ParallelIO

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// In some MPI implementations MPI_OFFSET is not properly defined.  

#ifndef MPI_OFFSET

#define MPI_OFFSET  MPI_LONG_LONG

#endif

​

#define PIO_OFFSET MPI_OFFSET

#define PIO_Offset MPI_Offset

#define PIO_MAX_VARS NC_MAX_VARS

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/**

 * @brief Variable description structure

 *

 * The variable record is the index into the unlimited dimension in the netcdf file

 *  typically this is the time dimension.

 *  ndims is the number of dimensions on the file for this variable 

 *  request is the id of each outstanding pnetcdf request for this variable

 *  nreqs is the number of outstanding pnetcdf requests for this variable 

 *  fillbuf is a memory buffer to hold fill values for this variable (write only)

 *  iobuf is a memory buffer to hold (write only)

*/

typedef struct var_desc_t

{

  int record; 

  int ndims;

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  int nreqs;

  void *fillbuf;

  void *iobuf;

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} var_desc_t;

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/**

 * @brief io region structure

 *

 * Each IO region is a unit of data which can be described using start and count

 * 

*/

typedef struct file_desc_t

{

  iosystem_desc_t *iosystem;

  PIO_Offset buffsize;

  int fh;

  int iotype;

  struct var_desc_t varlist[PIO_MAX_VARS];

  int mode;

  struct wmulti_buffer buffer;

  struct file_desc_t *next;

} file_desc_t;

​

/**

 * @brief These are the supported output formats

 *

*/

​