Exemple #1
0
/*
 * Look for and handle any -mca options on the command line
 */
int mca_base_cmd_line_process_args(opal_cmd_line_t *cmd,
                                   char ***context_env, char ***global_env)
{
    int i, num_insts;
    char **params;
    char **values;

    /* If no relevant parameters were given, just return */

    if (!opal_cmd_line_is_taken(cmd, "mca") &&
            !opal_cmd_line_is_taken(cmd, "gmca")) {
        return OPAL_SUCCESS;
    }

    /* Handle app context-specific parameters */

    num_insts = opal_cmd_line_get_ninsts(cmd, "mca");
    params = values = NULL;
    for (i = 0; i < num_insts; ++i) {
        process_arg(opal_cmd_line_get_param(cmd, "mca", i, 0),
                    opal_cmd_line_get_param(cmd, "mca", i, 1),
                    &params, &values);
    }
    if (NULL != params) {
        add_to_env(params, values, context_env);
        opal_argv_free(params);
        opal_argv_free(values);
    }

    /* Handle global parameters */

    num_insts = opal_cmd_line_get_ninsts(cmd, "gmca");
    params = values = NULL;
    for (i = 0; i < num_insts; ++i) {
        process_arg(opal_cmd_line_get_param(cmd, "gmca", i, 0),
                    opal_cmd_line_get_param(cmd, "gmca", i, 1),
                    &params, &values);
    }
    if (NULL != params) {
        add_to_env(params, values, global_env);
        opal_argv_free(params);
        opal_argv_free(values);
    }

    /* All done */

    return OPAL_SUCCESS;
}
Exemple #2
0
void orte_info_do_params(bool want_all_in, bool want_internal)
{
    int count;
    char *type, *component, *str;
    bool found;
    int i;
    bool want_all = false;
    
    orte_info_components_open();
    
    if (want_all_in) {
        want_all = true;
    } else {
        /* See if the special param "all" was givin to --param; that
         * superceeds any individual type
         */
        count = opal_cmd_line_get_ninsts(orte_info_cmd_line, "param");
        for (i = 0; i < count; ++i) {
            type = opal_cmd_line_get_param(orte_info_cmd_line, "param", (int)i, 0);
            if (0 == strcmp(orte_info_type_all, type)) {
                want_all = true;
                break;
            }
        }
    }
    
    /* Show the params */    
    if (want_all) {
        for (i = 0; i < mca_types.size; ++i) {
            if (NULL == (type = (char *)opal_pointer_array_get_item(&mca_types, i))) {
                continue;
            }
            orte_info_show_mca_params(type, orte_info_component_all, want_internal);
        }
    } else {
        for (i = 0; i < count; ++i) {
            type = opal_cmd_line_get_param(orte_info_cmd_line, "param", (int)i, 0);
            component = opal_cmd_line_get_param(orte_info_cmd_line, "param", (int)i, 1);
            
            for (found = false, i = 0; i < mca_types.size; ++i) {
                if (NULL == (str = (char *)opal_pointer_array_get_item(&mca_types, i))) {
                    continue;
                }
                if (0 == strcmp(str, type)) {
                    found = true;
                    break;
                }
            }
            
            if (!found) {
                char *usage = opal_cmd_line_get_usage_msg(orte_info_cmd_line);
                orte_show_help("help-orte-info.txt", "not-found", true, type);
                free(usage);
                exit(1);
            }
            
            orte_info_show_mca_params(type, component, want_internal);
        }
    }
}
Exemple #3
0
/*
 * do_version
 *
 * Determines the version information related to the ompi components
 * being used.
 * Accepts: 
 *	- want_all: True if all components' info is required.
 *	- cmd_line: The constructed command line argument
 */
void ompi_info_do_version(bool want_all, opal_cmd_line_t *cmd_line)
{
    unsigned int count;
    size_t i;
    char *arg1, *scope, *type, *component;
    char *pos;
    int j;
    
    ompi_info_open_components();
    
    if (want_all) {
        ompi_info_show_ompi_version(ompi_info_ver_full);
        for (j = 0; j < mca_types.size; ++j) {
            if (NULL == (pos = (char*)opal_pointer_array_get_item(&mca_types, j))) {
                continue;
            }
            ompi_info_show_component_version(pos, ompi_info_component_all, ompi_info_ver_full, ompi_info_type_all);
        }
    } else {
        count = opal_cmd_line_get_ninsts(cmd_line, "version");
        for (i = 0; i < count; ++i) {
            arg1 = opal_cmd_line_get_param(cmd_line, "version", (int)i, 0);
            scope = opal_cmd_line_get_param(cmd_line, "version", (int)i, 1);
            
