Example #1
0
int main(int argc, char** argv)
{
    int rc;
    opal_thread_t* thr1;
    opal_thread_t* thr2;

    test_init("opal_condition_t");

    rc = opal_init(&argc, &argv);
    test_verify_int(OPAL_SUCCESS, rc);
    if (OPAL_SUCCESS != rc) {
        test_finalize();
        exit(1);
    }
    opal_set_using_threads(true);

    OBJ_CONSTRUCT(&mutex, opal_mutex_t);
    OBJ_CONSTRUCT(&thr1_cond, opal_condition_t);
    OBJ_CONSTRUCT(&thr2_cond, opal_condition_t);

    thr1 = OBJ_NEW(opal_thread_t);
    thr2 = OBJ_NEW(opal_thread_t);
    thr1->t_run = thr1_run;
    thr2->t_run = thr2_run;

    rc = opal_thread_start(thr1);
    test_verify_int(OPAL_SUCCESS, rc);

    rc = opal_thread_start(thr2);
    test_verify_int(OPAL_SUCCESS, rc);

    rc = opal_thread_join(thr1, NULL);
    test_verify_int(OPAL_SUCCESS, rc);
    test_verify_int(TEST_COUNT, thr1_count);

    rc = opal_thread_join(thr2, NULL);
    test_verify_int(OPAL_SUCCESS, rc);
    test_verify_int(TEST_COUNT, thr2_count);

    opal_finalize();

    return test_finalize();
}
static void test(bool thread_usage){

    /* local variables */
    opal_pointer_array_t *array;
    value_t *test_data;
    int len_test_data,i,test_len_in_array,error_cnt;
    int ele_index;
    int use_threads,error_code;
    value_t value;

    /* initialize thread levels */
    use_threads=(int)opal_set_using_threads(thread_usage);
    
    array=OBJ_NEW(opal_pointer_array_t);
    assert(array);

    len_test_data=5;
    test_data=malloc(sizeof(value_t)*len_test_data);
    assert(test_data);

    for(i=0 ; i < len_test_data ; i++ ) {
        test_data[i].ivalue = (i+1);
    }

    /* add data to table */
    test_len_in_array=3;
    assert(len_test_data>=test_len_in_array);
    for(i=0 ; i < test_len_in_array ; i++ ) {
        opal_pointer_array_add(array,test_data[i].cvalue);
    }
    /* check to see that test_len_in_array are in array */
    if( (array->size - array->number_free) == test_len_in_array) {
        test_success();
    } else {
        test_failure("check on number of elments in array");
    }

    /* check order of data */
    error_cnt=0;
    for(i=0 ; i < test_len_in_array ; i++ ) {
        value.cvalue = array->addr[i];
        if( (i+1) != value.ivalue ) {
            error_cnt++;
        }
    }
    if( 0 == error_cnt ) {
        test_success();
    } else {
        test_failure(" data check ");
    }

    /* free 2nd element and make sure that value is reset correctly,
     *   and that the lowest_index is also reset correctly */
    ele_index=1;
    error_code=opal_pointer_array_set_item(array,ele_index,NULL);
    if( 0 == error_code ) {
        test_success();
    } else {
        test_failure(" opal_pointer_array_set_item ");
    }
    if( NULL == array->addr[ele_index]){
        test_success();
    } else {
        test_failure(" set pointer value");
    }
    if( ele_index == array->lowest_free ) {
        test_success();
    } else {
        test_failure(" lowest free ");
    }

    /* test opal_pointer_array_get_item */
    array->number_free=array->size;
    array->lowest_free=0;
    for(i=0 ; i < array->size ; i++ ) {
        array->addr[i] = NULL;
    }
    error_cnt=0;
    for(i=0 ; i < array->size ; i++ ) {
        value.ivalue = i + 2;
        ele_index=opal_pointer_array_add(array, value.cvalue);
        if( i != ele_index ) {
            error_cnt++;
        }
    }
    if( 0 == error_cnt ) {
        test_success();
    } else {
        test_failure(" opal_pointer_array_add 2nd ");
    }

    error_cnt=0;
    for(i=0 ; i < array->size ; i++ ) {
        value.cvalue = opal_pointer_array_get_item(array,i);
        if( (i+2) != value.ivalue ) {
            error_cnt++;
        }
    }
    if( 0 == error_cnt ) {
        test_success();
    } else {
        test_failure(" data check - 2nd ");
    }

    free (array);
    free(test_data);
}
Example #3
0
int main(int argc, char *argv[])
{
    int ret = 0;
    bool want_help = false;
    bool cmd_error = false;
    bool acted = false;
    bool want_all = false;
    char **app_env = NULL, **global_env = NULL;
    int i, len;
    char *str;
    
    /* Initialize the argv parsing handle */
    if (OMPI_SUCCESS != opal_init_util(&argc, &argv)) {
        orte_show_help("help-ompi_info.txt", "lib-call-fail", true, 
                       "opal_init_util", __FILE__, __LINE__, NULL);
        exit(ret);
    }
    
    ompi_info_cmd_line = OBJ_NEW(opal_cmd_line_t);
    if (NULL == ompi_info_cmd_line) {
        ret = errno;
        orte_show_help("help-ompi_info.txt", "lib-call-fail", true, 
                       "opal_cmd_line_create", __FILE__, __LINE__, NULL);
        opal_finalize_util();
        exit(ret);
    }
    
    opal_cmd_line_make_opt3(ompi_info_cmd_line, 'v', NULL, "version", 2, 
                            "Show version of Open MPI or a component.  The first parameter can be the keywords \"ompi\" or \"all\", a framework name (indicating all components in a framework), or a framework:component string (indicating a specific component).  The second parameter can be one of: full, major, minor, release, greek, svn.");
    opal_cmd_line_make_opt3(ompi_info_cmd_line, '\0', NULL, "param", 2, 
                            "Show MCA parameters.  The first parameter is the framework (or the keyword \"all\"); the second parameter is the specific component name (or the keyword \"all\").");
    opal_cmd_line_make_opt3(ompi_info_cmd_line, '\0', NULL, "internal", 0, 
                            "Show internal MCA parameters (not meant to be modified by users)");
    opal_cmd_line_make_opt3(ompi_info_cmd_line, '\0', NULL, "path", 1, 
                            "Show paths that Open MPI was configured with.  Accepts the following parameters: prefix, bindir, libdir, incdir, mandir, pkglibdir, sysconfdir");
    opal_cmd_line_make_opt3(ompi_info_cmd_line, '\0', NULL, "arch", 0, 
                            "Show architecture Open MPI was compiled on");
    opal_cmd_line_make_opt3(ompi_info_cmd_line, 'c', NULL, "config", 0, 
                            "Show configuration options");
    opal_cmd_line_make_opt3(ompi_info_cmd_line, 'h', NULL, "help", 0, 
                            "Show this help message");
    opal_cmd_line_make_opt3(ompi_info_cmd_line, '\0', NULL, "ompi_info_pretty", 0, 
                            "When used in conjunction with other parameters, the output is displayed in 'ompi_info_prettyprint' format (default)");
    opal_cmd_line_make_opt3(ompi_info_cmd_line, '\0', NULL, "parsable", 0, 
                            "When used in conjunction with other parameters, the output is displayed in a machine-parsable format");
    opal_cmd_line_make_opt3(ompi_info_cmd_line, '\0', NULL, "parseable", 0, 
                            "Synonym for --parsable");
    opal_cmd_line_make_opt3(ompi_info_cmd_line, '\0', NULL, "hostname", 0, 
                            "Show the hostname that Open MPI was configured "
                            "and built on");
    opal_cmd_line_make_opt3(ompi_info_cmd_line, 'a', NULL, "all", 0, 
                            "Show all configuration options and MCA parameters");
    
    /* Call some useless functions in order to guarantee to link in some
     * global variables.  Only check the return value so that the
     * compiler doesn't optimize out the useless function.
     */
    
    if (OMPI_SUCCESS != ompi_comm_link_function()) {
        /* Stop .. or I'll say stop again! */
        ++ret;
    } else {
        --ret;
    }
    
    /* set our threading level */
    opal_set_using_threads(false);
    
    /* Get MCA parameters, if any */
    
    if( OMPI_SUCCESS != mca_base_open() ) {
        orte_show_help("help-ompi_info.txt", "lib-call-fail", true, "mca_base_open", __FILE__, __LINE__ );
        OBJ_RELEASE(ompi_info_cmd_line);
        opal_finalize_util();
        exit(1);
    }
    mca_base_cmd_line_setup(ompi_info_cmd_line);
    
    /* Do the parsing */
    
    if (OMPI_SUCCESS != opal_cmd_line_parse(ompi_info_cmd_line, false, argc, argv)) {
        cmd_error = true;
    }
    if (!cmd_error && 
        (opal_cmd_line_is_taken(ompi_info_cmd_line, "help") || 
         opal_cmd_line_is_taken(ompi_info_cmd_line, "h"))) {
        want_help = true;
    }
    if (cmd_error || want_help) {
        char *usage = opal_cmd_line_get_usage_msg(ompi_info_cmd_line);
        orte_show_help("help-ompi_info.txt", "usage", true, usage);
        free(usage);
        mca_base_close();
        OBJ_RELEASE(ompi_info_cmd_line);
        opal_finalize_util();
        exit(cmd_error ? 1 : 0);
    }
    
    mca_base_cmd_line_process_args(ompi_info_cmd_line, &app_env, &global_env);
    
    /* putenv() all the stuff that we got back from env (in case the
     * user specified some --mca params on the command line).  This
     * creates a memory leak, but that's unfortunately how putenv()
     * works.  :-(
     */
    
    len = opal_argv_count(app_env);
    for (i = 0; i < len; ++i) {
        putenv(app_env[i]);
    }
    len = opal_argv_count(global_env);
    for (i = 0; i < len; ++i) {
        putenv(global_env[i]);
    }
    
