C++ OMPI_ERR_INIT_FINALIZE函数代码示例

int MPI_Comm_get_info(MPI_Comm comm, MPI_Info *info_used)
{
    OPAL_CR_NOOP_PROGRESS();

    if (MPI_PARAM_CHECK) {
        OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
        if (NULL == info_used) {
            return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INFO,
                                          FUNC_NAME);
        }
        if (ompi_comm_invalid(comm)) {
            return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM,
                                          FUNC_NAME);
        }
    }

    if (NULL == comm->super.s_info) {
/*
 * Setup any defaults if MPI_Win_set_info was never called
 */
        opal_infosubscribe_change_info(&comm->super, &MPI_INFO_NULL->super);
    }


    (*info_used) = OBJ_NEW(ompi_info_t);
    if (NULL == (*info_used)) {
       return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_NO_MEM,
                                      FUNC_NAME);
    }
    opal_info_t *opal_info_used = &(*info_used)->super;

    opal_info_dup_mpistandard(comm->super.s_info, &opal_info_used);

    return MPI_SUCCESS;
}

int MPI_Add_error_string(int errorcode, char *string)
{
    int rc;

    if ( MPI_PARAM_CHECK ) {
        OMPI_ERR_INIT_FINALIZE(FUNC_NAME);

        if ( ompi_mpi_errcode_is_invalid(errorcode) )
            return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
                                          FUNC_NAME);

	if ( ompi_mpi_errcode_is_predefined(errorcode) )
	    return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
					  FUNC_NAME);

	if ( MPI_MAX_ERROR_STRING < (strlen(string)+1) ) 
	    return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
					  FUNC_NAME);
    }

    rc = ompi_mpi_errnum_add_string (errorcode, string, (int)(strlen(string)+1));
    if ( OMPI_SUCCESS != rc ) {
        return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INTERN,
                                      FUNC_NAME);
    }

    return MPI_SUCCESS;
}

int MPI_Open_port(MPI_Info info, char *port_name)
{
    int rc;

    if ( MPI_PARAM_CHECK ) {
        OMPI_ERR_INIT_FINALIZE(FUNC_NAME);

        if ( NULL == port_name ) {
            return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
                                          FUNC_NAME);
        }
        if (NULL == info || ompi_info_is_freed(info)) {
            return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INFO,
                                          FUNC_NAME);
        }
    }

    if ( MPI_INFO_NULL != info ) {
        /* in theory, they user might tell us here
           how to establish the address. Since our communication
           is relying on OOB, we probably won't use the info-object.

           Potential values defined in MPI-2:
           - "ip_port"    : value contains IP port number
           - "ip_address" : value contains IP address
        */
    }

    OPAL_CR_ENTER_LIBRARY();

    rc = ompi_dpm_open_port(port_name);

    OMPI_ERRHANDLER_RETURN(rc, MPI_COMM_WORLD, rc, FUNC_NAME);
}

/**
 *   MPI_Info_get_valuelen - Get the length of a value for a given key in an 'M
 *
 *   @param info - info object (handle)
 *   @param key - null-terminated character string of the index key
 *   @param valuelen - length of the value associated with 'key' (integer)
 *   @param flag - true (1) if 'key' defined on 'info', false (0) if not
 *   (logical)
 *
 *   @retval MPI_SUCCESS
 *   @retval MPI_ERR_ARG
 *   @retval MPI_ERR_INFO
 *   @retval MPI_ERR_INFO_KEY
 *
 *   The length returned in C and C++ does not include the end-of-string
 *   character.  If the 'key' is not found on 'info', 'valuelen' is left
 *   alone.
 */
int MPI_Info_get_valuelen(MPI_Info info, const char *key, int *valuelen,
                          int *flag)
{
    int key_length;
    int err;

