTBEAT, NULL, PMIX_POINTER);

    PMIX_INFO_CREATE(info, 3);
    PMIX_INFO_LOAD(&info[0], PMIX_MONITOR_ID, "MONITOR1", PMIX_STRING);
    n = 5;  // require a heartbeat every 5 seconds
    PMIX_INFO_LOAD(&info[1], PMIX_MONITOR_HEARTBEAT_TIME, &n, PMIX_UINT32);
    n = 2;  // two heartbeats can be missed before declaring us "stalled"
    PMIX_INFO_LOAD(&info[2], PMIX_MONITOR_HEARTBEAT_DROPS, &n, PMIX_UINT32);

    /* make the request */
    DEBUG_CONSTRUCT_LOCK(&mylock);
    if (PMIX_SUCCESS != (rc = PMIx_Process_monitor_nb(iptr, PMIX_MONITOR_HEARTBEAT_ALERT,
                                                      info, 3, infocbfunc, (void*)&mylock))) {
        fprintf(stderr, "Client ns %s rank %d: PMIx_Process_monitor_nb failed: %d\n", myproc.nspace, myproc.rank, rc);
        DEBUG_DESTRUCT_LOCK(&mylock);
        goto done;
    }
    DEBUG_WAIT_THREAD(&mylock);
    PMIX_INFO_FREE(iptr, 1);
    PMIX_INFO_FREE(info, 3);
    rc = mylock.status;
    DEBUG_DESTRUCT_LOCK(&mylock);
    if (PMIX_SUCCESS != rc) {
        fprintf(stderr, "Client ns %s rank %d: PMIx_Process_monitor_nb failed: %d\n", myproc.nspace, myproc.rank, rc);
        goto done;
    }

    /* send a heartbeat */
    PMIx_Heartbeat();

    /* call fence to synchronize with our peers - no need to
     * collect any info as we didn't "put" anything */
    PMIX_INFO_CREATE(info, 1);
    flag = false;
    PMIX_INFO_LOAD(info, PMIX_COLLECT_DATA, &flag, PMIX_BOOL);
    if (PMIX_SUCCESS != (rc = PMIx_Fence(&proc, 1, info, 1))) {
        fprintf(stderr, "Client ns %s rank %d: PMIx_Fence failed: %d\n", myproc.nspace, myproc.rank, rc);
        goto done;
    }
    PMIX_INFO_FREE(info, 1);


  done:
    /* finalize us */
    fprintf(stderr, "Client ns %s rank %d: Finalizing\n", myproc.nspace, myproc.rank);
    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);
}
Exemple #9
0
int main(int argc, char **argv)
{
    pmix_status_t rc;
    pmix_info_t *info, *iptr;
    pmix_app_t *app;
    size_t ninfo, napps;
    char *nspace = NULL;
    int i;
    pmix_query_t *query;
    size_t nq, n;
    myquery_data_t myquery_data;
    bool cospawn = false, stop_on_exec = false, cospawn_reqd = false;
    char cwd[1024];
    pmix_status_t code = PMIX_ERR_JOB_TERMINATED;
    mylock_t mylock;
    myrel_t myrel, launcher_ready, dbrel;
    pid_t pid;
    pmix_envar_t envar;
    char *launchers[] = {
        "prun",
        "mpirun",
        "mpiexec",
        "orterun",
        NULL
    };
    pmix_proc_t proc;
    bool found;
    pmix_data_array_t darray;
    char *tmp;
    char clientspace[PMIX_MAX_NSLEN+1];

    pid = getpid();

    /* Process any arguments we were given */
    for (i=1; i < argc; i++) {
        if (0 == strcmp(argv[i], "-h") ||
            0 == strcmp(argv[i], "--help")) {
            /* print the usage message and exit */

        }
        if (0 == strcmp(argv[i], "-a") ||
            0 == strcmp(argv[i], "--attach")) {
            if (NULL != nspace) {
                /* can only support one */
                fprintf(stderr, "Cannot attach to more than one nspace\n");
                exit(1);
            }
            /* the next argument must be the nspace */
            ++i;
            if (argc == i) {
                /* they goofed */
                fprintf(stderr, "The %s option requires an <nspace> argument\n", argv[i]);
                exit(1);
            }
            nspace = strdup(argv[i]);
        } else if (0 == strcmp(argv[i], "-c") ||
                   0 == strcmp(argv[i], "--cospawn")){
            cospawn_reqd = true;
            break;
        }
    }
    info = NULL;
    ninfo = 0;

