/usr/include/mpidummy.h is in libadios-dev 1.3-11.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* ADIOS is freely available under the terms of the BSD license described
* in the COPYING file in the top level directory of this source distribution.
*
* Copyright (c) 2008 - 2009. UT-BATTELLE, LLC. All rights reserved.
*/
#ifndef __MPI_DUMMY_H__
#define __MPI_DUMMY_H__
/*
A dummy MPI 'implementation' for the BP READ API, to have an MPI-free version of the API
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdint.h>
#include <stdio.h>
typedef int MPI_Comm;
typedef uint64_t MPI_Status;
typedef int MPI_File;
typedef int MPI_Info;
typedef int MPI_Datatype; /* Store the byte size of a type in such vars */
typedef uint64_t MPI_Offset;
typedef int MPI_Fint;
#define MPI_SUCCESS 0
#define MPI_MAX_ERROR_STRING 512
#define MPI_MODE_RDONLY O_RDONLY
#define MPI_SEEK_SET SEEK_SET
#define MPI_SEEK_CUR SEEK_CUR
#define MPI_SEEK_END SEEK_END
#define MPI_BYTE 1 /* I need the size of the type here */
#define MPI_INFO_NULL NULL
#define MPI_COMM_NULL 0
#define MPI_COMM_WORLD 1
#define MPI_COMM_SELF 2
#define MPI_INT 1
#define MPI_ANY_SOURCE 0
#define MPI_ANY_TAG 0
int MPI_Init(int *argc, char ***argv);
int MPI_Finalize();
int MPI_Barrier(MPI_Comm comm);
int MPI_Bcast(void *buffer, int count, MPI_Datatype datatype, int root, MPI_Comm comm);
int MPI_Comm_dup(MPI_Comm comm, MPI_Comm *newcomm);
int MPI_Comm_rank(MPI_Comm comm, int *rank);
int MPI_Comm_size(MPI_Comm comm, int *size);
MPI_Comm MPI_Comm_f2c(MPI_Fint comm);
int MPI_File_open(MPI_Comm comm, char *filename, int amode, MPI_Info info, MPI_File *fh);
int MPI_File_close(MPI_File *fh);
int MPI_File_get_size(MPI_File fh, MPI_Offset *size);
int MPI_File_read(MPI_File fh, void *buf, int count, MPI_Datatype datatype, MPI_Status *status);
int MPI_File_seek(MPI_File fh, MPI_Offset offset, int whence);
int MPI_Get_count(MPI_Status *status, MPI_Datatype datatype, int *count);
int MPI_Error_string(int errorcode, char *string, int *resultlen);
int MPI_Comm_split ( MPI_Comm comm, int color, int key, MPI_Comm *comm_out );
#endif
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