    /* setup the mca_types array */
    OBJ_CONSTRUCT(&mca_types, opal_pointer_array_t);
    opal_pointer_array_init(&mca_types, 256, INT_MAX, 128);
    
    opal_pointer_array_add(&mca_types, "mca");
    opal_pointer_array_add(&mca_types, "mpi");
    opal_pointer_array_add(&mca_types, "orte");
    opal_pointer_array_add(&mca_types, "opal");
    
    opal_pointer_array_add(&mca_types, "filter");
    opal_pointer_array_add(&mca_types, "backtrace");
    opal_pointer_array_add(&mca_types, "memchecker");
    opal_pointer_array_add(&mca_types, "memory");
    opal_pointer_array_add(&mca_types, "paffinity");
    opal_pointer_array_add(&mca_types, "carto");
    opal_pointer_array_add(&mca_types, "shmem");
    opal_pointer_array_add(&mca_types, "maffinity");
    opal_pointer_array_add(&mca_types, "timer");
    opal_pointer_array_add(&mca_types, "installdirs");
    opal_pointer_array_add(&mca_types, "sysinfo");
    opal_pointer_array_add(&mca_types, "hwloc");
#if OPAL_ENABLE_FT_CR == 1
    opal_pointer_array_add(&mca_types, "crs");
#endif
    opal_pointer_array_add(&mca_types, "dpm");
    opal_pointer_array_add(&mca_types, "pubsub");
    opal_pointer_array_add(&mca_types, "allocator");
    opal_pointer_array_add(&mca_types, "coll");
    opal_pointer_array_add(&mca_types, "io");
    opal_pointer_array_add(&mca_types, "mpool");
    opal_pointer_array_add(&mca_types, "pml");
    opal_pointer_array_add(&mca_types, "bml");
    opal_pointer_array_add(&mca_types, "rcache");
    opal_pointer_array_add(&mca_types, "btl");
    opal_pointer_array_add(&mca_types, "mtl");
    opal_pointer_array_add(&mca_types, "topo");
    opal_pointer_array_add(&mca_types, "osc");
    opal_pointer_array_add(&mca_types, "op");
    opal_pointer_array_add(&mca_types, "common");
#if OPAL_ENABLE_FT_CR == 1
    opal_pointer_array_add(&mca_types, "crcp");
#endif
    
#if !ORTE_DISABLE_FULL_SUPPORT
    opal_pointer_array_add(&mca_types, "iof");
    opal_pointer_array_add(&mca_types, "oob");
    opal_pointer_array_add(&mca_types, "odls");
    opal_pointer_array_add(&mca_types, "ras");
    opal_pointer_array_add(&mca_types, "rmaps");
    opal_pointer_array_add(&mca_types, "rml");
    opal_pointer_array_add(&mca_types, "routed");
    opal_pointer_array_add(&mca_types, "plm");
#if OPAL_ENABLE_FT_CR == 1
    opal_pointer_array_add(&mca_types, "snapc");
#endif
    opal_pointer_array_add(&mca_types, "filem");
#endif
    /* these are always included */
    opal_pointer_array_add(&mca_types, "errmgr");
    opal_pointer_array_add(&mca_types, "ess");
    opal_pointer_array_add(&mca_types, "grpcomm");
    opal_pointer_array_add(&mca_types, "notifier");
    
    /* Execute the desired action(s) */
    
    if (opal_cmd_line_is_taken(ompi_info_cmd_line, "ompi_info_pretty")) {
        ompi_info_pretty = true;
    } else if (opal_cmd_line_is_taken(ompi_info_cmd_line, "parsable") || opal_cmd_line_is_taken(ompi_info_cmd_line, "parseable")) {
        ompi_info_pretty = false;
    }
    
    want_all = opal_cmd_line_is_taken(ompi_info_cmd_line, "all");
    if (want_all || opal_cmd_line_is_taken(ompi_info_cmd_line, "version")) {
        ompi_info_do_version(want_all, ompi_info_cmd_line);
        acted = true;
    }
    if (want_all || opal_cmd_line_is_taken(ompi_info_cmd_line, "path")) {
        ompi_info_do_path(want_all, ompi_info_cmd_line);
        acted = true;
    }
    if (want_all || opal_cmd_line_is_taken(ompi_info_cmd_line, "arch")) {
        ompi_info_do_arch();
        acted = true;
    }
    if (want_all || opal_cmd_line_is_taken(ompi_info_cmd_line, "hostname")) {
        ompi_info_do_hostname();
        acted = true;
    }
    if (want_all || opal_cmd_line_is_taken(ompi_info_cmd_line, "config")) {
        ompi_info_do_config(true);
        acted = true;
    }
    if (want_all || opal_cmd_line_is_taken(ompi_info_cmd_line, "param")) {
        ompi_info_do_params(want_all, opal_cmd_line_is_taken(ompi_info_cmd_line, "internal"));
        acted = true;
    }
    
    /* If no command line args are specified, show default set */
    
    if (!acted) {
        ompi_info_show_ompi_version(ompi_info_ver_full);
        ompi_info_show_path(ompi_info_path_prefix, opal_install_dirs.prefix);
        ompi_info_do_arch();
        ompi_info_do_hostname();
        ompi_info_do_config(false);
        ompi_info_open_components();
        for (i = 0; i < mca_types.size; ++i) {
            if (NULL == (str = (char*)opal_pointer_array_get_item(&mca_types, i))) {
                continue;
            }
            if (0 != strcmp("mpi", str)) {
                ompi_info_show_component_version(str, ompi_info_component_all, 
                                       ompi_info_ver_full, ompi_info_type_all);
            }
        }
    }
    
    /* All done */
    
    if (NULL != app_env) {
        opal_argv_free(app_env);
    }
    if (NULL != global_env) {
        opal_argv_free(global_env);
    }
    ompi_info_close_components();
    OBJ_RELEASE(ompi_info_cmd_line);
    OBJ_DESTRUCT(&mca_types);
    mca_base_close();
    
    opal_finalize_util();
    
    return 0;
}
Example #4
0
int ompi_mpi_init(int argc, char **argv, int requested, int *provided)
{
    int ret;
    ompi_proc_t** procs;
    size_t nprocs;
    char *error = NULL;
    struct timeval ompistart, ompistop;
    bool rte_setup = false;
    ompi_rte_collective_t *coll;
    char *cmd=NULL, *av=NULL;

    /* bitflag of the thread level support provided. To be used
     * for the modex in order to work in heterogeneous environments. */
    uint8_t threadlevel_bf; 

    /* Indicate that we have *started* MPI_INIT*.  MPI_FINALIZE has
       something sorta similar in a static local variable in
       ompi_mpi_finalize(). */
    ompi_mpi_init_started = true;

    /* Setup enough to check get/set MCA params */

    if (OPAL_SUCCESS != (ret = opal_init_util(&argc, &argv))) {
        error = "ompi_mpi_init: opal_init_util failed";
        goto error;
    }

    /* Register MCA variables */
    if (OPAL_SUCCESS != (ret = ompi_register_mca_variables())) {
        error = "ompi_mpi_init: ompi_register_mca_variables failed";
        goto error;
    }

    if (OPAL_SUCCESS != (ret = opal_arch_set_fortran_logical_size(sizeof(ompi_fortran_logical_t)))) {
        error = "ompi_mpi_init: opal_arch_set_fortran_logical_size failed";
        goto error;
    }

    /* _After_ opal_init_util() but _before_ orte_init(), we need to
       set an MCA param that tells libevent that it's ok to use any
       mechanism in libevent that is available on this platform (e.g.,
       epoll and friends).  Per opal/event/event.s, we default to
       select/poll -- but we know that MPI processes won't be using
       pty's with the event engine, so it's ok to relax this
       constraint and let any fd-monitoring mechanism be used. */

    ret = mca_base_var_find("opal", "event", "*", "event_include");
    if (ret >= 0) {
        char *allvalue = "all";
        /* We have to explicitly "set" the MCA param value here
           because libevent initialization will re-register the MCA
           param and therefore override the default. Setting the value
           here puts the desired value ("all") in different storage
           that is not overwritten if/when the MCA param is
           re-registered. This is unless the user has specified a different
           value for this MCA parameter. Make sure we check to see if the
           default is specified before forcing "all" in case that is not what
           the user desires. Note that we do *NOT* set this value as an
           environment variable, just so that it won't be inherited by
           any spawned processes and potentially cause unintented
           side-effects with launching RTE tools... */
        mca_base_var_set_value(ret, allvalue, 4, MCA_BASE_VAR_SOURCE_DEFAULT, NULL);
    }

    if (ompi_enable_timing && 0 == OMPI_PROC_MY_NAME->vpid) {
        gettimeofday(&ompistart, NULL);
    }

    /* if we were not externally started, then we need to setup
     * some envars so the MPI_INFO_ENV can get the cmd name
     * and argv (but only if the user supplied a non-NULL argv!), and
     * the requested thread level
     */
    if (NULL == getenv("OMPI_COMMAND") && NULL != argv && NULL != argv[0]) {
        asprintf(&cmd, "OMPI_COMMAND=%s", argv[0]);
        putenv(cmd);
    }
    if (NULL == getenv("OMPI_ARGV") && 1 < argc) {
        char *tmp;
        tmp = opal_argv_join(&argv[1], ' ');
        asprintf(&av, "OMPI_ARGV=%s", tmp);
        free(tmp);
        putenv(av);
    }

    /* open the rte framework */
    if (OMPI_SUCCESS != (ret = mca_base_framework_open(&ompi_rte_base_framework, 0))) {
        error = "ompi_rte_base_open() failed";
        goto error;
    }
    /* no select is required as this is a static framework */

    /* Setup RTE - note that we are an MPI process  */
    if (OMPI_SUCCESS != (ret = ompi_rte_init(NULL, NULL))) {
        error = "ompi_mpi_init: ompi_rte_init failed";
        goto error;
    }
    rte_setup = true;
    
    /* check for timing request - get stop time and report elapsed time if so */
    if (ompi_enable_timing && 0 == OMPI_PROC_MY_NAME->vpid) {
        gettimeofday(&ompistop, NULL);
        opal_output(0, "ompi_mpi_init [%ld]: time from start to completion of rte_init %ld usec",
                    (long)OMPI_PROC_MY_NAME->vpid,
                    (long int)((ompistop.tv_sec - ompistart.tv_sec)*1000000 +
                               (ompistop.tv_usec - ompistart.tv_usec)));
        gettimeofday(&ompistart, NULL);
    }

#if OPAL_HAVE_HWLOC
    /* if hwloc is available but didn't get setup for some
     * reason, do so now
     */
    if (NULL == opal_hwloc_topology) {
        if (OPAL_SUCCESS != (ret = opal_hwloc_base_get_topology())) {
            error = "Topology init";
            goto error;
        }
    }
#endif

    /* Register the default errhandler callback - RTE will ignore if it
     * doesn't support this capability
     */
    ompi_rte_register_errhandler(ompi_errhandler_runtime_callback,
                                 OMPI_RTE_ERRHANDLER_LAST);

    /* Figure out the final MPI thread levels.  If we were not
       compiled for support for MPI threads, then don't allow
       MPI_THREAD_MULTIPLE.  Set this stuff up here early in the
       process so that other components can make decisions based on
       this value. */

    ompi_mpi_thread_level(requested, provided);

    /* determine the bitflag belonging to the threadlevel_support provided */
    memset ( &threadlevel_bf, 0, sizeof(uint8_t));
    OMPI_THREADLEVEL_SET_BITFLAG ( ompi_mpi_thread_provided, threadlevel_bf );