            /* Version of Open MPI */
            
            if (0 == strcmp(ompi_info_type_ompi, arg1)) {
                ompi_info_show_ompi_version(scope);
            } 
            
            /* Specific type and component */
            
            else if (NULL != (pos = strchr(arg1, ':'))) {
                *pos = '\0';
                type = arg1;
                pos++;
                component = pos;
                
                ompi_info_show_component_version(type, component, scope, ompi_info_ver_all);
                
            }
            
            /* All components of a specific type */
            
            else {
                ompi_info_show_component_version(arg1, ompi_info_component_all, scope, ompi_info_ver_all);
            }
        }
    }
}
Exemple #4
0
void ompi_info_do_path(bool want_all, opal_cmd_line_t *cmd_line)
{
    int i, count;
    char *scope;
    
    /* Check bozo case */
    count = opal_cmd_line_get_ninsts(cmd_line, "path");
    for (i = 0; i < count; ++i) {
        scope = opal_cmd_line_get_param(cmd_line, "path", i, 0);
        if (0 == strcmp("all", scope)) {
            want_all = true;
            break;
        }
    }
    
    if (want_all) {
        ompi_info_show_path(ompi_info_path_prefix, opal_install_dirs.prefix);
        ompi_info_show_path(ompi_info_path_exec_prefix, opal_install_dirs.exec_prefix);
        ompi_info_show_path(ompi_info_path_bindir, opal_install_dirs.bindir);
        ompi_info_show_path(ompi_info_path_sbindir, opal_install_dirs.sbindir);
        ompi_info_show_path(ompi_info_path_libdir, opal_install_dirs.libdir);
        ompi_info_show_path(ompi_info_path_incdir, opal_install_dirs.includedir);
        ompi_info_show_path(ompi_info_path_mandir, opal_install_dirs.mandir);
        ompi_info_show_path(ompi_info_path_pkglibdir, opal_install_dirs.pkglibdir);
        ompi_info_show_path(ompi_info_path_libexecdir, opal_install_dirs.libexecdir);
        ompi_info_show_path(ompi_info_path_datarootdir, opal_install_dirs.datarootdir);
        ompi_info_show_path(ompi_info_path_datadir, opal_install_dirs.datadir);
        ompi_info_show_path(ompi_info_path_sysconfdir, opal_install_dirs.sysconfdir);
        ompi_info_show_path(ompi_info_path_sharedstatedir, opal_install_dirs.sharedstatedir);
        ompi_info_show_path(ompi_info_path_localstatedir, opal_install_dirs.localstatedir);
        ompi_info_show_path(ompi_info_path_infodir, opal_install_dirs.infodir);
        ompi_info_show_path(ompi_info_path_pkgdatadir, opal_install_dirs.pkgdatadir);
        ompi_info_show_path(ompi_info_path_pkglibdir, opal_install_dirs.pkglibdir);
        ompi_info_show_path(ompi_info_path_pkgincludedir, opal_install_dirs.pkgincludedir);
    } else {
        count = opal_cmd_line_get_ninsts(cmd_line, "path");
        for (i = 0; i < count; ++i) {
            scope = opal_cmd_line_get_param(cmd_line, "path", i, 0);
            
