io.h

MPI stands for the Message Passing Interface. Written by the MPI Forum (a large committee comprising

     struct ompi_datatype_t *filetype, char *datarep, 
     struct ompi_info_t *info);
typedef int (*mca_io_base_module_file_get_view_fn_t)
    (struct ompi_file_t *fh, MPI_Offset *disp, 
     struct ompi_datatype_t **etype, struct ompi_datatype_t **filetype,
     char *datarep);

typedef int (*mca_io_base_module_file_read_at_fn_t)
    (struct ompi_file_t *fh, MPI_Offset offset, void *buf,
     int count, struct ompi_datatype_t *datatype, 
     struct ompi_status_public_t *status);
typedef int (*mca_io_base_module_file_read_at_all_fn_t)
    (struct ompi_file_t *fh, MPI_Offset offset, void *buf,
     int count, struct ompi_datatype_t *datatype, 
     struct ompi_status_public_t *status);
typedef int (*mca_io_base_module_file_write_at_fn_t)
    (struct ompi_file_t *fh, MPI_Offset offset, void *buf,
     int count, struct ompi_datatype_t *datatype, 
     struct ompi_status_public_t *status);
typedef int (*mca_io_base_module_file_write_at_all_fn_t)
    (struct ompi_file_t *fh, MPI_Offset offset, void *buf,
     int count, struct ompi_datatype_t *datatype, 
     struct ompi_status_public_t *status);

typedef int (*mca_io_base_module_file_iread_at_fn_t)
    (struct ompi_file_t *fh, MPI_Offset offset, void *buf,
     int count, struct ompi_datatype_t *datatype, 
     struct mca_io_base_request_t *request);
typedef int (*mca_io_base_module_file_iwrite_at_fn_t)
    (struct ompi_file_t *fh, MPI_Offset offset, void *buf,
     int count, struct ompi_datatype_t *datatype, 
     struct mca_io_base_request_t *request);

typedef int (*mca_io_base_module_file_read_fn_t)
    (struct ompi_file_t *fh, void *buf, int count, struct ompi_datatype_t *
     datatype, struct ompi_status_public_t *status); 
typedef int (*mca_io_base_module_file_read_all_fn_t)
    (struct ompi_file_t *fh, void *buf, int count, struct ompi_datatype_t *
     datatype, struct ompi_status_public_t *status); 
typedef int (*mca_io_base_module_file_write_fn_t)
    (struct ompi_file_t *fh, void *buf, int count, struct ompi_datatype_t *
     datatype, struct ompi_status_public_t *status);
typedef int (*mca_io_base_module_file_write_all_fn_t)
    (struct ompi_file_t *fh, void *buf, int count, struct ompi_datatype_t *
     datatype, struct ompi_status_public_t *status);

typedef int (*mca_io_base_module_file_iread_fn_t)
    (struct ompi_file_t *fh, void *buf, int count, struct ompi_datatype_t *
     datatype, struct mca_io_base_request_t *request); 
typedef int (*mca_io_base_module_file_iwrite_fn_t)
    (struct ompi_file_t *fh, void *buf, int count, 
     struct ompi_datatype_t *datatype, struct mca_io_base_request_t *request);

typedef int (*mca_io_base_module_file_seek_fn_t)
    (struct ompi_file_t *fh, MPI_Offset offset, int whence);
typedef int (*mca_io_base_module_file_get_position_fn_t)
    (struct ompi_file_t *fh, MPI_Offset *offset);
typedef int (*mca_io_base_module_file_get_byte_offset_fn_t)
    (struct ompi_file_t *fh, MPI_Offset offset, MPI_Offset *disp);