    /* add this bitflag to the modex */
    if ( OMPI_SUCCESS != (ret = ompi_modex_send_string("MPI_THREAD_LEVEL", &threadlevel_bf, sizeof(uint8_t)))) {
        error = "ompi_mpi_init: modex send thread level";
        goto error;
    }

    /* initialize datatypes. This step should be done early as it will
     * create the local convertor and local arch used in the proc
     * init.
     */
    if (OMPI_SUCCESS != (ret = ompi_datatype_init())) {
        error = "ompi_datatype_init() failed";
        goto error;
    }

    /* Initialize OMPI procs */
    if (OMPI_SUCCESS != (ret = ompi_proc_init())) {
        error = "mca_proc_init() failed";
        goto error;
    }

    /* Initialize the op framework. This has to be done *after*
       ddt_init, but befor mca_coll_base_open, since some collective
       modules (e.g., the hierarchical coll component) may need ops in
       their query function. */
    if (OMPI_SUCCESS != (ret = mca_base_framework_open(&ompi_op_base_framework, 0))) {
        error = "ompi_op_base_open() failed";
        goto error;
    }
    if (OMPI_SUCCESS != 
        (ret = ompi_op_base_find_available(OMPI_ENABLE_PROGRESS_THREADS,
                                           OMPI_ENABLE_THREAD_MULTIPLE))) {
        error = "ompi_op_base_find_available() failed";
        goto error;
    }
    if (OMPI_SUCCESS != (ret = ompi_op_init())) {
        error = "ompi_op_init() failed";
        goto error;
    }

    /* Open up MPI-related MCA components */

    if (OMPI_SUCCESS != (ret = mca_base_framework_open(&ompi_allocator_base_framework, 0))) {
        error = "mca_allocator_base_open() failed";
        goto error;
    }
    if (OMPI_SUCCESS != (ret = mca_base_framework_open(&ompi_rcache_base_framework, 0))) {
        error = "mca_rcache_base_open() failed";
        goto error;
    }
    if (OMPI_SUCCESS != (ret = mca_base_framework_open(&ompi_mpool_base_framework, 0))) {
        error = "mca_mpool_base_open() failed";
        goto error;
    }
    if (OMPI_SUCCESS != (ret = mca_base_framework_open(&ompi_bml_base_framework, 0))) {
        error = "mca_bml_base_open() failed";
        goto error;
    }
    if (OMPI_SUCCESS != (ret = mca_base_framework_open(&ompi_pml_base_framework, 0))) {
        error = "mca_pml_base_open() failed";
        goto error;
    }
    if (OMPI_SUCCESS != (ret = mca_base_framework_open(&ompi_coll_base_framework, 0))) {
        error = "mca_coll_base_open() failed";
        goto error;
    }

    if (OMPI_SUCCESS != (ret = mca_base_framework_open(&ompi_osc_base_framework, 0))) {
        error = "ompi_osc_base_open() failed";
        goto error;
    }

#if OPAL_ENABLE_FT_CR == 1
    if (OMPI_SUCCESS != (ret = mca_base_framework_open(&ompi_crcp_base_framework, 0))) {
        error = "ompi_crcp_base_open() failed";
        goto error;
    }
#endif

    /* In order to reduce the common case for MPI apps (where they
       don't use MPI-2 IO or MPI-1 topology functions), the io and
       topo frameworks are initialized lazily, at the first use of
       relevant functions (e.g., MPI_FILE_*, MPI_CART_*, MPI_GRAPH_*),
       so they are not opened here. */

    /* Select which MPI components to use */

    if (OMPI_SUCCESS != 
        (ret = mca_mpool_base_init(OMPI_ENABLE_PROGRESS_THREADS,
                                   OMPI_ENABLE_THREAD_MULTIPLE))) {
        error = "mca_mpool_base_init() failed";
        goto error;
    }

    if (OMPI_SUCCESS != 
        (ret = mca_pml_base_select(OMPI_ENABLE_PROGRESS_THREADS,
                                   OMPI_ENABLE_THREAD_MULTIPLE))) {
        error = "mca_pml_base_select() failed";
        goto error;
    }

    /* check for timing request - get stop time and report elapsed time if so */
    if (ompi_enable_timing && 0 == OMPI_PROC_MY_NAME->vpid) {
        gettimeofday(&ompistop, NULL);
        opal_output(0, "ompi_mpi_init[%ld]: time from completion of rte_init to modex %ld usec",
                    (long)OMPI_PROC_MY_NAME->vpid,
                    (long int)((ompistop.tv_sec - ompistart.tv_sec)*1000000 +
                               (ompistop.tv_usec - ompistart.tv_usec)));
        gettimeofday(&ompistart, NULL);
    }
    
    /* exchange connection info - this function also acts as a barrier
     * as it will not return until the exchange is complete
     */
    coll = OBJ_NEW(ompi_rte_collective_t);
    coll->id = ompi_process_info.peer_modex;
    coll->active = true;
    if (OMPI_SUCCESS != (ret = ompi_rte_modex(coll))) {
        error = "rte_modex failed";
        goto error;
    }
    /* wait for modex to complete - this may be moved anywhere in mpi_init
     * so long as it occurs prior to calling a function that needs
     * the modex info!
     */
    OMPI_WAIT_FOR_COMPLETION(coll->active);
    OBJ_RELEASE(coll);

    if (ompi_enable_timing && 0 == OMPI_PROC_MY_NAME->vpid) {
        gettimeofday(&ompistop, NULL);
        opal_output(0, "ompi_mpi_init[%ld]: time to execute modex %ld usec",
                    (long)OMPI_PROC_MY_NAME->vpid,
                    (long int)((ompistop.tv_sec - ompistart.tv_sec)*1000000 +
                               (ompistop.tv_usec - ompistart.tv_usec)));
        gettimeofday(&ompistart, NULL);
    }

    /* select buffered send allocator component to be used */
    if( OMPI_SUCCESS !=
	(ret = mca_pml_base_bsend_init(OMPI_ENABLE_THREAD_MULTIPLE))) {
        error = "mca_pml_base_bsend_init() failed";
        goto error;
    }

    if (OMPI_SUCCESS != 
        (ret = mca_coll_base_find_available(OMPI_ENABLE_PROGRESS_THREADS,
                                            OMPI_ENABLE_THREAD_MULTIPLE))) {
        error = "mca_coll_base_find_available() failed";
        goto error;
    }

    if (OMPI_SUCCESS != 
        (ret = ompi_osc_base_find_available(OMPI_ENABLE_PROGRESS_THREADS,
                                            OMPI_ENABLE_THREAD_MULTIPLE))) {
        error = "ompi_osc_base_find_available() failed";
        goto error;
    }

#if OPAL_ENABLE_FT_CR == 1
    if (OMPI_SUCCESS != (ret = ompi_crcp_base_select() ) ) {
        error = "ompi_crcp_base_select() failed";
        goto error;
    }
#endif

    /* io and topo components are not selected here -- see comment
       above about the io and topo frameworks being loaded lazily */

    /* Initialize each MPI handle subsystem */
    /* initialize requests */
    if (OMPI_SUCCESS != (ret = ompi_request_init())) {
        error = "ompi_request_init() failed";
        goto error;
    }

    if (OMPI_SUCCESS != (ret = ompi_message_init())) {
        error = "ompi_message_init() failed";
        goto error;
    }

    /* initialize info */
    if (OMPI_SUCCESS != (ret = ompi_info_init())) {
        error = "ompi_info_init() failed";
        goto error;
    }

    /* initialize error handlers */
    if (OMPI_SUCCESS != (ret = ompi_errhandler_init())) {
        error = "ompi_errhandler_init() failed";
        goto error;
    }

    /* initialize error codes */
    if (OMPI_SUCCESS != (ret = ompi_mpi_errcode_init())) {
        error = "ompi_mpi_errcode_init() failed";
        goto error;
    }
    
    /* initialize internal error codes */
    if (OMPI_SUCCESS != (ret = ompi_errcode_intern_init())) {
        error = "ompi_errcode_intern_init() failed";
        goto error;
    }
     
    /* initialize groups  */
    if (OMPI_SUCCESS != (ret = ompi_group_init())) {
        error = "ompi_group_init() failed";
        goto error;
    }

    /* initialize communicators */
    if (OMPI_SUCCESS != (ret = ompi_comm_init())) {
        error = "ompi_comm_init() failed";
        goto error;
    }

    /* initialize file handles */
    if (OMPI_SUCCESS != (ret = ompi_file_init())) {
        error = "ompi_file_init() failed";
        goto error;
    }

    /* initialize windows */
    if (OMPI_SUCCESS != (ret = ompi_win_init())) {
        error = "ompi_win_init() failed";
        goto error;
    }

    /* initialize attribute meta-data structure for comm/win/dtype */
    if (OMPI_SUCCESS != (ret = ompi_attr_init())) {
        error = "ompi_attr_init() failed";
        goto error;
    }

    /* identify the architectures of remote procs and setup
     * their datatype convertors, if required
     */
    if (OMPI_SUCCESS != (ret = ompi_proc_complete_init())) {
        error = "ompi_proc_complete_init failed";
        goto error;
    }

    /* If thread support was enabled, then setup OPAL to allow for
       them. */
    if ((OMPI_ENABLE_PROGRESS_THREADS == 1) ||
        (*provided != MPI_THREAD_SINGLE)) {
        opal_set_using_threads(true);
    }

    /* start PML/BTL's */
    ret = MCA_PML_CALL(enable(true));
    if( OMPI_SUCCESS != ret ) {
        error = "PML control failed";
        goto error;
    }

    /* add all ompi_proc_t's to PML */
    if (NULL == (procs = ompi_proc_world(&nprocs))) {
        error = "ompi_proc_world() failed";
        goto error;
    }
    ret = MCA_PML_CALL(add_procs(procs, nprocs));
    free(procs);
    /* If we got "unreachable", then print a specific error message.
       Otherwise, if we got some other failure, fall through to print
       a generic message. */
    if (OMPI_ERR_UNREACH == ret) {
        opal_show_help("help-mpi-runtime",
                       "mpi_init:startup:pml-add-procs-fail", true);
        error = NULL;
        goto error;
    } else if (OMPI_SUCCESS != ret) {
        error = "PML add procs failed";
        goto error;
    }

    MCA_PML_CALL(add_comm(&ompi_mpi_comm_world.comm));
    MCA_PML_CALL(add_comm(&ompi_mpi_comm_self.comm));

    /*
     * Dump all MCA parameters if requested
     */
    if (ompi_mpi_show_mca_params) {
        ompi_show_all_mca_params(ompi_mpi_comm_world.comm.c_my_rank, 
                                 nprocs, 
                                 ompi_process_info.nodename);
    }

    /* Do we need to wait for a debugger? */
    ompi_rte_wait_for_debugger();

