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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* This file contains public declarations for the H5F module.
*/
#ifndef H5Fpublic_H
#define H5Fpublic_H
/* Public header files needed by this file */
#include "H5public.h"
#include "H5ACpublic.h"
#include "H5Ipublic.h"
/* When this header is included from a private header, don't make calls to H5check() */
#undef H5CHECK
#ifndef H5private_H
#define H5CHECK H5check(),
#else /* H5private_H */
#define H5CHECK
#endif /* H5private_H */
/*
* These are the bits that can be passed to the `flags' argument of
* H5Fcreate() and H5Fopen(). Use the bit-wise OR operator (|) to combine
* them as needed. As a side effect, they call H5check_version() to make sure
* that the application is compiled with a version of the hdf5 header files
* which are compatible with the library to which the application is linked.
* We're assuming that these constants are used rather early in the hdf5
* session.
*
* H5F_ACC_DEBUG no longer has any prints any special debug info. The symbol is
* being retained and will be listed as deprecated in HDF5 1.10.0.
*/
#define H5F_ACC_RDONLY (H5CHECK 0x0000u) /*absence of rdwr => rd-only */
#define H5F_ACC_RDWR (H5CHECK 0x0001u) /*open for read and write */
#define H5F_ACC_TRUNC (H5CHECK 0x0002u) /*overwrite existing files */
#define H5F_ACC_EXCL (H5CHECK 0x0004u) /*fail if file already exists */
#define H5F_ACC_DEBUG (H5CHECK 0x0000u) /*print debug info (no longer used) */
#define H5F_ACC_CREAT (H5CHECK 0x0010u) /*create non-existing files */
/* Value passed to H5Pset_elink_acc_flags to cause flags to be taken from the
* parent file. */
#define H5F_ACC_DEFAULT (H5CHECK 0xffffu) /*ignore setting on lapl */
/* Flags for H5Fget_obj_count() & H5Fget_obj_ids() calls */
#define H5F_OBJ_FILE (0x0001u) /* File objects */
#define H5F_OBJ_DATASET (0x0002u) /* Dataset objects */
#define H5F_OBJ_GROUP (0x0004u) /* Group objects */
#define H5F_OBJ_DATATYPE (0x0008u) /* Named datatype objects */
#define H5F_OBJ_ATTR (0x0010u) /* Attribute objects */
#define H5F_OBJ_ALL (H5F_OBJ_FILE | H5F_OBJ_DATASET | H5F_OBJ_GROUP | H5F_OBJ_DATATYPE | H5F_OBJ_ATTR)
#define H5F_OBJ_LOCAL (0x0020u) /* Restrict search to objects opened through current file ID */
/* (as opposed to objects opened through any file ID accessing this file) */
#define H5F_FAMILY_DEFAULT (hsize_t)0
#ifdef H5_HAVE_PARALLEL
/*
* Use this constant string as the MPI_Info key to set H5Fmpio debug flags.
* To turn on H5Fmpio debug flags, set the MPI_Info value with this key to
* have the value of a string consisting of the characters that turn on the
* desired flags.
*/
#define H5F_MPIO_DEBUG_KEY "H5F_mpio_debug_key"
#endif /* H5_HAVE_PARALLEL */
/* The difference between a single file and a set of mounted files */
typedef enum H5F_scope_t {
H5F_SCOPE_LOCAL = 0, /*specified file handle only */
H5F_SCOPE_GLOBAL = 1 /*entire virtual file */
} H5F_scope_t;
/* Unlimited file size for H5Pset_external() */
#define H5F_UNLIMITED ((hsize_t)(-1L))
/* How does file close behave?
* H5F_CLOSE_DEFAULT - Use the degree pre-defined by underlining VFL
* H5F_CLOSE_WEAK - file closes only after all opened objects are closed
* H5F_CLOSE_SEMI - if no opened objects, file is close; otherwise, file
close fails
* H5F_CLOSE_STRONG - if there are opened objects, close them first, then
close file
*/
typedef enum H5F_close_degree_t {
H5F_CLOSE_DEFAULT = 0,
H5F_CLOSE_WEAK = 1,
H5F_CLOSE_SEMI = 2,
H5F_CLOSE_STRONG = 3
} H5F_close_degree_t;
/* Current "global" information about file */
/* (just size info currently) */
typedef struct H5F_info_t {
hsize_t super_ext_size; /* Superblock extension size */
struct {
hsize_t hdr_size; /* Shared object header message header size */
H5_ih_info_t msgs_info; /* Shared object header message index & heap size */
} sohm;
} H5F_info_t;
/*
* Types of allocation requests. The values larger than H5FD_MEM_DEFAULT
* should not change other than adding new types to the end. These numbers
* might appear in files.