            if (0 == strcmp(ompi_info_path_prefix, scope)) {
                ompi_info_show_path(ompi_info_path_prefix, opal_install_dirs.prefix);
            } else if (0 == strcmp(ompi_info_path_bindir, scope)) {
                ompi_info_show_path(ompi_info_path_bindir, opal_install_dirs.bindir);
            } else if (0 == strcmp(ompi_info_path_libdir, scope)) {
                ompi_info_show_path(ompi_info_path_libdir, opal_install_dirs.libdir);
            } else if (0 == strcmp(ompi_info_path_incdir, scope)) {
                ompi_info_show_path(ompi_info_path_incdir, opal_install_dirs.includedir);
            } else if (0 == strcmp(ompi_info_path_mandir, scope)) {
                ompi_info_show_path(ompi_info_path_mandir, opal_install_dirs.mandir);
            } else if (0 == strcmp(ompi_info_path_pkglibdir, scope)) {
                ompi_info_show_path(ompi_info_path_pkglibdir, opal_install_dirs.pkglibdir);
            } else if (0 == strcmp(ompi_info_path_sysconfdir, scope)) {
                ompi_info_show_path(ompi_info_path_sysconfdir, opal_install_dirs.sysconfdir);
            } else if (0 == strcmp(ompi_info_path_exec_prefix, scope)) {
                ompi_info_show_path(ompi_info_path_exec_prefix, opal_install_dirs.exec_prefix);
            } else if (0 == strcmp(ompi_info_path_sbindir, scope)) {
                ompi_info_show_path(ompi_info_path_sbindir, opal_install_dirs.sbindir);
            } else if (0 == strcmp(ompi_info_path_libexecdir, scope)) {
                ompi_info_show_path(ompi_info_path_libexecdir, opal_install_dirs.libexecdir);
            } else if (0 == strcmp(ompi_info_path_datarootdir, scope)) {
                ompi_info_show_path(ompi_info_path_datarootdir, opal_install_dirs.datarootdir);
            } else if (0 == strcmp(ompi_info_path_datadir, scope)) {
                ompi_info_show_path(ompi_info_path_datadir, opal_install_dirs.datadir);
            } else if (0 == strcmp(ompi_info_path_sharedstatedir, scope)) {
                ompi_info_show_path(ompi_info_path_sharedstatedir, opal_install_dirs.sharedstatedir);
            } else if (0 == strcmp(ompi_info_path_localstatedir, scope)) {
                ompi_info_show_path(ompi_info_path_localstatedir, opal_install_dirs.localstatedir);
            } else if (0 == strcmp(ompi_info_path_infodir, scope)) {
                ompi_info_show_path(ompi_info_path_infodir, opal_install_dirs.infodir);
            } else if (0 == strcmp(ompi_info_path_pkgdatadir, scope)) {
                ompi_info_show_path(ompi_info_path_pkgdatadir, opal_install_dirs.pkgdatadir);
            } else if (0 == strcmp(ompi_info_path_pkgincludedir, scope)) {
                ompi_info_show_path(ompi_info_path_pkgincludedir, opal_install_dirs.pkgincludedir);
            } else {
                char *usage = opal_cmd_line_get_usage_msg(cmd_line);
                orte_show_help("help-ompi_info.txt", "usage", true, usage);
                free(usage);
                exit(1);
            }
        }
    }
}
Exemple #5
0
static int parse_env(char **personality,
                     char *path,
                     opal_cmd_line_t *cmd_line,
                     char **srcenv,
                     char ***dstenv)
{
    int i, j;
    char *param;
    char *value;
    char *env_set_flag;
    char **vars;
    bool takeus = false;

    /* see if we are included */
    for (i=0; NULL != personality[i]; i++) {
        if (0 == strcmp(personality[i], "ompi")) {
            takeus = true;
            break;
        }
    }
    if (!takeus) {
        return ORTE_ERR_TAKE_NEXT_OPTION;
    }

    for (i = 0; NULL != srcenv[i]; ++i) {
        if (0 == strncmp("OMPI_", srcenv[i], 5)) {
            /* check for duplicate in app->env - this
             * would have been placed there by the
             * cmd line processor. By convention, we
             * always let the cmd line override the
             * environment
             */
            param = strdup(srcenv[i]);
            value = strchr(param, '=');
            *value = '\0';
            value++;
            opal_setenv(param, value, false, dstenv);
            free(param);
        }
    }

