43 строки
1.1 KiB
C
43 строки
1.1 KiB
C
/*
|
|
* $HEADERS$
|
|
*/
|
|
#include "ompi_config.h"
|
|
#include <stdio.h>
|
|
|
|
#include "mpi.h"
|
|
#include "mpi/c/bindings.h"
|
|
#include "runtime/runtime.h"
|
|
#include "communicator/communicator.h"
|
|
|
|
#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
|
|
#pragma weak MPI_Comm_disconnect = PMPI_Comm_disconnect
|
|
#endif
|
|
|
|
#if OMPI_PROFILING_DEFINES
|
|
#include "mpi/c/profile/defines.h"
|
|
#endif
|
|
|
|
int MPI_Comm_disconnect(MPI_Comm *comm)
|
|
{
|
|
|
|
if ( MPI_PARAM_CHECK ) {
|
|
OMPI_ERR_INIT_FINALIZE;
|
|
|
|
if ( MPI_COMM_NULL == *comm || ompi_comm_invalid (*comm))
|
|
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM,
|
|
"MPI_Comm_disconnect");
|
|
}
|
|
|
|
/* disconnect means, just decrease the refcount, without calling
|
|
attribute delete fnct. etc. (to be verified.).
|
|
|
|
Question: do we need a flag verifying which communicators
|
|
we are allowed to disconnect from ? E.g. what happens,
|
|
if we disconnect from an MPI-1 communicator derived
|
|
from MPI_COMM_WORLD ? */
|
|
OBJ_RETAIN(*comm);
|
|
|
|
*comm = MPI_COMM_NULL;
|
|
return MPI_SUCCESS;
|
|
}
|