    /* use the system connection first, if available */
    PMIX_INFO_CREATE(info, 1);
    PMIX_INFO_LOAD(&info[0], PMIX_CONNECT_SYSTEM_FIRST, NULL, PMIX_BOOL);
    /* init as a tool */
    if (PMIX_SUCCESS != (rc = PMIx_tool_init(&myproc, info, ninfo))) {
        fprintf(stderr, "PMIx_tool_init failed: %s(%d)\n", PMIx_Error_string(rc), rc);
        exit(rc);
    }
    PMIX_INFO_FREE(info, ninfo);

    fprintf(stderr, "Debugger ns %s rank %d pid %lu: Running\n", myproc.nspace, myproc.rank, (unsigned long)pid);

    /* construct the debugger termination release */
    DEBUG_CONSTRUCT_LOCK(&dbrel.lock);

    /* register a 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);
    DEBUG_DESTRUCT_LOCK(&mylock);

    /* if we are attaching to a running job, then attach to it */
    if (NULL != nspace) {
        if (PMIX_SUCCESS != (rc = attach_to_running_job(nspace))) {
            fprintf(stderr, "Failed to attach to nspace %s: error code %d\n",
                    nspace, rc);
            goto done;
        }
    }


  done:
    DEBUG_DESTRUCT_LOCK(&myrel.lock);
    DEBUG_DESTRUCT_LOCK(&dbrel.lock);
    PMIx_tool_finalize();

    return(rc);
}
Exemple #10
0
int main(int argc, char **argv, const char **environ)
{

        pmix_status_t rc;

        pmix_info_t *info = NULL;

        bool flag;

        pmix_status_t retval;
        pmix_app_t *spawned_app = NULL;

        pmix_info_t *job_info = NULL;
        pmix_info_t *proc_info = NULL;
        int job_info_count = 0;
        int job_info_index = 0;
        int proc_info_count = 0;
        int proc_info_index = 0;

        char spawned_nsp[PMIX_MAX_NSLEN+1];
        char *path_to_app = NULL;
        char *host_to_use = NULL;
        int number_of_clients = 0;
        int temp_counter = 0;
        done_flag = false;
        gethostname(hostn, 500);
        int spawned_app_argc = 0;

        char **scr_environ = NULL;

        int proc_count = 1;
        int node_count = 0;
        bool blocking_mode = true;
        char *node_list = NULL;
        bool forward_all_scr_envs = false;
        bool pmix_mode = false;


        const char *optstring = "+n:N:L:x:bB:pPvhe";
        int temp_slen=0;
        /* todo: add arg parsing with ompi schizo */
        verbose_print = false;

        int sleep_max = 30;
        const int fixed_sleep = 5;
        int c;
        while((c = getopt(argc, argv, optstring)) != -1){
                switch(c){
                case 'h':
                        print_usage(argv[0]);
                        exit(0);
                        break;
                case 'n':
                        proc_count = atoi(optarg);
                        if(proc_count <= 0 || proc_count > 100){
                                printf("outside the range of allowable instances to spawn [1-100]\n");
                                exit(1);
                        }
                        if(verbose_print) {
                                printf("proc_count = %d\n", proc_count);
                        }
                        break;
                case 'N':
                        /* node_count = atoi(optarg); */
                        node_count = 1;
                        if(verbose_print) {
                                printf("node_count = %d\n", node_count);
                        }
                        break;
                case 'B':
                        blocking_mode = true;
                        sleep_max = atoi(optarg);
                        if(sleep_max < 0){
                                printf("can't sleep for less than 0 seconds\n");
                                exit(1);
                        }
                        if(verbose_print){
                                printf("blocking mode = %x\n", blocking_mode);
                        }
                        break;
                case 'b':
                        blocking_mode = false;
                        if(verbose_print){
                                printf("blocking mode = %x\n", blocking_mode);
                        }
                        break;
                case 'L':
                        node_list = optarg;
                        host_to_use = node_list;
                        if(verbose_print){
                                printf("node_list = '%s'\n", node_list);
                        }
                        break;
                case 'x':
                        temp_slen = strlen(optarg);
                        /*  check if the string is the same length as 'SCR', if so compare them */
                        if(temp_slen == strlen(SCR_STRING)){
                                if(strncmp(optarg, SCR_STRING, strlen(SCR_STRING)) == 0){
                                        /* if the string is SCR, then forward all SCR related env vars */
                                        if(verbose_print) printf("all scr envs will be forwarded\n");
                                        forward_all_scr_envs = true;
                                }
                                else{
                                        /* handled like a normal env var */
                                        handle_standard_env_var(optarg, &scr_environ);
                                }
                        }
                        else{
                                /*handled like a normal env var */
                                handle_standard_env_var(optarg, &scr_environ);
                        }
                        break;
                case 'v':
                        verbose_print = true;
                        break;
                case 'p':
                        pmix_mode = true;
                        if(verbose_print){
                                printf("pmix_mode = %x\n", pmix_mode);
                        }
                        break;
                case 'P':
                        pmix_mode = false;
                        if(verbose_print){
                                printf("pmix_mode = %x\n", pmix_mode);
                        }
                        break;
                case 'e':
                        experimental = true;
                        break;
                case '?':
                        printf("missing a required argument or invalid option: %x\n", optopt);
                        print_usage(argv[0]);
                        exit(1);
                        break;
                default:
                        printf("Unrecognized argument: %c\n", c);
                        print_usage(argv[0]);
                        exit(1);
                        break;
                }
        }