    /*
     * Simple function. All we need to do is search for the value
     * having the "key" associated with it and return the length
     */
    if (MPI_PARAM_CHECK) {
        OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
        if (NULL == info || MPI_INFO_NULL == info ||
            ompi_info_is_freed(info)) {
            return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INFO,
                                          FUNC_NAME);
        }
        key_length = (key) ? (int)strlen (key) : 0;
        if ((NULL == key) || (0 == key_length) ||
            (MPI_MAX_INFO_KEY <= key_length)) {
            return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INFO_KEY,
                                          FUNC_NAME);
        }
        if (NULL == flag || NULL == valuelen) {
            return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
                                          FUNC_NAME);
        }
    }

    OPAL_CR_ENTER_LIBRARY();

    err = ompi_info_get_valuelen (info, key, valuelen, flag);
    OMPI_ERRHANDLER_RETURN(err, MPI_COMM_WORLD, err, FUNC_NAME);
}

int MPI_Pack_size(int incount, MPI_Datatype datatype, MPI_Comm comm,
                  int *size) 
{
    ompi_convertor_t local_convertor;
    size_t length;

    if (MPI_PARAM_CHECK) {
        OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
        if (MPI_COMM_NULL == comm) {
            return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM,
                                          FUNC_NAME);
        } else if (NULL == size) {
            return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_ARG, FUNC_NAME);
        } else if (MPI_DATATYPE_NULL == datatype) {
            return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_TYPE, FUNC_NAME);
        }
    }

    OBJ_CONSTRUCT( &local_convertor, ompi_convertor_t );
    /* the resulting convertor will be set to the position ZERO */
    ompi_convertor_copy_and_prepare_for_send( ompi_mpi_local_convertor, datatype, incount, NULL, 0, &local_convertor );

    ompi_convertor_get_packed_size( &local_convertor, &length );
    *size = (int)length;
    OBJ_DESTRUCT( &local_convertor );

    return MPI_SUCCESS;
}

int MPI_Group_translate_ranks(MPI_Group group1, int n_ranks, int *ranks1,
                              MPI_Group group2, int *ranks2) 
{
    int err;

    /* check for errors */
    if( MPI_PARAM_CHECK ) {
        OMPI_ERR_INIT_FINALIZE(FUNC_NAME);

        if ((MPI_GROUP_NULL == group1) || (MPI_GROUP_NULL == group2) ||
            (NULL == group1) || (NULL == group2)) {
            return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_GROUP, 
                                          FUNC_NAME);
        }
        if (n_ranks < 0) {
            return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_GROUP, 
                                          FUNC_NAME);
        }
        if (n_ranks > 0 && ((NULL == ranks1) || (NULL == ranks2 ))) {
            return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_GROUP, 
                                          FUNC_NAME);
        }
    }

    if (0 == n_ranks) {
        return MPI_SUCCESS;
    }

    OPAL_CR_ENTER_LIBRARY();

    err = ompi_group_translate_ranks ( group1, n_ranks, ranks1,
                                       group2, ranks2 );
    OMPI_ERRHANDLER_RETURN(err, MPI_COMM_WORLD, err, FUNC_NAME );
}

int MPI_File_get_errhandler( MPI_File file, MPI_Errhandler *errhandler)
{
    /* Error checking */

    if (MPI_PARAM_CHECK) {
        OMPI_ERR_INIT_FINALIZE(FUNC_NAME);

        /* Note that MPI-2:9.7 (p265 in the ps; 261 in the pdf) explicitly
           says that you are allowed to set the error handler on
           MPI_FILE_NULL */

        if (NULL == file) {
            return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_FILE,
                                          "MPI_File_get_errhandler");
        } else if (NULL == errhandler) {
            return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
                                          "MPI_File_get_errhandler");
        }
    }

    /* Retain the errhandler, corresponding to object refcount
       decrease in errhandler_free.c. */
    OBJ_RETAIN(file->error_handler);
    *errhandler = file->error_handler;

    /* All done */

    return MPI_SUCCESS;
}

int MPI_Op_commutative(MPI_Op op, int *commute)
{
    OPAL_CR_NOOP_PROGRESS();

