core/sql/bin/mpisetup.cpp

/**********************************************************************
// @@@ START COPYRIGHT @@@
//
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.
//
// @@@ END COPYRIGHT @@@
**********************************************************************/

#include <assert.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "Platform.h"
#include "seabed/ms.h"
#include "seabed/fs.h"

#define FALSE 0

void
my_mpi_close()
{
  static short bMpiCloseCalled = 0;

  if (bMpiCloseCalled == 1) {
    return;
  }
  bMpiCloseCalled = 1;
#ifdef MPI_
  msg_mon_process_shutdown();
#endif
}

void
my_mpi_fclose()
{
static Int32 sv_called_count = 0;
static Int32 sv_retcode = -999;
#ifdef MPI_
  if ( ++sv_called_count > 2000000000 )  //Don't allow it to overflow to zero, but
         sv_called_count = 2000000000 ;  //keep the fact that it is very large.
  if (sv_called_count == 1)
    sv_retcode = file_mon_process_shutdown();
#endif
}

short my_mpi_setup (Int32* argc, char** argv[] )
{
  static short bMpiSetupCalled = 0;
  short retcode = 0;

  if (bMpiSetupCalled == 1) {
    return 0;
  }

  bMpiSetupCalled = 1;
#ifdef MPI_
  file_init_attach(argc,argv,1,(char *)"");
  retcode = file_mon_process_startup(1); /* server? */      /* ADD */
#endif

  if (retcode == 0) {
    msg_debug_hook("NGG", "ngg.hook");
    atexit(my_mpi_fclose);
  }

  return retcode;
}