    /* check for timing request - get stop time and report elapsed
       time if so, then start the clock again */
    if (ompi_enable_timing && 0 == OMPI_PROC_MY_NAME->vpid) {
        gettimeofday(&ompistop, NULL);
        opal_output(0, "ompi_mpi_init[%ld]: time from modex to first barrier %ld usec",
                    (long)OMPI_PROC_MY_NAME->vpid,
                    (long int)((ompistop.tv_sec - ompistart.tv_sec)*1000000 +
                               (ompistop.tv_usec - ompistart.tv_usec)));
        gettimeofday(&ompistart, NULL);
    }

    /* wait for everyone to reach this point */
    coll = OBJ_NEW(ompi_rte_collective_t);
    coll->id = ompi_process_info.peer_init_barrier;
    coll->active = true;
    if (OMPI_SUCCESS != (ret = ompi_rte_barrier(coll))) {
        error = "rte_barrier failed";
        goto error;
    }
    /* wait for barrier to complete */
    OMPI_WAIT_FOR_COMPLETION(coll->active);
    OBJ_RELEASE(coll);

    /* check for timing request - get stop time and report elapsed
       time if so, then start the clock again */
    if (ompi_enable_timing && 0 == OMPI_PROC_MY_NAME->vpid) {
        gettimeofday(&ompistop, NULL);
        opal_output(0, "ompi_mpi_init[%ld]: time to execute barrier %ld usec",
                    (long)OMPI_PROC_MY_NAME->vpid,
                    (long int)((ompistop.tv_sec - ompistart.tv_sec)*1000000 +
                               (ompistop.tv_usec - ompistart.tv_usec)));
        gettimeofday(&ompistart, NULL);
    }

#if OMPI_ENABLE_PROGRESS_THREADS == 0
    /* Start setting up the event engine for MPI operations.  Don't
       block in the event library, so that communications don't take
       forever between procs in the dynamic code.  This will increase
       CPU utilization for the remainder of MPI_INIT when we are
       blocking on RTE-level events, but may greatly reduce non-TCP
       latency. */
    opal_progress_set_event_flag(OPAL_EVLOOP_NONBLOCK);
#endif
    
    /* wire up the mpi interface, if requested.  Do this after the
       non-block switch for non-TCP performance.  Do before the
       polling change as anyone with a complex wire-up is going to be
       using the oob. */
    if (OMPI_SUCCESS != (ret = ompi_init_preconnect_mpi())) {
        error = "ompi_mpi_do_preconnect_all() failed";
        goto error;
    }

    /* Setup the publish/subscribe (PUBSUB) framework */
    if (OMPI_SUCCESS != (ret = mca_base_framework_open(&ompi_pubsub_base_framework, 0))) {
        error = "mca_pubsub_base_open() failed";
        goto error;
    }
    if (OMPI_SUCCESS != (ret = ompi_pubsub_base_select())) {
        error = "ompi_pubsub_base_select() failed";
        goto error;
    }
    
    /* Setup the dynamic process management (DPM) framework */
    if (OMPI_SUCCESS != (ret = mca_base_framework_open(&ompi_dpm_base_framework, 0))) {
        error = "ompi_dpm_base_open() failed";
        goto error;
    }
    if (OMPI_SUCCESS != (ret = ompi_dpm_base_select())) {
        error = "ompi_dpm_base_select() failed";
        goto error;
    }

    /* Determine the overall threadlevel support of all processes 
       in MPI_COMM_WORLD. This has to be done before calling 
       coll_base_comm_select, since some of the collective components
       e.g. hierarch, might create subcommunicators. The threadlevel
       requested by all processes is required in order to know
       which cid allocation algorithm can be used. */
    if ( OMPI_SUCCESS != 
	 ( ret = ompi_comm_cid_init ())) {
	error = "ompi_mpi_init: ompi_comm_cid_init failed";
	goto error;
    }

    /* Init coll for the comms. This has to be after dpm_base_select, 
       (since dpm.mark_dyncomm is not set in the communicator creation
       function else), but before dpm.dyncom_init, since this function
       might require collective for the CID allocation. */
    if (OMPI_SUCCESS !=
        (ret = mca_coll_base_comm_select(MPI_COMM_WORLD))) {
        error = "mca_coll_base_comm_select(MPI_COMM_WORLD) failed";
        goto error;
    }

    if (OMPI_SUCCESS != 
        (ret = mca_coll_base_comm_select(MPI_COMM_SELF))) {
        error = "mca_coll_base_comm_select(MPI_COMM_SELF) failed";
        goto error;
    }


    
    /* Check whether we have been spawned or not.  We introduce that
       at the very end, since we need collectives, datatypes, ptls
       etc. up and running here.... */
    if (OMPI_SUCCESS != (ret = ompi_dpm.dyn_init())) {
        error = "ompi_comm_dyn_init() failed";
        goto error;
    }

    /*
     * Startup the Checkpoint/Restart Mech.
     * Note: Always do this so tools don't hang when
     * in a non-checkpointable build
     */
    if (OMPI_SUCCESS != (ret = ompi_cr_init())) {
        error = "ompi_cr_init";
        goto error;
    }

    /* Undo OPAL calling opal_progress_event_users_increment() during 
       opal_init, to get better latency when not using TCP.  Do 
       this *after* dyn_init, as dyn init uses lots of RTE 
       communication and we don't want to hinder the performance of 
       that code. */ 
    opal_progress_event_users_decrement(); 

    /* see if yield_when_idle was specified - if so, use it */
    opal_progress_set_yield_when_idle(ompi_mpi_yield_when_idle);
    
    /* negative value means use default - just don't do anything */
    if (ompi_mpi_event_tick_rate >= 0) {
        opal_progress_set_event_poll_rate(ompi_mpi_event_tick_rate);
    }

    /* At this point, we are fully configured and in MPI mode.  Any
       communication calls here will work exactly like they would in
       the user's code.  Setup the connections between procs and warm
       them up with simple sends, if requested */

    if (OMPI_SUCCESS != (ret = ompi_mpiext_init())) {
        error = "ompi_mpiext_init";
        goto error;
    }

    /* Fall through */
 error:
    if (ret != OMPI_SUCCESS) {
        /* Only print a message if one was not already printed */
        if (NULL != error) {
            const char *err_msg = opal_strerror(ret);
            /* If RTE was not setup yet, don't use opal_show_help */
            if (rte_setup) {
                opal_show_help("help-mpi-runtime",
                               "mpi_init:startup:internal-failure", true,
                               "MPI_INIT", "MPI_INIT", error, err_msg, ret);
            } else {
                opal_show_help("help-mpi-runtime",
                               "mpi_init:startup:internal-failure", true,
                               "MPI_INIT", "MPI_INIT", error, err_msg, ret);
            }
        }
        return ret;
    }

    /* Initialize the registered datarep list to be empty */
    OBJ_CONSTRUCT(&ompi_registered_datareps, opal_list_t);

    /* Initialize the arrays used to store the F90 types returned by the
     *  MPI_Type_create_f90_XXX functions.
     */
    OBJ_CONSTRUCT( &ompi_mpi_f90_integer_hashtable, opal_hash_table_t);
    opal_hash_table_init(&ompi_mpi_f90_integer_hashtable, 16 /* why not? */);

    OBJ_CONSTRUCT( &ompi_mpi_f90_real_hashtable, opal_hash_table_t);
    opal_hash_table_init(&ompi_mpi_f90_real_hashtable, FLT_MAX_10_EXP);

    OBJ_CONSTRUCT( &ompi_mpi_f90_complex_hashtable, opal_hash_table_t);
    opal_hash_table_init(&ompi_mpi_f90_complex_hashtable, FLT_MAX_10_EXP);

    /* All done.  Wasn't that simple? */

    ompi_mpi_initialized = true;

    /* check for timing request - get stop time and report elapsed time if so */
    if (ompi_enable_timing && 0 == OMPI_PROC_MY_NAME->vpid) {
        gettimeofday(&ompistop, NULL);
        opal_output(0, "ompi_mpi_init[%ld]: time from barrier to complete mpi_init %ld usec",
                    (long)OMPI_PROC_MY_NAME->vpid,
                    (long int)((ompistop.tv_sec - ompistart.tv_sec)*1000000 +
                               (ompistop.tv_usec - ompistart.tv_usec)));
    }

    return MPI_SUCCESS;
}
int ompi_mpi_init(int argc, char **argv, int requested, int *provided)
{
    int ret;
    ompi_proc_t** procs;
    size_t nprocs;
    char *error = NULL;
    bool timing = false;
    int param, value;
    struct timeval ompistart, ompistop;
    char *event_val = NULL;
    opal_paffinity_base_cpu_set_t mask;
    bool proc_bound;
#if 0
    /* see comment below about sched_yield */
    int num_processors;
#endif
    bool orte_setup = false;
    bool paffinity_enabled = false;

    /* Setup enough to check get/set MCA params */

    if (ORTE_SUCCESS != (ret = opal_init_util())) {
        error = "ompi_mpi_init: opal_init_util failed";
        goto error;
    }

    /* _After_ opal_init_util() but _before_ orte_init(), we need to
       set an MCA param that tells libevent that it's ok to use any
       mechanism in libevent that is available on this platform (e.g.,
       epoll and friends).  Per opal/event/event.s, we default to
       select/poll -- but we know that MPI processes won't be using
       pty's with the event engine, so it's ok to relax this
       constraint and let any fd-monitoring mechanism be used. */
    ret = mca_base_param_reg_string_name("opal", "event_include",
                                         "Internal orted MCA param: tell opal_init() to use a specific mechanism in libevent",
                                         false, false, "all", &event_val);
    if (ret >= 0) {
        /* We have to explicitly "set" the MCA param value here
           because libevent initialization will re-register the MCA
           param and therefore override the default. Setting the value
           here puts the desired value ("all") in different storage
           that is not overwritten if/when the MCA param is
           re-registered. This is unless the user has specified a different
           value for this MCA parameter. Make sure we check to see if the
           default is specified before forcing "all" in case that is not what
           the user desires. Note that we do *NOT* set this value as an
           environment variable, just so that it won't be inherited by
           any spawned processes and potentially cause unintented
           side-effects with launching ORTE tools... */
        if (0 == strcmp("all", event_val)) {
            mca_base_param_set_string(ret, "all");
        }
    }

    if( NULL != event_val ) {
        free(event_val);
        event_val = NULL;
    }

    /* check to see if we want timing information */
    param = mca_base_param_reg_int_name("ompi", "timing",
                                        "Request that critical timing loops be measured",
                                        false, false, 0, &value);
    if (value != 0) {
        timing = true;
        gettimeofday(&ompistart, NULL);
    }
    
    /* Setup ORTE - note that we are not a tool  */
    
    if (ORTE_SUCCESS != (ret = orte_init(ORTE_NON_TOOL))) {
        error = "ompi_mpi_init: orte_init failed";
        goto error;
    }
    orte_setup = true;
    
