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/*! \file
*
* Main header file for the Parallel C API.
*
* Copyright 2010 University Corporation for Atmospheric
* Research/Unidata. See COPYRIGHT file for more info.
*
* This header file is for the parallel I/O functions of netCDF.
*
* \author Ed Hartnett
*/
#ifndef NETCDF_PAR_H
#define NETCDF_PAR_H 1
#include <mpi.h>
#if defined(__cplusplus)
extern "C" {
#endif
/** Use with nc_var_par_access() to set parallel access to independent. */
#define NC_INDEPENDENT 0
/** Use with nc_var_par_access() to set parallel access to collective. */
#define NC_COLLECTIVE 1
/* Create a file and enable parallel I/O. */
extern int
nc_create_par(const char *path, int cmode, MPI_Comm comm, MPI_Info info,
int *ncidp);
/* Open a file and enable parallel I/O. */
extern int
nc_open_par(const char *path, int mode, MPI_Comm comm, MPI_Info info,
int *ncidp);
/* Change a variable from independent (the default) to collective
* access. */
extern int
nc_var_par_access(int ncid, int varid, int par_access);
extern int
nc_create_par_fortran(const char *path, int cmode, int comm,
int info, int *ncidp);
extern int
nc_open_par_fortran(const char *path, int mode, int comm,
int info, int *ncidp);
#if defined(__cplusplus)
}
#endif
#endif /* NETCDF_PAR_H */
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