*
* Note: please change the log VFD flavors array if you change this
* enumeration.
*/
typedef enum H5F_mem_t {
H5FD_MEM_NOLIST = -1, /* Data should not appear in the free list.
* Must be negative.
*/
H5FD_MEM_DEFAULT = 0, /* Value not yet set. Can also be the
* datatype set in a larger allocation
* that will be suballocated by the library.
* Must be zero.
*/
H5FD_MEM_SUPER = 1, /* Superblock data */
H5FD_MEM_BTREE = 2, /* B-tree data */
H5FD_MEM_DRAW = 3, /* Raw data (content of datasets, etc.) */
H5FD_MEM_GHEAP = 4, /* Global heap data */
H5FD_MEM_LHEAP = 5, /* Local heap data */
H5FD_MEM_OHDR = 6, /* Object header data */
H5FD_MEM_NTYPES /* Sentinel value - must be last */
} H5F_mem_t;
/* Library's file format versions */
typedef enum H5F_libver_t {
H5F_LIBVER_EARLIEST, /* Use the earliest possible format for storing objects */
H5F_LIBVER_LATEST /* Use the latest possible format available for storing objects*/
} H5F_libver_t;
/* Define file format version for 1.8 to prepare for 1.10 release.
* (Not used anywhere now)*/
#define H5F_LIBVER_18 H5F_LIBVER_LATEST
#ifdef __cplusplus
extern "C" {
#endif
/* Functions in H5F.c */
H5_DLL htri_t H5Fis_hdf5(const char *filename);
H5_DLL hid_t H5Fcreate(const char *filename, unsigned flags, hid_t create_plist, hid_t access_plist);
H5_DLL hid_t H5Fopen(const char *filename, unsigned flags, hid_t access_plist);
H5_DLL hid_t H5Freopen(hid_t file_id);
H5_DLL herr_t H5Fflush(hid_t object_id, H5F_scope_t scope);
H5_DLL herr_t H5Fclose(hid_t file_id);
H5_DLL hid_t H5Fget_create_plist(hid_t file_id);
H5_DLL hid_t H5Fget_access_plist(hid_t file_id);
H5_DLL herr_t H5Fget_intent(hid_t file_id, unsigned *intent);
H5_DLL ssize_t H5Fget_obj_count(hid_t file_id, unsigned types);
H5_DLL ssize_t H5Fget_obj_ids(hid_t file_id, unsigned types, size_t max_objs, hid_t *obj_id_list);
H5_DLL herr_t H5Fget_vfd_handle(hid_t file_id, hid_t fapl, void **file_handle);
H5_DLL herr_t H5Fmount(hid_t loc, const char *name, hid_t child, hid_t plist);
H5_DLL herr_t H5Funmount(hid_t loc, const char *name);
H5_DLL hssize_t H5Fget_freespace(hid_t file_id);
H5_DLL herr_t H5Fget_filesize(hid_t file_id, hsize_t *size);
H5_DLL ssize_t H5Fget_file_image(hid_t file_id, void *buf_ptr, size_t buf_len);
H5_DLL herr_t H5Fget_mdc_config(hid_t file_id, H5AC_cache_config_t *config_ptr);
H5_DLL herr_t H5Fset_mdc_config(hid_t file_id, H5AC_cache_config_t *config_ptr);
H5_DLL herr_t H5Fget_mdc_hit_rate(hid_t file_id, double *hit_rate_ptr);
H5_DLL herr_t H5Fget_mdc_size(hid_t file_id, size_t *max_size_ptr, size_t *min_clean_size_ptr,
size_t *cur_size_ptr, int *cur_num_entries_ptr);
H5_DLL herr_t H5Freset_mdc_hit_rate_stats(hid_t file_id);
H5_DLL ssize_t H5Fget_name(hid_t obj_id, char *name, size_t size);
H5_DLL herr_t H5Fget_info(hid_t obj_id, H5F_info_t *bh_info);
H5_DLL herr_t H5Fclear_elink_file_cache(hid_t file_id);
#ifdef H5_HAVE_PARALLEL
H5_DLL herr_t H5Fset_mpi_atomicity(hid_t file_id, hbool_t flag);
H5_DLL herr_t H5Fget_mpi_atomicity(hid_t file_id, hbool_t *flag);
#endif /* H5_HAVE_PARALLEL */
#ifdef __cplusplus
}
#endif
#endif /* H5Fpublic_H */
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