    /* set necessary env variables for external usage from tune conf file*/
    int set_from_file = 0;
    vars = NULL;
    if (OPAL_SUCCESS == mca_base_var_process_env_list_from_file(&vars) &&
            NULL != vars) {
        for (i=0; NULL != vars[i]; i++) {
            value = strchr(vars[i], '=');
            /* terminate the name of the param */
            *value = '\0';
            /* step over the equals */
            value++;
            /* overwrite any prior entry */
            opal_setenv(vars[i], value, true, dstenv);
            /* save it for any comm_spawn'd apps */
            opal_setenv(vars[i], value, true, &orte_forwarded_envars);
        }
        set_from_file = 1;
        opal_argv_free(vars);
    }
    /* Did the user request to export any environment variables on the cmd line? */
    env_set_flag = getenv("OMPI_MCA_mca_base_env_list");
    if (opal_cmd_line_is_taken(cmd_line, "x")) {
        if (NULL != env_set_flag) {
            orte_show_help("help-orterun.txt", "orterun:conflict-env-set", false);
            return ORTE_ERR_FATAL;
        }
        j = opal_cmd_line_get_ninsts(cmd_line, "x");
        for (i = 0; i < j; ++i) {
            param = opal_cmd_line_get_param(cmd_line, "x", i, 0);

            if (NULL != (value = strchr(param, '='))) {
                /* terminate the name of the param */
                *value = '\0';
                /* step over the equals */
                value++;
                /* overwrite any prior entry */
                opal_setenv(param, value, true, dstenv);
                /* save it for any comm_spawn'd apps */
                opal_setenv(param, value, true, &orte_forwarded_envars);
            } else {
                value = getenv(param);
                if (NULL != value) {
                    /* overwrite any prior entry */
                    opal_setenv(param, value, true, dstenv);
                    /* save it for any comm_spawn'd apps */
                    opal_setenv(param, value, true, &orte_forwarded_envars);
                } else {
                    opal_output(0, "Warning: could not find environment variable \"%s\"\n", param);
                }
            }
        }
    } else if (NULL != env_set_flag) {
        /* if mca_base_env_list was set, check if some of env vars were set via -x from a conf file.
         * If this is the case, error out.
         */
        if (!set_from_file) {
            /* set necessary env variables for external usage */
            vars = NULL;
            if (OPAL_SUCCESS == mca_base_var_process_env_list(&vars) &&
                    NULL != vars) {
                for (i=0; NULL != vars[i]; i++) {
                    value = strchr(vars[i], '=');
                    /* terminate the name of the param */
                    *value = '\0';
                    /* step over the equals */
                    value++;
                    /* overwrite any prior entry */
                    opal_setenv(vars[i], value, true, dstenv);
                    /* save it for any comm_spawn'd apps */
                    opal_setenv(vars[i], value, true, &orte_forwarded_envars);
                }
                opal_argv_free(vars);
            }
        } else {
            orte_show_help("help-orterun.txt", "orterun:conflict-env-set", false);
            return ORTE_ERR_FATAL;
        }
    }

    /* If the user specified --path, store it in the user's app
       environment via the OMPI_exec_path variable. */
    if (NULL != path) {
        asprintf(&value, "OMPI_exec_path=%s", path);
        opal_argv_append_nosize(dstenv, value);
        /* save it for any comm_spawn'd apps */
        opal_argv_append_nosize(&orte_forwarded_envars, value);
        free(value);
    }

    return ORTE_SUCCESS;
}
Exemple #6
0
int main(int argc, char *argv[])
{
    int rc, i, j;
    opal_cmd_line_t cmd_line;
    char *param, *value;
    orte_job_t *jdata=NULL;
    orte_app_context_t *app;
    char *uri, *ptr;