    /* check for timing request - get stop time and report elapsed time if so */
    if (timing && 0 == ORTE_PROC_MY_NAME->vpid) {
        gettimeofday(&ompistop, NULL);
        opal_output(0, "ompi_mpi_init [%ld]: time from start to completion of orte_init %ld usec",
                    (long)ORTE_PROC_MY_NAME->vpid,
                    (long int)((ompistop.tv_sec - ompistart.tv_sec)*1000000 +
                               (ompistop.tv_usec - ompistart.tv_usec)));
        gettimeofday(&ompistart, NULL);
    }

    /* Figure out the final MPI thread levels.  If we were not
       compiled for support for MPI threads, then don't allow
       MPI_THREAD_MULTIPLE.  Set this stuff up here early in the
       process so that other components can make decisions based on
       this value. */

    ompi_mpi_thread_requested = requested;
    if (OMPI_HAVE_THREAD_SUPPORT == 0) {
        ompi_mpi_thread_provided = *provided = MPI_THREAD_SINGLE;
        ompi_mpi_main_thread = NULL;
    } else if (OMPI_ENABLE_MPI_THREADS == 1) {
        ompi_mpi_thread_provided = *provided = requested;
        ompi_mpi_main_thread = opal_thread_get_self();
    } else {
        if (MPI_THREAD_MULTIPLE == requested) {
            ompi_mpi_thread_provided = *provided = MPI_THREAD_SERIALIZED;
        } else {
            ompi_mpi_thread_provided = *provided = requested;
        }
        ompi_mpi_main_thread = opal_thread_get_self();
    }

    ompi_mpi_thread_multiple = (ompi_mpi_thread_provided == 
                                MPI_THREAD_MULTIPLE);

    /* Once we've joined the RTE, see if any MCA parameters were
       passed to the MPI level */

    if (OMPI_SUCCESS != (ret = ompi_mpi_register_params())) {
        error = "mca_mpi_register_params() failed";
        goto error;
    }

    /* if it hasn't already been done, setup process affinity. 
     * First check to see if a slot list was
     * specified.  If so, use it.  If no slot list was specified,
     * that's not an error -- just fall through and try the next
     * paffinity scheme.
     */
    ret = opal_paffinity_base_get(&mask);
    if (OPAL_SUCCESS == ret) {
        /* paffinity is supported - check for binding */
        OPAL_PAFFINITY_PROCESS_IS_BOUND(mask, &proc_bound);
        if (proc_bound) {
            /* someone external set it - indicate it is set
             * so that we know
             */
            paffinity_enabled = true;
        } else {
            /* the system is capable of doing processor affinity, but it
             * has not yet been set - see if a slot_list was given
             */
            if (NULL != opal_paffinity_base_slot_list) {
                /* It's an error if multiple paffinity schemes were specified */
                if (opal_paffinity_alone) {
                    ret = OMPI_ERR_BAD_PARAM;
                    error = "Multiple processor affinity schemes specified (can only specify one)";
                    goto error;
                }
                ret = opal_paffinity_base_slot_list_set((long)ORTE_PROC_MY_NAME->vpid, opal_paffinity_base_slot_list);
                if (OPAL_ERR_NOT_FOUND != ret) {
                    error = "opal_paffinity_base_slot_list_set() returned an error";
                    goto error;
                }
                paffinity_enabled = true;
            } else if (opal_paffinity_alone) {
                /* no slot_list, but they asked for paffinity */
                int phys_cpu;
                orte_node_rank_t nrank;
                if (ORTE_NODE_RANK_INVALID == (nrank = orte_ess.get_node_rank(ORTE_PROC_MY_NAME))) {
                    error = "Could not get node rank - cannot set processor affinity";
                    goto error;
                }
                OPAL_PAFFINITY_CPU_ZERO(mask);
                phys_cpu = opal_paffinity_base_get_physical_processor_id(nrank);
                if (0 > phys_cpu) {
                    error = "Could not get physical processor id - cannot set processor affinity";
                    goto error;
                }
                OPAL_PAFFINITY_CPU_SET(phys_cpu, mask);
                ret = opal_paffinity_base_set(mask);
                if (OPAL_SUCCESS != ret) {
                    error = "Setting processor affinity failed";
                    goto error;
                }
                paffinity_enabled = true;
            }
        }
    }
    
    /* If we were able to set processor affinity, try setting up
     memory affinity */
    if (!opal_maffinity_setup && paffinity_enabled) {
        if (OPAL_SUCCESS == opal_maffinity_base_open() &&
            OPAL_SUCCESS == opal_maffinity_base_select()) {
            opal_maffinity_setup = true;
        }
    }
    
    /* initialize datatypes. This step should be done early as it will
     * create the local convertor and local arch used in the proc
     * init.
     */
    if (OMPI_SUCCESS != (ret = ompi_ddt_init())) {
        error = "ompi_ddt_init() failed";
        goto error;
    }

    /* Initialize OMPI procs */
    if (OMPI_SUCCESS != (ret = ompi_proc_init())) {
        error = "mca_proc_init() failed";
        goto error;
    }

    /* initialize ops. This has to be done *after* ddt_init, but
       befor mca_coll_base_open, since come collective modules
       (e.g. the hierarchical) need them in the query function
    */
    if (OMPI_SUCCESS != (ret = ompi_op_init())) {
        error = "ompi_op_init() failed";
        goto error;
    }


    /* Open up MPI-related MCA components */

    if (OMPI_SUCCESS != (ret = mca_allocator_base_open())) {
        error = "mca_allocator_base_open() failed";
        goto error;
    }
    if (OMPI_SUCCESS != (ret = mca_rcache_base_open())) {
        error = "mca_rcache_base_open() failed";
        goto error;
    }
    if (OMPI_SUCCESS != (ret = mca_mpool_base_open())) {
        error = "mca_mpool_base_open() failed";
        goto error;
    }
    if (OMPI_SUCCESS != (ret = mca_pml_base_open())) {
        error = "mca_pml_base_open() failed";
        goto error;
    }
    if (OMPI_SUCCESS != (ret = mca_coll_base_open())) {
        error = "mca_coll_base_open() failed";
        goto error;
    }

    if (OMPI_SUCCESS != (ret = ompi_osc_base_open())) {
        error = "ompi_osc_base_open() failed";
        goto error;
    }

#if OPAL_ENABLE_FT == 1
    if (OMPI_SUCCESS != (ret = ompi_crcp_base_open())) {
        error = "ompi_crcp_base_open() failed";
        goto error;
    }
#endif

    /* In order to reduce the common case for MPI apps (where they
       don't use MPI-2 IO or MPI-1 topology functions), the io and
       topo frameworks are initialized lazily, at the first use of
       relevant functions (e.g., MPI_FILE_*, MPI_CART_*, MPI_GRAPH_*),
       so they are not opened here. */

    /* Select which MPI components to use */

    if (OMPI_SUCCESS != 
        (ret = mca_mpool_base_init(OMPI_ENABLE_PROGRESS_THREADS,
                                   OMPI_ENABLE_MPI_THREADS))) {
        error = "mca_mpool_base_init() failed";
        goto error;
    }

    if (OMPI_SUCCESS != 
        (ret = mca_pml_base_select(OMPI_ENABLE_PROGRESS_THREADS,
                                   OMPI_ENABLE_MPI_THREADS))) {
        error = "mca_pml_base_select() failed";
        goto error;
    }

    /* select buffered send allocator component to be used */
    ret=mca_pml_base_bsend_init(OMPI_ENABLE_MPI_THREADS);
    if( OMPI_SUCCESS != ret ) {
        error = "mca_pml_base_bsend_init() failed";
        goto error;
    }

    if (OMPI_SUCCESS != 
        (ret = mca_coll_base_find_available(OMPI_ENABLE_PROGRESS_THREADS,
                                            OMPI_ENABLE_MPI_THREADS))) {
        error = "mca_coll_base_find_available() failed";
        goto error;
    }

    if (OMPI_SUCCESS != 
        (ret = ompi_osc_base_find_available(OMPI_ENABLE_PROGRESS_THREADS,
                                           OMPI_ENABLE_MPI_THREADS))) {
        error = "ompi_osc_base_find_available() failed";
        goto error;
    }

#if OPAL_ENABLE_FT == 1
    if (OMPI_SUCCESS != (ret = ompi_crcp_base_select() ) ) {
        error = "ompi_crcp_base_select() failed";
        goto error;
    }
#endif

    /* io and topo components are not selected here -- see comment
       above about the io and topo frameworks being loaded lazily */

    /* Initialize each MPI handle subsystem */
    /* initialize requests */
    if (OMPI_SUCCESS != (ret = ompi_request_init())) {
        error = "ompi_request_init() failed";
        goto error;
    }

    /* initialize info */
    if (OMPI_SUCCESS != (ret = ompi_info_init())) {
        error = "ompi_info_init() failed";
        goto error;
    }

    /* initialize error handlers */
    if (OMPI_SUCCESS != (ret = ompi_errhandler_init())) {
        error = "ompi_errhandler_init() failed";
        goto error;
    }

    /* initialize error codes */
    if (OMPI_SUCCESS != (ret = ompi_mpi_errcode_init())) {
        error = "ompi_mpi_errcode_init() failed";
        goto error;
    }
    
    /* initialize internal error codes */
    if (OMPI_SUCCESS != (ret = ompi_errcode_intern_init())) {
        error = "ompi_errcode_intern_init() failed";
        goto error;
    }
     
    /* initialize groups  */
    if (OMPI_SUCCESS != (ret = ompi_group_init())) {
        error = "ompi_group_init() failed";
        goto error;
    }

    /* initialize communicators */
    if (OMPI_SUCCESS != (ret = ompi_comm_init())) {
        error = "ompi_comm_init() failed";
        goto error;
    }

    /* initialize file handles */
    if (OMPI_SUCCESS != (ret = ompi_file_init())) {
        error = "ompi_file_init() failed";
        goto error;
    }

    /* initialize windows */
    if (OMPI_SUCCESS != (ret = ompi_win_init())) {
        error = "ompi_win_init() failed";
        goto error;
    }

    /* initialize attribute meta-data structure for comm/win/dtype */
    if (OMPI_SUCCESS != (ret = ompi_attr_init())) {
        error = "ompi_attr_init() failed";
        goto error;
    }

    /* check for timing request - get stop time and report elapsed time if so */
    if (timing && 0 == ORTE_PROC_MY_NAME->vpid) {
        gettimeofday(&ompistop, NULL);
        opal_output(0, "ompi_mpi_init[%ld]: time from completion of orte_init to modex %ld usec",
                    (long)ORTE_PROC_MY_NAME->vpid,
                    (long int)((ompistop.tv_sec - ompistart.tv_sec)*1000000 +
                               (ompistop.tv_usec - ompistart.tv_usec)));
        gettimeofday(&ompistart, NULL);
    }
    