        /* number of instances to spawn */
        number_of_clients = proc_count;


        /* check to make sure an application was specified to launch */
        if( optind < argc ){
                /* if optind is < argc, it means there is at least one more arg
                 * beyond the args for this program */
                path_to_app = argv[optind];
                spawned_app_argc = argc - optind;
                if(verbose_print) {
                        printf("app to launch: %s @ %s:%d\n",
                               path_to_app, __FILE__, __LINE__);
                }
        }
        else{
                printf("program_to_spawn option was not provded\n");
                print_usage(argv[0]);
                exit(1);
        }

        if(verbose_print){
                printf("master process will spawn %d instances; app to run: %s\n\n",
                       number_of_clients, path_to_app);
                printf("pmix version: %s (host: %s)\n", PMIx_Get_version(), hostn);
        }
        /* init pmix */
        retval = PMIx_Init(&main_proc, NULL, 0);
        if(retval != PMIX_SUCCESS){
                error_helper(retval, hostn, "error initializing pmix");
                exit(0);
        }

        if(verbose_print){
                printf("rank %d, host '%s', nspace: '%s' init'd pmix succesfully\n\n",
                       main_proc.rank, hostn, main_proc.nspace);
        }



        /* we need to attach to a "system" PMIx server so we
         * can ask it to spawn applications for us. There can
         * only be one such connection on a node, so we will
         * instruct the tool library to only look for it */
        int ninfo = 1;
        PMIX_INFO_CREATE(info, ninfo);
        flag = true;
        PMIX_INFO_LOAD(&info[0], PMIX_CONNECT_TO_SYSTEM, &flag, PMIX_BOOL);

        /* initialize the library and make the connection */
        if (PMIX_SUCCESS != (rc = PMIx_tool_init(&tool_proc, NULL, 0 ))) {
                fprintf(stderr, "PMIx_tool_init failed: %d\n", rc );
                exit(rc);
        }
        if (0 < ninfo) {
                PMIX_INFO_FREE(info, ninfo);
        }




        /* first call fence to sync all processes */
        retval = fence_helper();
        if(retval != PMIX_SUCCESS)
        {
                error_helper(retval, hostn, "error fencing");
                exit(retval);
        }

        /* Process SCR env vars if needed */

        if(forward_all_scr_envs){
                parse_all_scr_envs(&scr_environ, environ);
        }

        /* finalize the env array so a NULL is in place */
        finalize_array(scr_environ);

        /* Setup info structs to pass to this: */
        /* pmix_info_t *error_info = NULL; */
        /*  PMIX_INFO_CREATE(error_info, 1); */
        /*
          strncpy(error_info[0].key, PMIX_ERROR_GROUP_ABORT, PMIX_MAX_KEYLEN);
          error_info[0].value.type = PMIX_BOOL;
          error_info[0].value.data.flag = true;
        */

        /*  strncpy(error_info[0].key, PMIX_ERROR_GROUP_SPAWN, PMIX_MAX_KEYLEN);
            int t_val = 1;
            pmix_value_load(&error_info[1].value, &t_val, PMIX_BOOL);
        */

        /*error_info[1].value.type = PMIX_BOOL;
        error_info[1].value.data.flag = true; */

        /*  strncpy(error_info[2].key, PMIX_ERROR_GROUP_GENERAL, PMIX_MAX_KEYLEN);
            error_info[2].value.type = PMIX_BOOL;
            error_info[2].value.data.flag = true;
        */


