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/****************************************************************************
* NCSA HDF *
* Software Development Group *
* National Center for Supercomputing Applications *
* University of Illinois at Urbana-Champaign *
* 605 E. Springfield, Champaign IL 61820 *
* *
* For conditions of distribution and use, see the accompanying *
* hdf/COPYING file. *
* *
****************************************************************************/
/*
* This file contains public declarations for the H5E module.
*/
#ifndef _H5Epublic_H
#define _H5Epublic_H
#include <stdio.h> /*FILE arg of H5Eprint() */
/* Public headers needed by this file */
#include <H5public.h>
#include <H5Ipublic.h>
/*
* One often needs to temporarily disable automatic error reporting when
* trying something that's likely or expected to fail. For instance, to
* determine if an object exists one can call H5Gstat() which will fail if
* the object doesn't exist. The code to try can be nested between calls to
* H5Eget_auto() and H5Eset_auto(), but it's easier just to use this macro
* like:
* H5E_BEGIN_TRY {
* ...stuff here that's likely to fail...
* } H5E_END_TRY;
*
* Warning: don't break, return, or longjmp() from the body of the loop or
* the error reporting won't be properly restored!
*/
#define H5E_BEGIN_TRY do { \
herr_t (*H5E_saved_efunc)(void*); \
void *H5E_saved_edata; \
H5Eget_auto (&H5E_saved_efunc, &H5E_saved_edata); \
H5Eset_auto (NULL, NULL);
#define H5E_END_TRY \
H5Eset_auto (H5E_saved_efunc, H5E_saved_edata); \
} while(0)
/*
* Declare an enumerated type which holds all the valid major HDF error codes.
*/
typedef enum H5E_major_t {
H5E_NONE_MAJOR = 0, /*special zero, no error */
H5E_ARGS, /*invalid arguments to routine */
H5E_RESOURCE, /*resource unavailable */
H5E_INTERNAL, /* Internal error (too specific to document
* in detail)
*/
H5E_FILE, /*file Accessability */
H5E_IO, /*Low-level I/O */
H5E_FUNC, /*function Entry/Exit */
H5E_ATOM, /*object Atom */
H5E_CACHE, /*object Cache */
H5E_BTREE, /*B-Tree Node */
H5E_SYM, /*symbol Table */
H5E_HEAP, /*Heap */
H5E_OHDR, /*object Header */
H5E_DATATYPE, /*Datatype */
H5E_DATASPACE, /*Dataspace */
H5E_DATASET, /*Dataset */
H5E_STORAGE, /*data storage */
H5E_TEMPLATE, /*Property lists */
H5E_ATTR, /*Attribute */
H5E_COMP, /*Data compression */
H5E_EFL /*External file list */
} H5E_major_t;
/* Declare an enumerated type which holds all the valid minor HDF error codes */
typedef enum H5E_minor_t {
H5E_NONE_MINOR = 0, /*special zero, no error */
/* Argument errors */
H5E_UNINITIALIZED, /*information is unitialized */
H5E_UNSUPPORTED, /*feature is unsupported */
H5E_BADTYPE, /*incorrect type found */
H5E_BADRANGE, /*argument out of range */
H5E_BADVALUE, /*bad value for argument */
/* Resource errors */
H5E_NOSPACE, /*no space available for allocation */
/* File accessability errors */
H5E_FILEEXISTS, /*file already exists */
H5E_FILEOPEN, /*file already open */
H5E_CANTCREATE, /*Can't create file */
H5E_CANTOPENFILE, /*Can't open file */
H5E_NOTHDF5, /*not an HDF5 format file */
H5E_BADFILE, /*bad file ID accessed */
H5E_TRUNCATED, /*file has been truncated */
/* Generic low-level file I/O errors */
H5E_SEEKERROR, /*seek failed */
H5E_READERROR, /*read failed */
H5E_WRITEERROR, /*write failed */
H5E_CLOSEERROR, /*close failed */
H5E_OVERFLOW, /*address overflowed */
/* Function entry/exit interface errors */
H5E_CANTINIT, /*Can't initialize */
H5E_ALREADYINIT, /*object already initialized */
/* Object atom related errors */
H5E_BADATOM, /*Can't find atom information */
H5E_CANTREGISTER, /*Can't register new atom */
/* Cache related errors */
H5E_CANTFLUSH, /*Can't flush object from cache */
H5E_CANTLOAD, /*Can't load object into cache */
H5E_PROTECT, /*protected object error */
H5E_NOTCACHED, /*object not currently cached */
/* B-tree related errors */
H5E_NOTFOUND, /*object not found */
H5E_EXISTS, /*object already exists */
H5E_CANTENCODE, /*Can't encode value */
H5E_CANTDECODE, /*Can't decode value */
H5E_CANTSPLIT, /*Can't split node */
H5E_CANTINSERT, /*Can't insert object */
H5E_CANTLIST, /*Can't list node */
/* Object header related errors */
H5E_LINKCOUNT, /*bad object header link count */
H5E_VERSION, /*wrong version number */
H5E_ALIGNMENT, /*alignment error */
H5E_BADMESG, /*unrecognized message */
H5E_CANTDELETE, /* Can't delete message */
/* Group related errors */
H5E_CANTOPENOBJ, /*Can't open object */
H5E_COMPLEN, /*name component is too long */
H5E_CWG, /*problem with current working group */
H5E_LINK, /*link count failure */
H5E_SLINK, /*symbolic link error */
/* Parallel errors */
H5E_MPI /*some MPI function failed */
} H5E_minor_t;
/* Information about an error */
typedef struct H5E_error_t {
H5E_major_t maj_num; /*major error number */
H5E_minor_t min_num; /*minor error number */
const char *func_name; /*function in which error occurred */
const char *file_name; /*file in which error occurred */
unsigned line; /*line in file where error occurs */
const char *desc; /*optional supplied description */
} H5E_error_t;
/* Error stack traversal direction */
typedef enum H5E_direction_t {
H5E_WALK_UPWARD = 0, /*begin deep, end at API function */
H5E_WALK_DOWNWARD = 1 /*begin at API function, end deep */
} H5E_direction_t;
/* Error stack traversal callback function */
typedef herr_t (*H5E_walk_t)(int n, H5E_error_t *err_desc, void *client_data);
typedef herr_t (*H5E_auto_t)(void *client_data);
#ifdef __cplusplus
extern "C" {
#endif
herr_t H5Eset_auto (H5E_auto_t func, void *client_data);
herr_t H5Eget_auto (H5E_auto_t *func, void **client_data);
herr_t H5Eclear (void);
herr_t H5Eprint (FILE *stream);
herr_t H5Ewalk (H5E_direction_t direction, H5E_walk_t func, void *client_data);
herr_t H5Ewalk_cb (int n, H5E_error_t *err_desc, void *client_data);
const char *H5Eget_major (H5E_major_t major_number);
const char *H5Eget_minor (H5E_minor_t minor_number);
#ifdef __cplusplus
}
#endif
#endif
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