    /* Setup and parse the command line */
    memset(&myglobals, 0, sizeof(myglobals));
    /* find our basename (the name of the executable) so that we can
       use it in pretty-print error messages */
    myglobals.basename = opal_basename(argv[0]);

    opal_cmd_line_create(&cmd_line, cmd_line_init);
    mca_base_cmd_line_setup(&cmd_line);
    if (OPAL_SUCCESS != (rc = opal_cmd_line_parse(&cmd_line, true,
                                                  argc, argv)) ) {
        if (OPAL_ERR_SILENT != rc) {
            fprintf(stderr, "%s: command line error (%s)\n", argv[0],
                    opal_strerror(rc));
        }
        return rc;
    }

    /* print version if requested.  Do this before check for help so
       that --version --help works as one might expect. */
    if (myglobals.version) {
        char *str;
        str = opal_info_make_version_str("all",
                                         OPAL_MAJOR_VERSION, OPAL_MINOR_VERSION,
                                         OPAL_RELEASE_VERSION,
                                         OPAL_GREEK_VERSION,
                                         OPAL_REPO_REV);
        if (NULL != str) {
            fprintf(stdout, "%s %s\n\nReport bugs to %s\n",
                    myglobals.basename, str, PACKAGE_BUGREPORT);
            free(str);
        }
        exit(0);
    }

    /* check if we are running as root - if we are, then only allow
     * us to proceed if the allow-run-as-root flag was given. Otherwise,
     * exit with a giant warning flag
     */
    if (0 == geteuid() && !myglobals.run_as_root) {
        fprintf(stderr, "--------------------------------------------------------------------------\n");
        if (myglobals.help) {
            fprintf(stderr, "%s cannot provide the help message when run as root\n", myglobals.basename);
        } else {
            /* show_help is not yet available, so print an error manually */
            fprintf(stderr, "%s has detected an attempt to run as root.\n", myglobals.basename);
        }
        fprintf(stderr, " This is *strongly* discouraged as any mistake (e.g., in defining TMPDIR) or bug can\n");
        fprintf(stderr, "result in catastrophic damage to the OS file system, leaving\n");
        fprintf(stderr, "your system in an unusable state.\n\n");
        fprintf(stderr, "You can override this protection by adding the --allow-run-as-root\n");
        fprintf(stderr, "option to your cmd line. However, we reiterate our strong advice\n");
        fprintf(stderr, "against doing so - please do so at your own risk.\n");
        fprintf(stderr, "--------------------------------------------------------------------------\n");
        exit(1);
    }

    /*
     * Since this process can now handle MCA/GMCA parameters, make sure to
     * process them.
     * NOTE: It is "safe" to call mca_base_cmd_line_process_args() before
     *  opal_init_util() since mca_base_cmd_line_process_args() does *not*
     *  depend upon opal_init_util() functionality.
     */
    if (OPAL_SUCCESS != mca_base_cmd_line_process_args(&cmd_line, &environ, &environ)) {
        exit(1);
    }

    /* Need to initialize OPAL so that install_dirs are filled in */
    if (OPAL_SUCCESS != opal_init(&argc, &argv)) {
        exit(1);
    }

    /* Check for help request */
    if (myglobals.help) {
        char *str, *args = NULL;
        char *project_name = NULL;
        if (0 == strcmp(myglobals.basename, "mpirun")) {
            project_name = "Open MPI";
        } else {
            project_name = "OpenRTE";
        }
        args = opal_cmd_line_get_usage_msg(&cmd_line);
        str = opal_show_help_string("help-orterun.txt", "orterun:usage", false,
                                    myglobals.basename, project_name, OPAL_VERSION,
                                    myglobals.basename, args,
                                    PACKAGE_BUGREPORT);
        if (NULL != str) {
            printf("%s", str);
            free(str);
        }
        free(args);

        /* If someone asks for help, that should be all we do */
        exit(0);
    }

    /* flag that I am the HNP */
    orte_process_info.proc_type = ORTE_PROC_HNP;

    /* Setup MCA params */
    orte_register_params();

    /* specify the DVM state machine */
    opal_setenv("OMPI_MCA_state", "dvm", true, &environ);