typedef int (*mca_io_base_module_file_read_shared_fn_t)
    (struct ompi_file_t *fh, void *buf, int count, 
     struct ompi_datatype_t *datatype, struct ompi_status_public_t *status);
typedef int (*mca_io_base_module_file_write_shared_fn_t)
    (struct ompi_file_t *fh, void *buf, int count, 
     struct ompi_datatype_t *datatype, struct ompi_status_public_t *status);
typedef int (*mca_io_base_module_file_iread_shared_fn_t)
    (struct ompi_file_t *fh, void *buf, int count, 
     struct ompi_datatype_t *datatype, struct mca_io_base_request_t *request);
typedef int (*mca_io_base_module_file_iwrite_shared_fn_t)
    (struct ompi_file_t *fh, void *buf, int count, 
     struct ompi_datatype_t *datatype, struct mca_io_base_request_t *request);
typedef int (*mca_io_base_module_file_read_ordered_fn_t)
    (struct ompi_file_t *fh, void *buf, int count, 
     struct ompi_datatype_t *datatype, struct ompi_status_public_t *status);
typedef int (*mca_io_base_module_file_write_ordered_fn_t)
    (struct ompi_file_t *fh, void *buf, int count, 
     struct ompi_datatype_t *datatype, struct ompi_status_public_t *status);
typedef int (*mca_io_base_module_file_seek_shared_fn_t)
    (struct ompi_file_t *fh, MPI_Offset offset, int whence);
typedef int (*mca_io_base_module_file_get_position_shared_fn_t)
    (struct ompi_file_t *fh, MPI_Offset *offset);

typedef int (*mca_io_base_module_file_read_at_all_begin_fn_t)
    (struct ompi_file_t *fh, MPI_Offset offset, void *buf,
     int count, struct ompi_datatype_t *datatype);
typedef int (*mca_io_base_module_file_read_at_all_end_fn_t)
    (struct ompi_file_t *fh, void *buf, struct ompi_status_public_t *status);
typedef int (*mca_io_base_module_file_write_at_all_begin_fn_t)
    (struct ompi_file_t *fh, MPI_Offset offset, void *buf,
     int count, struct ompi_datatype_t *datatype);
typedef int (*mca_io_base_module_file_write_at_all_end_fn_t)
    (struct ompi_file_t *fh, void *buf, struct ompi_status_public_t *status);
typedef int (*mca_io_base_module_file_read_all_begin_fn_t)
    (struct ompi_file_t *fh, void *buf, int count, 
     struct ompi_datatype_t *datatype);
typedef int (*mca_io_base_module_file_read_all_end_fn_t)
    (struct ompi_file_t *fh, void *buf, struct ompi_status_public_t *status);
typedef int (*mca_io_base_module_file_write_all_begin_fn_t)
    (struct ompi_file_t *fh, void *buf, int count, 
     struct ompi_datatype_t *datatype);
typedef int (*mca_io_base_module_file_write_all_end_fn_t)
    (struct ompi_file_t *fh, void *buf, struct ompi_status_public_t *status);
typedef int (*mca_io_base_module_file_read_ordered_begin_fn_t)
    (struct ompi_file_t *fh, void *buf, int count, 
     struct ompi_datatype_t *datatype);
typedef int (*mca_io_base_module_file_read_ordered_end_fn_t)
    (struct ompi_file_t *fh, void *buf, struct ompi_status_public_t *status);
typedef int (*mca_io_base_module_file_write_ordered_begin_fn_t)
    (struct ompi_file_t *fh, void *buf, int count, 
     struct ompi_datatype_t *datatype);
typedef int (*mca_io_base_module_file_write_ordered_end_fn_t)
    (struct ompi_file_t *fh, void *buf, struct ompi_status_public_t *status);

typedef int (*mca_io_base_module_file_get_type_extent_fn_t)
    (struct ompi_file_t *fh, struct ompi_datatype_t *datatype, 
     MPI_Aint *extent);

typedef int (*mca_io_base_module_file_set_atomicity_fn_t)
    (struct ompi_file_t *fh, int flag);
typedef int (*mca_io_base_module_file_get_atomicity_fn_t)
    (struct ompi_file_t *fh, int *flag);
typedef int (*mca_io_base_module_file_sync_fn_t)(struct ompi_file_t *fh);

struct mca_io_base_module_1_0_0_t {

    /** Once-per-process request initializtion function */

    mca_io_base_module_request_once_init_fn_t io_module_request_once_init;

    /** Once-per-process request finalization function */

    mca_io_base_module_request_once_finalize_fn_t io_module_request_once_finalize;

    /** Free a request (per usage) */

    ompi_request_free_fn_t io_module_request_free;

    /** Cancel a request (per usage) */

    ompi_request_cancel_fn_t io_module_request_cancel;

