mpid_comm_disconnect.c

mpi并行计算的c++代码 可用vc或gcc编译通过 可以用来搭建并行计算试验环境

/* -*- Mode: C; c-basic-offset:4 ; -*- */
/*
 *
 *  (C) 2001 by Argonne National Laboratory.
 *      See COPYRIGHT in top-level directory.
 */

#include "mpidimpl.h"

/*@
   MPID_Comm_disconnect - Disconnect a communicator 

   Arguments:
.  comm_ptr - communicator

   Notes:

.N Errors
.N MPI_SUCCESS
@*/
#undef FUNCNAME
#define FUNCNAME MPID_Comm_disconnect
#undef FCNAME
#define FCNAME MPIDI_QUOTE(FUNCNAME)
int MPID_Comm_disconnect(MPID_Comm *comm_ptr)
{
    int mpi_errno;
    MPIDI_STATE_DECL(MPID_STATE_MPID_COMM_DISCONNECT);

    MPIDI_FUNC_ENTER(MPID_STATE_MPID_COMM_DISCONNECT);

    /* it's more than a comm_release, but ok for now */
    /* FIXME: Describe what more might be required */
    mpi_errno = MPIR_Comm_release(comm_ptr);

    MPIDI_FUNC_EXIT(MPID_STATE_MPID_COMM_DISCONNECT);
    return mpi_errno;
}