    /* exchange connection info - this function also acts as a barrier
     * as it will not return until the exchange is complete
     */
    if (OMPI_SUCCESS != (ret = orte_grpcomm.modex(NULL))) {
        error = "orte_grpcomm_modex failed";
        goto error;
    }

    if (timing && 0 == ORTE_PROC_MY_NAME->vpid) {
        gettimeofday(&ompistop, NULL);
        opal_output(0, "ompi_mpi_init[%ld]: time to execute modex %ld usec",
                    (long)ORTE_PROC_MY_NAME->vpid,
                    (long int)((ompistop.tv_sec - ompistart.tv_sec)*1000000 +
                               (ompistop.tv_usec - ompistart.tv_usec)));
        gettimeofday(&ompistart, NULL);
    }
    
    /* identify the architectures of remote procs and setup
     * their datatype convertors, if required
     */
    if (OMPI_SUCCESS != (ret = ompi_proc_set_arch())) {
        error = "ompi_proc_set_arch failed";
        goto error;
    }

    /* If thread support was enabled, then setup OPAL to allow for
       them. */
    if ((OMPI_ENABLE_PROGRESS_THREADS == 1) ||
        (*provided != MPI_THREAD_SINGLE)) {
        opal_set_using_threads(true);
    }

    /* start PML/BTL's */
    ret = MCA_PML_CALL(enable(true));
    if( OMPI_SUCCESS != ret ) {
        error = "PML control failed";
        goto error;
    }

    /* add all ompi_proc_t's to PML */
    if (NULL == (procs = ompi_proc_world(&nprocs))) {
        error = "ompi_proc_world() failed";
        goto error;
    }
    ret = MCA_PML_CALL(add_procs(procs, nprocs));
    free(procs);
    if( OMPI_SUCCESS != ret ) {
        error = "PML add procs failed";
        goto error;
    }

    MCA_PML_CALL(add_comm(&ompi_mpi_comm_world.comm));
    MCA_PML_CALL(add_comm(&ompi_mpi_comm_self.comm));


    /*
     * Dump all MCA parameters if requested
     */
    if (ompi_mpi_show_mca_params) {
       ompi_show_all_mca_params(ompi_mpi_comm_world.comm.c_my_rank, 
                                nprocs, 
                                orte_process_info.nodename);
    }

    /* Do we need to wait for a debugger? */
    ompi_wait_for_debugger();
    
    /* check for timing request - get stop time and report elapsed
     time if so, then start the clock again */
    if (timing && 0 == ORTE_PROC_MY_NAME->vpid) {
        gettimeofday(&ompistop, NULL);
        opal_output(0, "ompi_mpi_init[%ld]: time from modex thru complete oob wireup %ld usec",
                    (long)ORTE_PROC_MY_NAME->vpid,
                    (long int)((ompistop.tv_sec - ompistart.tv_sec)*1000000 +
                               (ompistop.tv_usec - ompistart.tv_usec)));
        gettimeofday(&ompistart, NULL);
    }
    
    /* wait for everyone to reach this point */
    if (OMPI_SUCCESS != (ret = orte_grpcomm.barrier())) {
        error = "orte_grpcomm_barrier failed";
        goto error;
    }
    
    /* check for timing request - get stop time and report elapsed
       time if so, then start the clock again */
    if (timing && 0 == ORTE_PROC_MY_NAME->vpid) {
        gettimeofday(&ompistop, NULL);
        opal_output(0, "ompi_mpi_init[%ld]: time to execute barrier %ld usec",
                    (long)ORTE_PROC_MY_NAME->vpid,
                    (long int)((ompistop.tv_sec - ompistart.tv_sec)*1000000 +
                               (ompistop.tv_usec - ompistart.tv_usec)));
        gettimeofday(&ompistart, NULL);
    }

#if OMPI_ENABLE_PROGRESS_THREADS == 0
    /* Start setting up the event engine for MPI operations.  Don't
       block in the event library, so that communications don't take
       forever between procs in the dynamic code.  This will increase
       CPU utilization for the remainder of MPI_INIT when we are
       blocking on ORTE-level events, but may greatly reduce non-TCP
       latency. */
    opal_progress_set_event_flag(OPAL_EVLOOP_NONBLOCK);
#endif
    
    /* wire up the mpi interface, if requested.  Do this after the
       non-block switch for non-TCP performance.  Do before the
       polling change as anyone with a complex wire-up is going to be
       using the oob. */
    if (OMPI_SUCCESS != (ret = ompi_init_preconnect_mpi())) {
        error = "ompi_mpi_do_preconnect_all() failed";
        goto error;
    }

    /* Setup the publish/subscribe (PUBSUB) framework */
    if (OMPI_SUCCESS != (ret = ompi_pubsub_base_open())) {
        error = "ompi_pubsub_base_open() failed";
        goto error;
    }
    if (OMPI_SUCCESS != (ret = ompi_pubsub_base_select())) {
        error = "ompi_pubsub_base_select() failed";
        goto error;
    }
    
    /* Setup the dynamic process management (DPM) framework */
    if (OMPI_SUCCESS != (ret = ompi_dpm_base_open())) {
        error = "ompi_dpm_base_open() failed";
        goto error;
    }
    if (OMPI_SUCCESS != (ret = ompi_dpm_base_select())) {
        error = "ompi_dpm_base_select() failed";
        goto error;
    }

    /* Init coll for the comms. This has to be after dpm_base_select, 
       (since dpm.mark_dyncomm is not set in the communicator creation
       function else), but before dpm.dyncom_init, since this function
       might require collective for the CID allocation. */
    if (OMPI_SUCCESS !=
        (ret = mca_coll_base_comm_select(MPI_COMM_WORLD))) {
        error = "mca_coll_base_comm_select(MPI_COMM_WORLD) failed";
        goto error;
    }

    if (OMPI_SUCCESS != 
        (ret = mca_coll_base_comm_select(MPI_COMM_SELF))) {
        error = "mca_coll_base_comm_select(MPI_COMM_SELF) failed";
        goto error;
    }


    
    /* Check whether we have been spawned or not.  We introduce that
       at the very end, since we need collectives, datatypes, ptls
       etc. up and running here.... */
    if (OMPI_SUCCESS != (ret = ompi_dpm.dyn_init())) {
        error = "ompi_comm_dyn_init() failed";
        goto error;
    }

    /*
     * Startup the Checkpoint/Restart Mech.
     * Note: Always do this so tools don't hang when
     * in a non-checkpointable build
     */
    if (OMPI_SUCCESS != (ret = ompi_cr_init())) {
        error = "ompi_cr_init";
        goto error;
    }

    /* Undo OPAL calling opal_progress_event_users_increment() during 
       opal_init, to get better latency when not using TCP.  Do 
       this *after* dyn_init, as dyn init uses lots of ORTE 
       communication and we don't want to hinder the performance of 
       that code. */ 
    opal_progress_event_users_decrement(); 

    /* see if yield_when_idle was specified - if so, use it */
    param = mca_base_param_find("mpi", NULL, "yield_when_idle");
    mca_base_param_lookup_int(param, &value);
    if (value < 0) {
        /* if no info is provided, just default to conservative */
        opal_progress_set_yield_when_idle(true);
    } else {
        /* info was provided, so set idle accordingly */
        opal_progress_set_yield_when_idle(value == 0 ? false : true);
    }
    
    param = mca_base_param_find("mpi", NULL, "event_tick_rate");
    mca_base_param_lookup_int(param, &value);
    /* negative value means use default - just don't do anything */
    if (value >= 0) {
        opal_progress_set_event_poll_rate(value);
    }

    /* At this point, we are fully configured and in MPI mode.  Any
       communication calls here will work exactly like they would in
       the user's code.  Setup the connections between procs and warm
       them up with simple sends, if requested */

 error:
    if (ret != OMPI_SUCCESS) {
        const char *err_msg = opal_strerror(ret);
        /* If ORTE was not setup yet, don't use orte_show_help */
        if (orte_setup) {
            orte_show_help("help-mpi-runtime",
                           "mpi_init:startup:internal-failure", true,
                           "MPI_INIT", "MPI_INIT", error, err_msg, ret);
        } else {
            opal_show_help("help-mpi-runtime",
                           "mpi_init:startup:internal-failure", true,
                           "MPI_INIT", "MPI_INIT", error, err_msg, ret);
        }
        return ret;
    }

    /* Initialize the registered datarep list to be empty */
    OBJ_CONSTRUCT(&ompi_registered_datareps, opal_list_t);

    /* Initialize the arrays used to store the F90 types returned by the
     *  MPI_Type_create_f90_XXX functions.
     */
    OBJ_CONSTRUCT( &ompi_mpi_f90_integer_hashtable, opal_hash_table_t);
    opal_hash_table_init(&ompi_mpi_f90_integer_hashtable, 16 /* why not? */);

    OBJ_CONSTRUCT( &ompi_mpi_f90_real_hashtable, opal_hash_table_t);
    opal_hash_table_init(&ompi_mpi_f90_real_hashtable, FLT_MAX_10_EXP);

    OBJ_CONSTRUCT( &ompi_mpi_f90_complex_hashtable, opal_hash_table_t);
    opal_hash_table_init(&ompi_mpi_f90_complex_hashtable, FLT_MAX_10_EXP);
    
    /* All done.  Wasn't that simple? */

    ompi_mpi_initialized = true;

    /* check for timing request - get stop time and report elapsed time if so */
    if (timing && 0 == ORTE_PROC_MY_NAME->vpid) {
        gettimeofday(&ompistop, NULL);
        opal_output(0, "ompi_mpi_init[%ld]: time from barrier p to complete mpi_init %ld usec",
                    (long)ORTE_PROC_MY_NAME->vpid,
                    (long int)((ompistop.tv_sec - ompistart.tv_sec)*1000000 +
                               (ompistop.tv_usec - ompistart.tv_usec)));
    }

    return MPI_SUCCESS;
}
Example #6
0
int orcm_init(orcm_proc_type_t flags)
{
    int ret;
    char *error;
    int i, spin;

    if (NULL != getenv("ORCM_MCA_spin")) {
        spin = 1;
        /* spin until a debugger can attach */
        while (0 != spin) {
            ret = 0;
            while (ret < 10000) {
                ret++;
            };
        }
    }
    
    if (!orcm_util_initialized) {
        orcm_init_util();
    }
    
    /* set the default leader policy */
    orcm_default_leader_policy.jobid = ORTE_JOBID_WILDCARD;
    orcm_default_leader_policy.vpid = ORTE_VPID_WILDCARD;

    /* get the number of max msgs */
    mca_base_param_reg_int_name("orcm", "max_buffered_msgs",
                                "Number of recvd messages to hold in storage from each source",
                                false, false, ORCM_MAX_MSG_RING_SIZE, &orcm_max_msg_ring_size);