    /* Intialize our Open RTE environment */
    if (ORTE_SUCCESS != (rc = orte_init(&argc, &argv, ORTE_PROC_HNP))) {
        /* cannot call ORTE_ERROR_LOG as it could be the errmgr
         * never got loaded!
         */
        return rc;
    }
    /* finalize OPAL. As it was opened again from orte_init->opal_init
     * we continue to have a reference count on it. So we have to finalize it twice...
     */
    opal_finalize();

    /* check for request to report uri */
    uri = orte_rml.get_contact_info();
    if (NULL != myglobals.report_uri) {
        FILE *fp;
        if (0 == strcmp(myglobals.report_uri, "-")) {
            /* if '-', then output to stdout */
            printf("VMURI: %s\n", uri);
        } else if (0 == strcmp(myglobals.report_uri, "+")) {
            /* if '+', output to stderr */
            fprintf(stderr, "VMURI: %s\n", uri);
        } else if (0 == strncasecmp(myglobals.report_uri, "file:", strlen("file:"))) {
            ptr = strchr(myglobals.report_uri, ':');
            ++ptr;
            fp = fopen(ptr, "w");
            if (NULL == fp) {
                orte_show_help("help-orterun.txt", "orterun:write_file", false,
                               myglobals.basename, "pid", ptr);
                exit(0);
            }
            fprintf(fp, "%s\n", uri);
            fclose(fp);
        } else {
            fp = fopen(myglobals.report_uri, "w");
            if (NULL == fp) {
                orte_show_help("help-orterun.txt", "orterun:write_file", false,
                               myglobals.basename, "pid", myglobals.report_uri);
                exit(0);
            }
            fprintf(fp, "%s\n", uri);
            fclose(fp);
        }
        free(uri);
    } else {
        printf("VMURI: %s\n", uri);
    }

    /* get the daemon job object - was created by ess/hnp component */
    if (NULL == (jdata = orte_get_job_data_object(ORTE_PROC_MY_NAME->jobid))) {
        orte_show_help("help-orterun.txt", "bad-job-object", true,
                       myglobals.basename);
        exit(0);
    }
    /* also should have created a daemon "app" */
    if (NULL == (app = (orte_app_context_t*)opal_pointer_array_get_item(jdata->apps, 0))) {
        orte_show_help("help-orterun.txt", "bad-app-object", true,
                       myglobals.basename);
        exit(0);
    }

    /* Did the user specify a prefix, or want prefix by default? */
    if (opal_cmd_line_is_taken(&cmd_line, "prefix") || want_prefix_by_default) {
        size_t param_len;
        /* if both the prefix was given and we have a prefix
         * given above, check to see if they match
         */
        if (opal_cmd_line_is_taken(&cmd_line, "prefix") &&
            NULL != myglobals.prefix) {
            /* if they don't match, then that merits a warning */
            param = strdup(opal_cmd_line_get_param(&cmd_line, "prefix", 0, 0));
            /* ensure we strip any trailing '/' */
            if (0 == strcmp(OPAL_PATH_SEP, &(param[strlen(param)-1]))) {
                param[strlen(param)-1] = '\0';
            }
            value = strdup(myglobals.prefix);
            if (0 == strcmp(OPAL_PATH_SEP, &(value[strlen(value)-1]))) {
                value[strlen(value)-1] = '\0';
            }
            if (0 != strcmp(param, value)) {
                orte_show_help("help-orterun.txt", "orterun:app-prefix-conflict",
                               true, myglobals.basename, value, param);
                /* let the global-level prefix take precedence since we
                 * know that one is being used
                 */
                free(param);
                param = strdup(myglobals.prefix);
            }
            free(value);
        } else if (NULL != myglobals.prefix) {
            param = myglobals.prefix;
        } else if (opal_cmd_line_is_taken(&cmd_line, "prefix")){
            /* must be --prefix alone */
            param = strdup(opal_cmd_line_get_param(&cmd_line, "prefix", 0, 0));
        } else {
            /* --enable-orterun-prefix-default was given to orterun */
            param = strdup(opal_install_dirs.prefix);
        }

        if (NULL != param) {
            /* "Parse" the param, aka remove superfluous path_sep. */
            param_len = strlen(param);
            while (0 == strcmp (OPAL_PATH_SEP, &(param[param_len-1]))) {
                param[param_len-1] = '\0';
                param_len--;
                if (0 == param_len) {
                    orte_show_help("help-orterun.txt", "orterun:empty-prefix",
                                   true, myglobals.basename, myglobals.basename);
                    return ORTE_ERR_FATAL;
                }
            }
            orte_set_attribute(&app->attributes, ORTE_APP_PREFIX_DIR, ORTE_ATTR_GLOBAL, param, OPAL_STRING);
            free(param);
        }
    }