        /* TODO: setup error handling when implemented in pmix with the
         * following error codes: */
        /*
        pmix_status_t registered_codes[5];
        registered_codes[0] = PMIX_ERR_JOB_TERMINATED;
        registered_codes[1] = PMIX_ERR_PROC_ABORTED;
        registered_codes[2] = PMIX_ERR_PROC_ABORTING;
        */
        PMIx_Register_event_handler(NULL, 0,
                                    NULL, 0,
                                    errhandler_cb,
                                    errhandler_reg_callbk,
                                    (void *) NULL);

        /*  PMIX_INFO_DESTRUCT(error_info); */

        /* allocate memory to hold the spawend app struct */
        PMIX_APP_CREATE(spawned_app, 1);

        /* maxprocs isn't documented very well, but it appears to control
         * how many instances of the spanwed app are created */
        spawned_app->maxprocs = number_of_clients;

        /* set the app to run */
        (void)asprintf(&spawned_app->cmd, "%s", path_to_app);

        /* set argv for spawned app starting with remaining argv  */
        spawned_app->argv = &argv[optind];

        /* set the environment pointer */
        spawned_app->env = scr_environ;

        /*--START: add all proc level infos */

        /* add things to the proc level info */
        if(!pmix_mode){
                job_info_count++;
        }

        if(host_to_use != NULL){
                proc_info_count++;
        }

        if(verbose_print){
                printf("enabling debug feature for forwarding stdout/stderr\n");
                proc_info_count+=2;
                /* add PMIX_FWD_STDOUT and PMIX_FWD_STDERR later*/

        }

        if(experimental){
                job_info_count++;
        }
        if(node_count == 1){
                job_info_count++;
        }
        /*--END: add all proc level infos */


        /*--START: append actual proc level info */
        PMIX_INFO_CREATE(job_info, job_info_count);
        PMIX_INFO_CREATE(proc_info, proc_info_count);
        /* PMIX_VAL_set_assign(_v, _field, _val )  */
        /* PMIX_VAL_set_strdup(_v, _field, _val )  */

        if(host_to_use != NULL){
                /* add info struct to the spawned app itself for the host */

                /* old way */
                strncpy(proc_info[proc_info_index].key, PMIX_HOST, PMIX_MAX_KEYLEN);
                //proc_info[proc_info_index].value.type = PMIX_STRING;
                /* set the data for host list to use */
                //proc_info[proc_info_index].value.data.string = host_to_use;
                /* end old way */
                if(verbose_print) printf("about to set host val\n");
                PMIX_VAL_SET(&(proc_info[proc_info_index].value), string,
                                    host_to_use );
                proc_info_index++;
        }

        if(!pmix_mode){
                strncpy(job_info[job_info_index].key, PMIX_NON_PMI,
                        PMIX_MAX_KEYLEN);
                if(verbose_print) printf("about to set non pmix flag\n");
                PMIX_VAL_SET(&(job_info[job_info_index].value), flag, true);
                job_info_index++;
        }
        if(verbose_print){
                strncpy(proc_info[proc_info_index].key, PMIX_FWD_STDOUT,
                        PMIX_MAX_KEYLEN);
                if(verbose_print) printf("about to set stdout flag\n");
                PMIX_VAL_SET(&(proc_info[proc_info_index].value), flag, true );
                proc_info_index++;

                strncpy(proc_info[proc_info_index].key, PMIX_FWD_STDERR,
                        PMIX_MAX_KEYLEN);
                if(verbose_print) printf("about to set stderr flag\n");
                PMIX_VAL_SET(&(proc_info[proc_info_index].value), flag, true );
                proc_info_index++;
        }
        if(experimental){
                printf("attempting to perform experiment\n");
                bool local_flag = true;
                PMIX_INFO_LOAD(&job_info[job_info_index], PMIX_NOTIFY_COMPLETION, &local_flag, PMIX_BOOL);
                job_info_index++;
        }
        if(node_count == 1){
                strncpy(job_info[job_info_index].key, PMIX_PPR,
                        PMIX_MAX_KEYLEN);
                PMIX_VAL_SET(&(job_info[job_info_index].value), string,
                             "1:n");
                job_info_index++;
        }
        /*--END: append actual proc level info */

        /* sanity check to make sure we covered all the info structs */
        if(proc_info_index != proc_info_count ){
                printf("bug: mismatch with appending proc info\n");
                exit(1);
        }
        if(job_info_index != job_info_count){
                printf("bug: mismatch with appending job info\n");
                exit(1);
        }

        /* TODO: TEST PMIX_NOTIFY_COMPLETION WHEN IT'S IMPLEMENTED IN PMIX */

        /* fill in job_info */
        /*
        strncpy(job_info[0].key, PMIX_TIMEOUT, PMIX_MAX_KEYLEN);
        job_info[0].value.type = PMIX_INT;
        job_info[0].value.data.integer = 10; */