    /* independent mode or not */
    mca_base_param_reg_int_name("orcm", "sched_kill_dvm",
                                "Whether or not scheduler kills associated daemons upon termination (default: no)",
                                false, false, (int)false, &ret);
    orcm_sched_kill_dvm = OPAL_INT_TO_BOOL(ret);

    /* setup the globals that require initialization */
    orcm_triplets = OBJ_NEW(orcm_triplets_array_t);

#ifdef HAVE_QSYSTEM_H
#ifdef Q_SYSTEM_INTFCS_TO_PROBE_FOR_IP_ADDRESS
{
    char *eth_ifs[] = Q_SYSTEM_INTFCS_TO_PROBE_FOR_IP_ADDRESS;
    char **adds=NULL, *ifs, *envar;
    int i, num_ifs;

    num_ifs = sizeof(eth_ifs) / sizeof(eth_ifs[0]);
    for (i=0; i < num_ifs; i++) {
        opal_argv_append_nosize(&adds, eth_ifs[i]);
    }
    ifs = opal_argv_join(adds, ',');
    opal_argv_free(adds);
    /* push it into the environ so that the rmcast framework can get it */
    asprintf(&envar, "OMPI_MCA_rmcast_base_if_include=%s", ifs);
    putenv(envar);
    /* cannot release envar as the environ doesn't keep its own copy */
    free(ifs);
}
#endif
#endif

    /* initialize us */
    if (ORTE_SUCCESS != (ret = orte_init(NULL, NULL, flags))) {
        error = "orte_init";
        goto error;
    }

    if (!ORCM_PROC_IS_TOOL) {
        opal_set_using_threads(true);
    }

    if (!ORCM_PROC_IS_APP) {
        trap_signals();
    }

    orcm_initialized = true;
    
    return ORCM_SUCCESS;

error:
    if (ORCM_ERR_SILENT != ret) {
        orte_show_help("help-openrcm-runtime.txt",
                       "orcm_init:startup:internal-failure",
                       true, error, ORTE_ERROR_NAME(ret), ret);
    }
    
    return ret;
}
Example #7
0
RTE_PUBLIC int rte_orte_init(int *argc, char ***argv, rte_group_t *out_group)
{
    int rc;

    if (rte_initialized)
        goto exit;

    rte_initialized = true;

    if (OPAL_SUCCESS != (rc = opal_init_util(NULL, NULL))) {
        return RTE_ERROR;
    }

    /* Pasha: This is MPI specific code
    if (OPAL_SUCCESS != (ret = opal_arch_set_fortran_logical_size(sizeof(ompi_fortran_logical_t)))) {
        return RTE_ERROR;
    }
    */

    /* _After_ opal_init_util() but _before_ orte_init(), we need to
       set an MCA param that tells libevent that it's ok to use any
       mechanism in libevent that is available on this platform (e.g.,
       epoll and friends).  Per opal/event/event.s, we default to
       select/poll -- but we know that MPI processes won't be using
       pty's with the event engine, so it's ok to relax this
       constraint and let any fd-monitoring mechanism be used. */

    rc = mca_base_var_find("opal", "event", "*", "event_include");
    if (rc >= 0) {
        char *allvalue = "all";
        /* We have to explicitly "set" the MCA param value here
           because libevent initialization will re-register the MCA
           param and therefore override the default. Setting the value
           here puts the desired value ("all") in different storage
           that is not overwritten if/when the MCA param is
           re-registered. This is unless the user has specified a different
           value for this MCA parameter. Make sure we check to see if the
           default is specified before forcing "all" in case that is not what
           the user desires. Note that we do *NOT* set this value as an
           environment variable, just so that it won't be inherited by
           any spawned processes and potentially cause unintented
           side-effects with launching RTE tools... */
        mca_base_var_set_value(rc, allvalue, 4, MCA_BASE_VAR_SOURCE_DEFAULT, NULL);
    }

    opal_set_using_threads(false); /* true - just doesn't work */

    /* Pasha: Let's present ourself as ompi proc */
    rc = orte_init(NULL, NULL, ORTE_PROC_MPI);
    if (OPAL_SUCCESS != rc) {
        *out_group = NULL;
        return RTE_ERROR;
    }

    /* Temporary disabled, since it conflicts with OMPI and we don't really use 
       it with ddt so far.
    hook_debugger();
    */

    rc = all_orte_proc_init();
    if (RTE_SUCCESS != rc) {
        return RTE_ERROR;
    }

/* see if yield_when_idle was specified - if so, use it */
    opal_progress_set_yield_when_idle (true);

exit:
    /* Pasha: Orte has no support for groups, instead we return job object */
    *out_group = &orte_process_info;

    return RTE_SUCCESS;

error:
    return RTE_ERROR;
}
Example #8
0
int opal_cr_init(void )
{
    int ret, exit_status = OPAL_SUCCESS;
    opal_cr_coord_callback_fn_t prev_coord_func;
    int val;

    if( ++opal_cr_initalized != 1 ) {
        if( opal_cr_initalized < 1 ) {
            exit_status = OPAL_ERROR;
            goto cleanup;
        }
        exit_status = OPAL_SUCCESS;
        goto cleanup;
    }

    /*
     * Some startup MCA parameters
     */
    ret = mca_base_param_reg_int_name("opal_cr", "verbose",
                                      "Verbose output level for the runtime OPAL Checkpoint/Restart functionality",
                                      false, false,
                                      0,
                                      &val);
    if(0 != val) {
        opal_cr_output = opal_output_open(NULL);
    } else {
        opal_cr_output = -1;
    }
    opal_output_set_verbosity(opal_cr_output, val);

    opal_output_verbose(10, opal_cr_output,
                        "opal_cr: init: Verbose Level: %d",
                        val);

    mca_base_param_reg_int_name("ft", "cr_enabled",
                                "Enable fault tolerance for this program",
                                false, false,
                                0, &val);
    opal_cr_set_enabled(OPAL_INT_TO_BOOL(val));

    opal_output_verbose(10, opal_cr_output,
                        "opal_cr: init: FT Enabled: %d",
                        val);

    mca_base_param_reg_int_name("opal_cr", "enable_timer",
                                "Enable Checkpoint timer (Default: Disabled)",
                                false, false,
                                0, &val);
    opal_cr_timing_enabled = OPAL_INT_TO_BOOL(val);

    mca_base_param_reg_int_name("opal_cr", "enable_timer_barrier",
                                "Enable Checkpoint timer Barrier (Default: Disabled)",
                                false, false,
                                0, &val);
    if( opal_cr_timing_enabled ) {
        opal_cr_timing_barrier_enabled = OPAL_INT_TO_BOOL(val);
    } else {
        opal_cr_timing_barrier_enabled = false;
    }

    mca_base_param_reg_int_name("opal_cr", "timer_target_rank",
                                "Target Rank for the timer (Default: 0)",
                                false, false,
                                0, &val);
    opal_cr_timing_target_rank = val;

#if OPAL_ENABLE_FT_THREAD == 1
    mca_base_param_reg_int_name("opal_cr", "use_thread",
                                "Use an async thread to checkpoint this program (Default: Disabled)",
                                false, false,
                                0, &val);
    opal_cr_thread_use_if_avail = OPAL_INT_TO_BOOL(val);

    opal_output_verbose(10, opal_cr_output,
                        "opal_cr: init: FT Use thread: %d",
                        val);

    mca_base_param_reg_int_name("opal_cr", "thread_sleep_check",
                                "Time to sleep between checking for a checkpoint (Default: 0)",
                                false, false,
                                0, &val);
    opal_cr_thread_sleep_check = val;

    mca_base_param_reg_int_name("opal_cr", "thread_sleep_wait",
                                "Time to sleep waiting for process to exit MPI library (Default: 0)",
                                false, false,
                                0, &val);
    opal_cr_thread_sleep_wait = val;

    opal_output_verbose(10, opal_cr_output,
                        "opal_cr: init: FT thread sleep: check = %d, wait = %d",
                        opal_cr_thread_sleep_check, opal_cr_thread_sleep_wait);
#endif

    mca_base_param_reg_int_name("opal_cr", "is_tool",
                                "Is this a tool program, meaning does it require a fully operational OPAL or just enough to exec.",
                                false, false,
                                0,
                                &val);
    opal_cr_is_tool = OPAL_INT_TO_BOOL(val);

    opal_output_verbose(10, opal_cr_output,
                        "opal_cr: init: Is a tool program: %d",
                        val);
#ifndef __WINDOWS__
    mca_base_param_reg_int_name("opal_cr", "signal",
                                "Checkpoint/Restart signal used to initialize an OPAL Only checkpoint of a program",
                                false, false,
                                SIGUSR1,
                                &opal_cr_entry_point_signal);

    opal_output_verbose(10, opal_cr_output,
                        "opal_cr: init: Checkpoint Signal: %d",
                        opal_cr_entry_point_signal);

    mca_base_param_reg_int_name("opal_cr", "debug_sigpipe",
                                "Activate a signal handler for debugging SIGPIPE Errors that can happen on restart. (Default: Disabled)",
                                false, false,
                                0, &val);
    opal_cr_debug_sigpipe = OPAL_INT_TO_BOOL(val);

    opal_output_verbose(10, opal_cr_output,
                        "opal_cr: init: Debug SIGPIPE: %d (%s)",
                        val, (opal_cr_debug_sigpipe ? "True" : "False"));

#if OPAL_ENABLE_FT_THREAD == 1
    /* If we have a thread, then attach the SIGPIPE signal handler there since
     * it is most likely to be the one that needs it.
     */
    if( opal_cr_debug_sigpipe && !opal_cr_thread_use_if_avail ) {
        if( SIG_ERR == signal(SIGPIPE, opal_cr_sigpipe_debug_signal_handler) ) {
            ;
        }
    }
#else
    if( opal_cr_debug_sigpipe ) {
        if( SIG_ERR == signal(SIGPIPE, opal_cr_sigpipe_debug_signal_handler) ) {
            ;
        }
    }
#endif

#else
    opal_cr_is_tool = true;  /* no support for CR on Windows yet */ 
#endif  /* __WINDOWS__ */

    mca_base_param_reg_string_name("opal_cr", "tmp_dir",
                                   "Temporary directory to place rendezvous files for a checkpoint",
                                   false, false,
                                   "/tmp",
                                   &opal_cr_pipe_dir);

    opal_output_verbose(10, opal_cr_output,
                        "opal_cr: init: Temp Directory: %s",
                        opal_cr_pipe_dir);

    if( !opal_cr_is_tool ) {
        /* Register the OPAL interlevel coordination callback */
        opal_cr_reg_coord_callback(opal_cr_coord, &prev_coord_func);

        opal_cr_stall_check = false;
        opal_cr_currently_stalled = false;

