Exemplo n.º 1
0
int PMPI_Finalize (void) {
  int i;  
  _MPI_FINALIZED_FLAG = _MPI_TRUE; 
  
  if ( (_MPI_INIT_STATUS)!=(_MPI_STARTED) ) {
    _MPI_ERR_ROUTINE(MPI_ERR_IN_STATUS, "MPI_FINALIZE: MPI has not been initialized.");    
    MPI_Abort (MPI_COMM_NULL, MPI_ERR_IN_STATUS);
    return _MPI_NOT_OK; 
  } else {
    _MPI_INIT_STATUS = _MPI_ENDED; 
    for (i = 1; i < _MPI_PREALLOCATION_SIZE; i++) {
      _MPI_Comm_Invalid(i);
      _MPI_Data_Invalid(i);
      _MPI_Type_Invalid(i);
    }
    free(_MPI_COMM_LIST); _MPI_COMM_LIST = 0;
    free(_MPI_DATA_BUFF);_MPI_DATA_BUFF = 0;
    free(_MPI_TYPE_LIST);_MPI_TYPE_LIST = 0;
    free(_MPI_OP_LIST);_MPI_OP_LIST = 0;
    for(i=0;i<_MPI_REQ_ARRAY_SIZE;++i) {
      free(_MPI_REQ_LIST_OF_LISTS[i]);
      _MPI_REQ_LIST_OF_LISTS[i] = 0;
    }
    free(_MPI_REQ_LIST_OF_LISTS);_MPI_REQ_LIST_OF_LISTS = 0;
    free(_MPI_REQNULL);_MPI_REQNULL = 0;
    return MPI_SUCCESS;
  } 
}
Exemplo n.º 2
0
int PMPI_Init ( int *argc, char **argv[])
{
  int i;
  int retval = MPI_ERR_IN_STATUS;
 _MPI_COVERAGE();
  _MPI_INITIALIZED_FLAG = _MPI_TRUE;
  
  /* -------------------------------------*/ 
  /*  Check for the current status of MPI */
  if ( (_MPI_INIT_STATUS == _MPI_ENDED) || (_MPI_INIT_STATUS == _MPI_STARTED) ) 
  {   
    if (_MPI_INIT_STATUS == _MPI_ENDED)
    {
     _MPI_COVERAGE();
      _MPI_ERR_ROUTINE(MPI_ERR_IN_STATUS, "MPI was already finalized");
    } else {
     _MPI_COVERAGE();
      _MPI_ERR_ROUTINE(MPI_ERR_IN_STATUS, "MPI was already initialized");	
    }
    MPI_ERRORS_ARE_FATAL((MPI_Comm)NULL, &retval);
    return MPI_ERR_OTHER;
  } 
       /* -------------------------------------------------------------- */ 
  else /* If the status is fine, initialize the internal data structures */
  {
   _MPI_COVERAGE();

    /* --------------------------- */ 
    /* Create the MPI_REQUEST_NULL */
    /* _MPI_REQNULL = (MPI_Request *)_MPI_safeMalloc(sizeof(MPI_Request),"Error with malloc for MPI_REQUEST_NULL");
     * _MPI_REQNULL = MPI_REQUEST_NULL; 
     * MPI_REQUEST_NULL = _MPI_REQNULL;
     */
  
    #ifndef PREALLOCATION_SIZE
    #define PREALLOCATION_SIZE 10
    #endif
    
    _MPI_INIT_STATUS = _MPI_STARTED; 

    /* ---------- */ 
    /* Allocation */
    _MPI_COMM_ARRAY_SIZE = PREALLOCATION_SIZE;
    _MPI_DATA_ARRAY_SIZE = PREALLOCATION_SIZE;
    _MPI_TYPE_ARRAY_SIZE = PREALLOCATION_SIZE;
    _MPI_OP_ARRAY_SIZE = PREALLOCATION_SIZE;
    _MPI_REQ_ARRAY_SIZE = PREALLOCATION_SIZE;


    _MPI_COMM_LIST = (_MPI_COMM_IMPL *) _MPI_safeMalloc (_MPI_COMM_ARRAY_SIZE*sizeof(_MPI_COMM_IMPL), "Error with malloc of COMM_LIST");
    _MPI_DATA_BUFF = (_MPI_DATA_ENTRY *) _MPI_safeMalloc (_MPI_DATA_ARRAY_SIZE*sizeof(_MPI_DATA_ENTRY), "Error with malloc of DATA_BUFF");
    _MPI_TYPE_LIST = (_MPI_TYPE_DES *) _MPI_safeMalloc (_MPI_TYPE_ARRAY_SIZE*sizeof(_MPI_TYPE_DES), "Error with malloc of TYPE_LIST");
    _MPI_OP_LIST = (_MPI_OP_TYPE *) _MPI_safeMalloc (_MPI_OP_ARRAY_SIZE*sizeof(_MPI_OP_TYPE), "Error with malloc of OP_LIST");
    _MPI_REQ_LIST = (_MPI_REQUEST_OBJECT *) _MPI_safeMalloc (_MPI_OP_ARRAY_SIZE*sizeof(_MPI_REQUEST_OBJECT), "Error with malloc of REQ_LIST");

    /* ----------------------------------------------- */
    /* Communicators are not set up                    */
    /* ----------------------------------------------- */
    for (i=1; i<_MPI_COMM_ARRAY_SIZE; i++) {
      _MPI_COMM_LIST[i].valid = _MPI_NOT_VALID;
    }
    for (i=1; i<_MPI_DATA_ARRAY_SIZE; i++) {
      _MPI_DATA_BUFF[i].valid = _MPI_NOT_VALID;
    }
    for (i=1; i<_MPI_OP_ARRAY_SIZE; i++) {
      _MPI_OP_LIST[i].valid = _MPI_NOT_VALID;
    }
    for (i=1; i<_MPI_TYPE_ARRAY_SIZE; i++) {
      _MPI_TYPE_LIST[i].id = _MPI_NOT_VALID;
      _MPI_TYPE_LIST[i].info = 0;
      _MPI_TYPE_LIST[i].next = 0;
    }

    _MPI_COMM_COUNT = 0;
    _MPI_DATA_BUFF_COUNT = 0;
    _MPI_TYPE_COUNT = 0;
    _MPI_OP_COUNT = 0;
    _MPI_REQ_COUNT = 0;
    
    /* ------------------------- */
    /* Set entries all to "null" */ 
    for (i=0; i<PREALLOCATION_SIZE; i++)
    {
     _MPI_COVERAGE();
      _MPI_Data_Invalid(i);
      _MPI_Comm_Invalid(i);
      _MPI_Type_Invalid(i);
      _MPI_Req_Invalid(i);
    }                                                           /* --------------------------------------------------- */
    _MPI_Comm_Insert0(0, MPI_COMM_WORLD, MPI_ERRORS_ARE_FATAL); /* This inserts MPI_COMM_WORLD as the 1st communicator */
    return MPI_SUCCESS;
  } 

}