    /* Did the user specify a hostfile. Need to check for both
     * hostfile and machine file.
     * We can only deal with one hostfile per app context, otherwise give an error.
     */
    if (0 < (j = opal_cmd_line_get_ninsts(&cmd_line, "hostfile"))) {
        if(1 < j) {
            orte_show_help("help-orterun.txt", "orterun:multiple-hostfiles",
                           true, myglobals.basename, NULL);
            return ORTE_ERR_FATAL;
        } else {
            value = opal_cmd_line_get_param(&cmd_line, "hostfile", 0, 0);
            orte_set_attribute(&app->attributes, ORTE_APP_HOSTFILE, ORTE_ATTR_LOCAL, value, OPAL_STRING);
        }
    }
    if (0 < (j = opal_cmd_line_get_ninsts(&cmd_line, "machinefile"))) {
        if(1 < j || orte_get_attribute(&app->attributes, ORTE_APP_HOSTFILE, NULL, OPAL_STRING)) {
            orte_show_help("help-orterun.txt", "orterun:multiple-hostfiles",
                           true, myglobals.basename, NULL);
            return ORTE_ERR_FATAL;
        } else {
            value = opal_cmd_line_get_param(&cmd_line, "machinefile", 0, 0);
            orte_set_attribute(&app->attributes, ORTE_APP_HOSTFILE, ORTE_ATTR_LOCAL, value, OPAL_STRING);
        }
    }

    /* Did the user specify any hosts? */
    if (0 < (j = opal_cmd_line_get_ninsts(&cmd_line, "host"))) {
        char **targ=NULL, *tval;
        for (i = 0; i < j; ++i) {
            value = opal_cmd_line_get_param(&cmd_line, "host", i, 0);
            opal_argv_append_nosize(&targ, value);
        }
        tval = opal_argv_join(targ, ',');
        orte_set_attribute(&app->attributes, ORTE_APP_DASH_HOST, ORTE_ATTR_LOCAL, tval, OPAL_STRING);
        opal_argv_free(targ);
        free(tval);
    }
    OBJ_DESTRUCT(&cmd_line);

    /* setup to listen for commands sent specifically to me, even though I would probably
     * be the one sending them! Unfortunately, since I am a participating daemon,
     * there are times I need to send a command to "all daemons", and that means *I* have
     * to receive it too
     */
    orte_rml.recv_buffer_nb(ORTE_NAME_WILDCARD, ORTE_RML_TAG_DAEMON,
                            ORTE_RML_PERSISTENT, orte_daemon_recv, NULL);

    /* override the notify_completed state so we can send a message
     * back to anyone who submits a job to us telling them the job
     * completed */
    if (ORTE_SUCCESS != (rc = orte_state.set_job_state_callback(ORTE_JOB_STATE_NOTIFY_COMPLETED, notify_requestor))) {
        ORTE_ERROR_LOG(rc);
        ORTE_UPDATE_EXIT_STATUS(rc);
        exit(orte_exit_status);
    }

    /* spawn the DVM - we skip the initial steps as this
     * isn't a user-level application */
    ORTE_ACTIVATE_JOB_STATE(jdata, ORTE_JOB_STATE_ALLOCATE);

    /* loop the event lib until an exit event is detected */
    while (orte_event_base_active) {
        opal_event_loop(orte_event_base, OPAL_EVLOOP_ONCE);
    }

    /* cleanup and leave */
    orte_finalize();

    if (orte_debug_flag) {
        fprintf(stderr, "exiting with status %d\n", orte_exit_status);
    }
    exit(orte_exit_status);
}