    /* Error checking */

    if (MPI_PARAM_CHECK) {
        OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
        if (NULL == op || MPI_OP_NULL == op) {
            return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_OP,
                                          FUNC_NAME);
        }
        if (NULL == commute) {
            return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
                                          FUNC_NAME);
        }
    }

    /* We have a valid op, get the flag */

    *commute = ompi_op_is_commute(op);

    /* All done */

    return MPI_SUCCESS;
}

int MPI_File_get_info(MPI_File fh, MPI_Info *info_used)
{
    OPAL_CR_NOOP_PROGRESS();

    if (MPI_PARAM_CHECK) {
        OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
        if (NULL == info_used) {
            return OMPI_ERRHANDLER_INVOKE(fh, MPI_ERR_INFO, FUNC_NAME);
        }
        if (ompi_file_invalid(fh)) {
            return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM,
                                          FUNC_NAME);
        }
    }

    if (NULL == fh->super.s_info) {
/*
 * Setup any defaults if MPI_Win_set_info was never called
 */
        opal_infosubscribe_change_info(fh, &MPI_INFO_NULL->super);
    }


    (*info_used) = OBJ_NEW(ompi_info_t);
    if (NULL == (*info_used)) {
       return OMPI_ERRHANDLER_INVOKE(fh, MPI_ERR_NO_MEM, FUNC_NAME);
    }

    opal_info_dup(fh->super.s_info, &(*info_used)->super);

    return OMPI_SUCCESS;
}

int MPI_Keyval_create(MPI_Copy_function *copy_attr_fn,
                      MPI_Delete_function *delete_attr_fn,
                      int *keyval, void *extra_state)
{
    int ret;
    ompi_attribute_fn_ptr_union_t copy_fn;
    ompi_attribute_fn_ptr_union_t del_fn;

    if (MPI_PARAM_CHECK) {
        OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
        if (NULL == keyval) {
            return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_KEYVAL,
                                          FUNC_NAME);
        } else if ((NULL == copy_attr_fn) || (NULL == delete_attr_fn)) {
	    return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
                                          FUNC_NAME);
        }
    }

    OPAL_CR_ENTER_LIBRARY();

    copy_fn.attr_communicator_copy_fn = (MPI_Comm_internal_copy_attr_function*)copy_attr_fn;
    del_fn.attr_communicator_delete_fn = delete_attr_fn;

    ret = ompi_attr_create_keyval(COMM_ATTR, copy_fn,
                                  del_fn, keyval, extra_state, 0, NULL);
    OMPI_ERRHANDLER_RETURN(ret, MPI_COMM_WORLD, MPI_ERR_OTHER, FUNC_NAME);
}

int MPI_File_close(MPI_File *fh)
{
    int rc;

    if (MPI_PARAM_CHECK) {
        OMPI_ERR_INIT_FINALIZE(FUNC_NAME);

        /* Note that MPI-2:9.7 (p265) says that errors in
           MPI_FILE_CLOSE should invoke the default error handler on
           MPI_FILE_NULL */

        if (NULL == fh || ompi_file_invalid(*fh)) {
            return OMPI_ERRHANDLER_INVOKE(MPI_FILE_NULL, MPI_ERR_FILE,
                                          FUNC_NAME);
        }
    }

    OPAL_CR_ENTER_LIBRARY();

    /* Release the MPI_File; the destructor releases the component,
       zeroes out fiels, etc. */

    rc = ompi_file_close(fh);
    OMPI_ERRHANDLER_RETURN(rc, *fh, rc, FUNC_NAME);
}

int MPI_Win_get_info(MPI_Win win, MPI_Info *info_used)
{
    int ret;