    /* Back-ends to MPI API calls (pretty much a 1-to-1 mapping) */

    mca_io_base_module_file_open_fn_t        io_module_file_open;
    mca_io_base_module_file_close_fn_t       io_module_file_close;
  
    mca_io_base_module_file_set_size_fn_t    io_module_file_set_size;
    mca_io_base_module_file_preallocate_fn_t io_module_file_preallocate;
    mca_io_base_module_file_get_size_fn_t    io_module_file_get_size;
    mca_io_base_module_file_get_amode_fn_t   io_module_file_get_amode; 
    mca_io_base_module_file_set_info_fn_t    io_module_file_set_info;
    mca_io_base_module_file_get_info_fn_t    io_module_file_get_info;
    
    mca_io_base_module_file_set_view_fn_t    io_module_file_set_view;
    mca_io_base_module_file_get_view_fn_t    io_module_file_get_view;

    mca_io_base_module_file_read_at_fn_t     io_module_file_read_at;
    mca_io_base_module_file_read_at_all_fn_t io_module_file_read_at_all;
    mca_io_base_module_file_write_at_fn_t    io_module_file_write_at;
    mca_io_base_module_file_write_at_all_fn_t  io_module_file_write_at_all;
    
    mca_io_base_module_file_iread_at_fn_t    io_module_file_iread_at;
    mca_io_base_module_file_iwrite_at_fn_t   io_module_file_iwrite_at;
    
    mca_io_base_module_file_read_fn_t        io_module_file_read;
    mca_io_base_module_file_read_all_fn_t    io_module_file_read_all;
    mca_io_base_module_file_write_fn_t       io_module_file_write;
    mca_io_base_module_file_write_all_fn_t   io_module_file_write_all;
    
    mca_io_base_module_file_iread_fn_t       io_module_file_iread;
    mca_io_base_module_file_iwrite_fn_t      io_module_file_iwrite;
    
    mca_io_base_module_file_seek_fn_t        io_module_file_seek;
    mca_io_base_module_file_get_position_fn_t io_module_file_get_position;
    mca_io_base_module_file_get_byte_offset_fn_t io_module_file_get_byte_offset;
    
    mca_io_base_module_file_read_shared_fn_t   io_module_file_read_shared;
    mca_io_base_module_file_write_shared_fn_t  io_module_file_write_shared;
    mca_io_base_module_file_iread_shared_fn_t  io_module_file_iread_shared;
    mca_io_base_module_file_iwrite_shared_fn_t io_module_file_iwrite_shared;
    mca_io_base_module_file_read_ordered_fn_t  io_module_file_read_ordered;
    mca_io_base_module_file_write_ordered_fn_t io_module_file_write_ordered;
    mca_io_base_module_file_seek_shared_fn_t   io_module_file_seek_shared;
    mca_io_base_module_file_get_position_shared_fn_t  io_module_file_get_position_shared;
    
    mca_io_base_module_file_read_at_all_begin_fn_t    io_module_file_read_at_all_begin;
    mca_io_base_module_file_read_at_all_end_fn_t      io_module_file_read_at_all_end;
    mca_io_base_module_file_write_at_all_begin_fn_t   io_module_file_write_at_all_begin;
    mca_io_base_module_file_write_at_all_end_fn_t     io_module_file_write_at_all_end;
    mca_io_base_module_file_read_all_begin_fn_t       io_module_file_read_all_begin;
    mca_io_base_module_file_read_all_end_fn_t         io_module_file_read_all_end;
    mca_io_base_module_file_write_all_begin_fn_t      io_module_file_write_all_begin;
    mca_io_base_module_file_write_all_end_fn_t        io_module_file_write_all_end;
    mca_io_base_module_file_read_ordered_begin_fn_t   io_module_file_read_ordered_begin;
    mca_io_base_module_file_read_ordered_end_fn_t     io_module_file_read_ordered_end;
    mca_io_base_module_file_write_ordered_begin_fn_t  io_module_file_write_ordered_begin;
    mca_io_base_module_file_write_ordered_end_fn_t    io_module_file_write_ordered_end;
    
    mca_io_base_module_file_get_type_extent_fn_t      io_module_file_get_type_extent;
    
    mca_io_base_module_file_set_atomicity_fn_t        io_module_file_set_atomicity;
    mca_io_base_module_file_get_atomicity_fn_t        io_module_file_get_atomicity;
    mca_io_base_module_file_sync_fn_t                 io_module_file_sync;
};
typedef struct mca_io_base_module_1_0_0_t mca_io_base_module_1_0_0_t;


/*
 * All module versions
 */
union mca_io_base_modules_t {
    mca_io_base_module_1_0_0_t v1_0_0;
};
typedef union mca_io_base_modules_t mca_io_base_modules_t;

#endif /* MCA_IO_H */