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    ...
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    drmaa2_jtemplate        jt = drmaa2_jtemplate_create(); /* job template object */
    drmaa2_rtemplate        rt = drmaa2_rtemplate_create(); /* reservation template object */
    drmaa2_string_list      cl = drmaa2_list_create(DRMAA2_STRINGLIST, NULL); / *create list of strings */
    drmaa2_dict            env = drmaa2_dict_create(NULL); /* create a dictionary */

    drmaa2_jsession js = drmaa2_create_jsession("myjsession", NULL); /* open sessions to DRM system */
    if (js == NULL) {
        ...
        ...
        return;
    }
    drmaa2_rsession rs = drmaa2_create_rsession("myrsession", NULL); /* create a reservation session */
    if (rs == NULL)
    {
        ...
        ...
        return;
    }
    drmaa2_msession ms = drmaa2_open_msession(NULL); 					 /*create and open monitoring session */

    ml = drmaa2_msession_get_all_machines(ms, DRMAA2_UNSET_LIST);        /* determine name of first machine */
    if (drmaa2_list_size(ml) < 1) {
    	...
        return;
    }
    m = (drmaa2_machineinfo)drmaa2_list_get(ml, 0);
    drmaa2_list_add(cl, m->name);

    rt->maxSlots = 4;                                                    /* perform advance reservation */
    if (DRMAA2_TRUE == drmaa2_supports(DRMAA2_RT_MACHINEOS)) 
   ...
    rt->machineOS=DRMAA2_LINUX;
    rt->candidateMachines = cl;
    r = drmaa2_rsession_request_reservation(rs, rt);

    jt->remoteCommand = strdup("/bin/date");                             /* submit job */
    jt->reservationId = drmaa2_r_get_id(r);
    drmaa2_dict_set(env, "PBS_SCP", "/usr/bin/scp");
    jt->jobEnvironment = env;
    j = drmaa2_jsession_run_job(js, jt);

    drmaa2_j_wait_terminated(j, DRMAA2_INFINITE_TIME);                  /* Wait for termination and print exit status */
    ji = drmaa2_j_get_info(j);
    ...
	...
	...

    /* close sessions, cleanup */
    drmaa2_jtemplate_free(&jt);
    drmaa2_rtemplate_free(&rt);
    drmaa2_jinfo_free(&ji);
    drmaa2_j_free(&j);
    drmaa2_r_free(&r);

    drmaa2_close_msession(ms);
    drmaa2_close_rsession(rs);
    drmaa2_close_jsession(js);
    drmaa2_msession_free(&ms);
    drmaa2_rsession_free(&rs);
    drmaa2_jsession_free(&js);

    ...
    ...