        /* strncpy(job_info[0].key, PMIX_NOTIFY_COMPLETION, PMIX_MAX_KEYLEN);
           job_info[0].value.type = PMIX_BOOL;
           job_info[0].value.data.flag = true; */

        /*strncpy(spawned_app->info[0].key, PMIX_DISPLAY_MAP, PMIX_MAX_KEYLEN);
          job_info[0].value.type = PMIX_BOOL;
          job_info[0].value.data.flag = true;*/


        /* TODO: TEST PMIX_NOTIFY_COMPLETION WHEN IT'S IMPLEMENTED IN PMIX */
        spawned_app->info = proc_info;
        spawned_app->ninfo = proc_info_count;

        if(verbose_print){
                printf("proc level info count: %d\n", proc_info_count);
        }
        /* call spawn */
        retval = PMIx_Spawn(job_info, job_info_count,
                            spawned_app, 1, spawned_nsp);

        if(verbose_print) {
                printf("rank %d (host %s) just called spawn; spawned nspace: %s, retval:%d\n",
                       main_proc.rank,
                       hostn,
                       spawned_nsp,
                       retval);
        }
        if(retval != PMIX_SUCCESS){
                error_helper(retval,  hostn, "error with spawn");
                goto done;
        }

        /* TODO: TEMPORARY WORKAROUND TO WAIT FOR A SPAWNED PROCESS */
        if(blocking_mode){

                sleep(fixed_sleep);

                /* wait until app completes: */
                while(!done_flag){
                        sleep(fixed_sleep);
                        temp_counter++;
                        if(temp_counter*fixed_sleep >= sleep_max) {
                                if(verbose_print) printf("broke out early\n");
                                break;
                        }
                }
                if(verbose_print){
                        if(done_flag == true) {
                                printf("done_flag was set to true!\n");
                        }
                }

        }

done:
        /* fence first */
        retval = fence_helper();
        if(retval != PMIX_SUCCESS){
                if(verbose_print) printf("error fencing, finalize may fail ! \n");
        }
        /* finalize */

        PMIx_Deregister_event_handler(_g_errhandler_ref, NULL, NULL);

        if(verbose_print){
                fprintf(stdout,
                        "spawn master process (rank %d) (host %s) finalizing\n",
                        main_proc.rank,
                        hostn);
        }

        /* clean up pmix */

        retval = PMIx_tool_finalize();

        if(retval == PMIX_SUCCESS)
        {
                if(verbose_print){
                        printf("spawn master process %d finalize success\n\n",
                               main_proc.rank);
                }
        }
        else
        {
                printf("spawn master process %d pmix_finalize FAILURE: %d\n\n",
                       main_proc.rank,
                       retval);
        }

        retval = PMIx_Finalize(NULL, 0);
        fflush(stdout);

        /*  cleanup before returning */
        PMIX_INFO_FREE(job_info, job_info_count);
        spawned_app->argv = NULL;
        PMIX_APP_FREE(spawned_app, 1);
        if(verbose_print) printf("%s exiting cleanly :)\n", argv[0]);
        return 0;

}
Exemple #11
0
int main(int argc, char **argv)
{
    int rc;
    pmix_value_t value;
    pmix_value_t *val = &value;
    pmix_proc_t proc;
    uint32_t nprocs;

    /* 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);

    /* get our universe size */
    if (PMIX_SUCCESS != (rc = PMIx_Get(&myproc, 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);
    completed = false;

    /* register our errhandler */
    PMIx_Register_event_handler(NULL, 0, NULL, 0,
                                notification_fn, errhandler_reg_callbk, NULL);

    /* call fence to sync */
    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))) {
        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) {
        PMIx_Abort(PMIX_ERR_OUT_OF_RESOURCE, "Eat rocks",
                   &proc, 1);
        fprintf(stderr, "Client ns %s rank %d: Abort called\n", myproc.nspace, myproc.rank);
    }
    /* everyone simply waits */
    while (!completed) {
        struct timespec ts;
        ts.tv_sec = 0;
        ts.tv_nsec = 100000;
        nanosleep(&ts, NULL);
    }

 done:
    /* finalize us */
    fprintf(stderr, "Client ns %s rank %d: Finalizing\n", myproc.nspace, myproc.rank);
    PMIx_Deregister_event_handler(1, op_callbk, NULL);

    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);
}
Exemple #12
0
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);
}