Source
if(MPI_SUCCESS != (mpi_code=MPI_Send(&msgbuf, 0/*empty msg*/, MPI_CHAR, file->mpi_rank + 1, 0, file->comm)))
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Programmer: Quincey Koziol <koziol@ncsa.uiuc.edu>
* Friday, January 30, 2004
*
* Purpose: Common routines for all MPI-based VFL drivers.
*
*/
•
/*-------------------------------------------------------------------------
* Function: H5FD_mpi_get_rank
*
* Purpose: Retrieves the rank of an MPI process.
*
* Return: Success: The rank (non-negative)
*
* Failure: Negative
*
* Programmer: Quincey Koziol
* Friday, January 30, 2004
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
int
H5FD_mpi_get_rank(const H5FD_t *file)
{