/* TODO: still needs to handle partial datatypes and situations where the mpi
* implementation fills status with something other than bytes (globus2 might
* do this) */
int MPIR_Status_set_bytes(MPI_Status *status, MPI_Datatype datatype,
MPI_Count nbytes)
{
MPL_UNREFERENCED_ARG(datatype);
/* it's ok that ROMIO stores number-of-bytes in status, not
* count-of-copies, as long as MPI_GET_COUNT knows what to do */
if (status != MPI_STATUS_IGNORE)
MPI_Status_set_elements_x(status, MPI_BYTE, nbytes);
return MPI_SUCCESS;
}
int ADIOI_GEN_aio_query_fn(void *extra_state, MPI_Status *status)
{
ADIOI_AIO_Request *aio_req;
aio_req = (ADIOI_AIO_Request *)extra_state;
MPI_Status_set_elements_x(status, MPI_BYTE, aio_req->nbytes);
/* can never cancel so always true */
MPI_Status_set_cancelled(status, 0);
/* choose not to return a value for this */
status->MPI_SOURCE = MPI_UNDEFINED;
/* tag has no meaning for this generalized request */
status->MPI_TAG = MPI_UNDEFINED;
/* this generalized request never fails */
return MPI_SUCCESS;
}
void ompi_status_set_elements_x_f(MPI_Fint *status, MPI_Fint *datatype,
MPI_Count *count, MPI_Fint *ierr)
{
int c_ierr;
MPI_Datatype c_type = MPI_Type_f2c(*datatype);
MPI_Status c_status;
/* This seems silly, but someone will do it */
if (OMPI_IS_FORTRAN_STATUS_IGNORE(status)) {
c_ierr = MPI_SUCCESS;
} else {
MPI_Status_f2c( status, &c_status );
c_ierr = MPI_Status_set_elements_x(&c_status, c_type, *count);
/* If datatype is really being set, then that needs to be
converted.... */
if (MPI_SUCCESS == c_ierr) {
MPI_Status_c2f(&c_status, status);
}
}
if (NULL != ierr) *ierr = OMPI_INT_2_FINT(c_ierr);
}
int test_count(MPI_Count count)
{
MPI_Status stat;
int cancelled, cancelled2;
MPI_Count bcount, bcount2;
int nerrs = 0;
bcount = count;
cancelled = 0;
MPI_Status_set_cancelled(&stat, cancelled);
MPI_Status_set_elements_x(&stat, MPI_BYTE, bcount);
MPI_Get_elements_x(&stat, MPI_BYTE, &bcount2);
MPI_Test_cancelled(&stat, &cancelled2);
if (bcount != bcount2) {
fprintf(stderr, "Count Error: expected %llx, got %llx\n",
(long long int)bcount, (long long int)bcount2);
nerrs++;
}
if (cancelled != cancelled2) {
fprintf(stderr, "Cancelled Error: expected %d, got %d\n", cancelled, cancelled2);
nerrs++;
}
return nerrs;
}