    } /* End opal_cr_is_tool = true */

    /* 
     * If fault tolerance was not compiled in then
     * we need to make sure that the listener thread is active to tell
     * the tools that this is not a checkpointable job.
     * We don't need the CRS framework to be initalized.
     */
#if OPAL_ENABLE_FT    == 1
    /*
     * Open the checkpoint / restart service components
     */
    if (OPAL_SUCCESS != (ret = opal_crs_base_open())) {
        opal_output(opal_cr_output,
                    "opal_cr: init: opal_crs_base_open Failed to open. (%d)\n", ret);
        exit_status = ret;
        goto cleanup;
    }
    
    if (OPAL_SUCCESS != (ret = opal_crs_base_select())) {
        opal_output(opal_cr_output,
                    "opal_cr: init: opal_crs_base_select Failed. (%d)\n", ret);
        exit_status = ret;
        goto cleanup;
    }
#endif

#if OPAL_ENABLE_FT_THREAD == 1
    if( !opal_cr_is_tool && opal_cr_thread_use_if_avail) {
        opal_output_verbose(10, opal_cr_output,
                            "opal_cr: init: starting the thread\n");

        opal_set_using_threads(true);
        /*
         * Start the thread
         */
        OBJ_CONSTRUCT(&opal_cr_thread,     opal_thread_t);
        OBJ_CONSTRUCT(&opal_cr_thread_lock, opal_mutex_t);

        opal_cr_thread_is_done    = false;
        opal_cr_thread_is_active  = false;
        opal_cr_thread_in_library = false;
        opal_cr_thread_num_in_library = 0;

        opal_cr_thread.t_run = opal_cr_thread_fn;
        opal_cr_thread.t_arg = NULL;
        opal_thread_start(&opal_cr_thread);

    } /* End opal_cr_is_tool = true */
    else {
        opal_output_verbose(10, opal_cr_output,
                            "opal_cr: init: *Not* Using C/R thread\n");
    }
#endif /* OPAL_ENABLE_FT_THREAD == 1 */

 cleanup:
    return exit_status;
}
Example #9
0
int main(int argc, char *argv[])
{
    int ret = 0;
    bool want_help = false;
    bool cmd_error = false;
    bool acted = false;
    bool want_all = false;
    char **app_env = NULL, **global_env = NULL;
    int i, len;
    char *str;
    
    /* protect against problems if someone passes us thru a pipe
     * and then abnormally terminates the pipe early */
    signal(SIGPIPE, SIG_IGN);

    /* Initialize the argv parsing handle */
    if (ORTE_SUCCESS != opal_init_util(&argc, &argv)) {
        orte_show_help("help-orte-info.txt", "lib-call-fail", true, 
                       "opal_init_util", __FILE__, __LINE__, NULL);
        exit(ret);
    }
    
    orte_info_cmd_line = OBJ_NEW(opal_cmd_line_t);
    if (NULL == orte_info_cmd_line) {
        ret = errno;
        orte_show_help("help-orte-info.txt", "lib-call-fail", true, 
                       "opal_cmd_line_create", __FILE__, __LINE__, NULL);
        opal_finalize_util();
        exit(ret);
    }
    
    opal_cmd_line_make_opt3(orte_info_cmd_line, 'v', NULL, "version", 2, 
                            "Show version of ORTE or a component.  The first parameter can be the keywords \"orte\" or \"all\", a framework name (indicating all components in a framework), or a framework:component string (indicating a specific component).  The second parameter can be one of: full, major, minor, release, greek, svn.");
    opal_cmd_line_make_opt3(orte_info_cmd_line, '\0', NULL, "param", 2, 
                            "Show MCA parameters.  The first parameter is the framework (or the keyword \"all\"); the second parameter is the specific component name (or the keyword \"all\").");
    opal_cmd_line_make_opt3(orte_info_cmd_line, '\0', NULL, "internal", 0, 
                            "Show internal MCA parameters (not meant to be modified by users)");
    opal_cmd_line_make_opt3(orte_info_cmd_line, '\0', NULL, "path", 1, 
                            "Show paths that Open MPI was configured with.  Accepts the following parameters: prefix, bindir, libdir, incdir, mandir, pkglibdir, sysconfdir");
    opal_cmd_line_make_opt3(orte_info_cmd_line, '\0', NULL, "arch", 0, 
                            "Show architecture Open MPI was corteled on");
    opal_cmd_line_make_opt3(orte_info_cmd_line, 'c', NULL, "config", 0, 
                            "Show configuration options");
    opal_cmd_line_make_opt3(orte_info_cmd_line, 'h', NULL, "help", 0, 
                            "Show this help message");
    opal_cmd_line_make_opt3(orte_info_cmd_line, '\0', NULL, "orte_info_pretty", 0, 
                            "When used in conjunction with other parameters, the output is displayed in 'orte_info_prettyprint' format (default)");
    opal_cmd_line_make_opt3(orte_info_cmd_line, '\0', NULL, "parsable", 0, 
                            "When used in conjunction with other parameters, the output is displayed in a machine-parsable format");
    opal_cmd_line_make_opt3(orte_info_cmd_line, '\0', NULL, "parseable", 0, 
                            "Synonym for --parsable");
    opal_cmd_line_make_opt3(orte_info_cmd_line, '\0', NULL, "hostname", 0, 
                            "Show the hostname that Open MPI was configured "
                            "and built on");
    opal_cmd_line_make_opt3(orte_info_cmd_line, 'a', NULL, "all", 0, 
                            "Show all configuration options and MCA parameters");
    
    /* Call some useless functions in order to guarantee to link in some
     * global variables.  Only check the return value so that the
     * corteler doesn't optimize out the useless function.
     */
    
    if (ORTE_SUCCESS != orte_locks_init()) {
        /* Stop .. or I'll say stop again! */
        ++ret;
    } else {
        --ret;
    }
    
    /* set our threading level */
    opal_set_using_threads(false);
    
    /* Get MCA parameters, if any */
    
    if( ORTE_SUCCESS != mca_base_open() ) {
        orte_show_help("help-orte-info.txt", "lib-call-fail", true, "mca_base_open", __FILE__, __LINE__ );
        OBJ_RELEASE(orte_info_cmd_line);
        opal_finalize_util();
        exit(1);
    }
    mca_base_cmd_line_setup(orte_info_cmd_line);
    
    /* Do the parsing */
    
    ret = opal_cmd_line_parse(orte_info_cmd_line, false, argc, argv);
    if (OPAL_SUCCESS != ret) {
        if (OPAL_ERR_SILENT != ret) {
            fprintf(stderr, "%s: command line error (%s)\n", argv[0],
                    opal_strerror(ret));
        }
        cmd_error = true;
    }
    if (!cmd_error && 
        (opal_cmd_line_is_taken(orte_info_cmd_line, "help") || 
         opal_cmd_line_is_taken(orte_info_cmd_line, "h"))) {
        char *str, *usage;

        want_help = true;
        usage = opal_cmd_line_get_usage_msg(orte_info_cmd_line);
        str = opal_show_help_string("help-orte-info.txt", "usage", true, 
                                    usage);
        if (NULL != str) {
            printf("%s", str);
            free(str);
        }
        free(usage);
    }
    if (cmd_error || want_help) {
        mca_base_close();
        OBJ_RELEASE(orte_info_cmd_line);
        opal_finalize_util();
        exit(cmd_error ? 1 : 0);
    }
    
    mca_base_cmd_line_process_args(orte_info_cmd_line, &app_env, &global_env);
    
    /* putenv() all the stuff that we got back from env (in case the
     * user specified some --mca params on the command line).  This
     * creates a memory leak, but that's unfortunately how putenv()
     * works.  :-(
     */
    
    len = opal_argv_count(app_env);
    for (i = 0; i < len; ++i) {
        putenv(app_env[i]);
    }
    len = opal_argv_count(global_env);
    for (i = 0; i < len; ++i) {
        putenv(global_env[i]);
    }
    
    /* setup the mca_types array */
    OBJ_CONSTRUCT(&mca_types, opal_pointer_array_t);
    opal_pointer_array_init(&mca_types, 256, INT_MAX, 128);
     
    opal_info_register_types(&mca_types);
    orte_info_register_types(&mca_types);
    
    /* Execute the desired action(s) */
    
    if (opal_cmd_line_is_taken(orte_info_cmd_line, "orte_info_pretty")) {
        orte_info_pretty = true;
    } else if (opal_cmd_line_is_taken(orte_info_cmd_line, "parsable") || opal_cmd_line_is_taken(orte_info_cmd_line, "parseable")) {
        orte_info_pretty = false;
    }
    
    want_all = opal_cmd_line_is_taken(orte_info_cmd_line, "all");
    if (want_all || opal_cmd_line_is_taken(orte_info_cmd_line, "version")) {
        orte_info_do_version(want_all, orte_info_cmd_line);
        acted = true;
    }
    if (want_all || opal_cmd_line_is_taken(orte_info_cmd_line, "path")) {
        orte_info_do_path(want_all, orte_info_cmd_line);
        acted = true;
    }
    if (want_all || opal_cmd_line_is_taken(orte_info_cmd_line, "arch")) {
        orte_info_do_arch();
        acted = true;
    }
    if (want_all || opal_cmd_line_is_taken(orte_info_cmd_line, "hostname")) {
        orte_info_do_hostname();
        acted = true;
    }
    if (want_all || opal_cmd_line_is_taken(orte_info_cmd_line, "config")) {
        orte_info_do_config(true);
        acted = true;
    }
    if (want_all || opal_cmd_line_is_taken(orte_info_cmd_line, "param")) {
        orte_info_do_params(want_all, opal_cmd_line_is_taken(orte_info_cmd_line, "internal"));
        acted = true;
    }
    
    /* If no command line args are specified, show default set */
    
    if (!acted) {
        orte_info_show_orte_version(orte_info_ver_full);
        orte_info_show_path(orte_info_path_prefix, opal_install_dirs.prefix);
        orte_info_do_arch();
        orte_info_do_hostname();
        orte_info_do_config(false);
        orte_info_components_open();
        for (i = 0; i < mca_types.size; ++i) {
            if (NULL == (str = (char*)opal_pointer_array_get_item(&mca_types, i))) {
                continue;
            }
            orte_info_show_component_version(str, orte_info_component_all, 
                                             orte_info_ver_full, orte_info_type_all);
        }
    }
    
    /* All done */
    
    if (NULL != app_env) {
        opal_argv_free(app_env);
    }
    if (NULL != global_env) {
        opal_argv_free(global_env);
    }
    orte_info_components_close ();
    OBJ_RELEASE(orte_info_cmd_line);
    OBJ_DESTRUCT(&mca_types);
    mca_base_close();
    
    opal_finalize_util();
    
    return 0;
}