    OPAL_CR_NOOP_PROGRESS();

    if (MPI_PARAM_CHECK) {
        OMPI_ERR_INIT_FINALIZE(FUNC_NAME);

        if (ompi_win_invalid(win)) {
            return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_WIN, FUNC_NAME);
        }

        if (NULL == info_used) {
            return OMPI_ERRHANDLER_INVOKE(win, MPI_ERR_ARG, FUNC_NAME);
        }
    }

    if (NULL == win->super.s_info) {
/*
 * Setup any defaults if MPI_Win_set_info was never called
 */
	opal_infosubscribe_change_info(win, &MPI_INFO_NULL->super); 	
    }

    (*info_used) = OBJ_NEW(ompi_info_t);
    if (NULL == (*info_used)) {
       return OMPI_ERRHANDLER_INVOKE(win, MPI_ERR_NO_MEM, FUNC_NAME);
    }

    ret = opal_info_dup(&win->super.s_info, &(*info_used)->super);

    OMPI_ERRHANDLER_RETURN(ret, win, ret, FUNC_NAME);
}

int MPI_Comm_set_name(MPI_Comm comm, char *name) 
{
    int rc;

    if ( MPI_PARAM_CHECK ) {
        OMPI_ERR_INIT_FINALIZE(FUNC_NAME);

        if ( ompi_comm_invalid ( comm ) ) {
            return OMPI_ERRHANDLER_INVOKE ( MPI_COMM_WORLD, MPI_ERR_COMM,
                                            FUNC_NAME);
        }

        if ( NULL == name ) {
            return OMPI_ERRHANDLER_INVOKE ( comm, MPI_ERR_ARG, 
                                            FUNC_NAME);
        }
    }

    rc = ompi_comm_set_name (comm, name );
    /* -- Tracing information for new communicator name -- */
#if 0  
  /* Force TotalView DLL to take note of this name setting */

  ++ompi_tv_comm_sequence_number;
#endif

#if OMPI_PROFILING_DEFINES
#include "ompi/mpi/c/profile/defines.h"
#endif
   OMPI_ERRHANDLER_RETURN(rc, comm, rc, FUNC_NAME); 
}

int MPI_Publish_name(char *service_name, MPI_Info info,
                     char *port_name) 
{
    int rc;

    if ( MPI_PARAM_CHECK ) {
        OMPI_ERR_INIT_FINALIZE(FUNC_NAME); 

        if ( NULL == port_name || 0 == strlen(port_name) ) {
            return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG, 
                                          FUNC_NAME);
        }
        if ( NULL == service_name || 0 == strlen(service_name) ) {
            return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG, 
                                          FUNC_NAME);
        }
        if (NULL == info || ompi_info_is_freed(info)) {
            return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INFO,
                                          FUNC_NAME);
        }
    }

    /* 
     * No predefined info-objects for this function in MPI-2,
     * therefore, we do not parse the info-object at the moment.
     */

    rc = ompi_comm_namepublish (service_name, port_name);
    if ( OMPI_SUCCESS != rc ) {
        return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INTERN,
                                      FUNC_NAME);
    }
    
    return MPI_SUCCESS;
}

int MPI_Win_get_errhandler(MPI_Win win, MPI_Errhandler *errhandler)
{
    MPI_Errhandler tmp;

    OPAL_CR_NOOP_PROGRESS();

    if (MPI_PARAM_CHECK) {
        OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
        if (ompi_win_invalid(win)) {
            return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_WIN,
                                          FUNC_NAME);
        } else if (NULL == errhandler) {
            return OMPI_ERRHANDLER_INVOKE(win, MPI_ERR_ARG,
                                          FUNC_NAME);
        }
    }

    /* On 64 bits environments we have to make sure the reading of the
       error_handler became atomic. */
    do {
        tmp = win->error_handler;
    } while (!OPAL_ATOMIC_CMPSET_PTR(&(win->error_handler), tmp, tmp));

    /* Retain the errhandler, corresponding to object refcount
       decrease in errhandler_free.c. */
    OBJ_RETAIN(win->error_handler);
    *errhandler = win->error_handler;

    /* All done */
    return MPI_SUCCESS;
}