netcdf-c/include/netcdf_par.h
2010-06-07 11:25:58 +00:00

42 lines
1.1 KiB
C

/*
* 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.
*
*/
/* "$Id: netcdf_par.h,v 1.1 2010/06/01 15:46:49 ed Exp $" */
#ifndef NETCDF_PAR_H
#define NETCDF_PAR_H 1
#include <mpi.h>
/* Use these with nc_var_par_access(). */
#define NC_INDEPENDENT 0
#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);
#endif /* NETCDF_PAR_H */