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6cd8fca60d
unlimited dimension hanging. Extending the size of an unlimited dimension in HDF5 must be a collective operation, so now an error is returned if trying to extend in independent access mode. Quincey's bug fixes for parallel build portability, particularly OpenMPI on MacOS-X.
50 lines
1.1 KiB
C
50 lines
1.1 KiB
C
/*
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* Copyright 2010 University Corporation for Atmospheric
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* Research/Unidata. See COPYRIGHT file for more info.
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*
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* This header file is for the parallel I/O functions of netCDF.
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*
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*/
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/* "$Id: netcdf_par.h,v 1.1 2010/06/01 15:46:49 ed Exp $" */
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#ifndef NETCDF_PAR_H
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#define NETCDF_PAR_H 1
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#include <mpi.h>
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#if defined(__cplusplus)
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extern "C" {
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#endif
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/* Use these with nc_var_par_access(). */
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#define NC_INDEPENDENT 0
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#define NC_COLLECTIVE 1
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/* Create a file and enable parallel I/O. */
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extern int
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nc_create_par(const char *path, int cmode, MPI_Comm comm, MPI_Info info,
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int *ncidp);
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/* Open a file and enable parallel I/O. */
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extern int
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nc_open_par(const char *path, int mode, MPI_Comm comm, MPI_Info info,
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int *ncidp);
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/* Change a variable from independent (the default) to collective
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* access. */
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extern int
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nc_var_par_access(int ncid, int varid, int par_access);
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extern int
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nc_create_par_fortran(const char *path, int cmode, int comm,
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int info, int *ncidp);
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extern int
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nc_open_par_fortran(const char *path, int mode, int comm,
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int info, int *ncidp);
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#if defined(__cplusplus)
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}
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#endif
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#endif /* NETCDF_PAR_H */
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