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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by The HDF Group. *
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* All rights reserved. *
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* *
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* This file is part of HDF5. The full HDF5 copyright notice, including *
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* terms governing use, modification, and redistribution, is contained in *
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* the COPYING file, which can be found at the root of the source code *
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* distribution tree, or in https://www.hdfgroup.org/licenses. *
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* If you do not have access to either file, you may request a copy from *
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* help@hdfgroup.org. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/*
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* This file contains public declarations for the H5E module.
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*/
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#ifndef H5Epublic_H
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#define H5Epublic_H
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#include <stdio.h> /*FILE arg of H5Eprint() */
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/* Public headers needed by this file */
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#include "H5public.h"
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#include "H5Ipublic.h"
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/* Value for the default error stack */
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#define H5E_DEFAULT 0 /* (hid_t) */
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/**
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* Different kinds of error information
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*/
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typedef enum H5E_type_t { H5E_MAJOR, H5E_MINOR } H5E_type_t;
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/**
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* Information about an error; element of error stack
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*/
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typedef struct H5E_error2_t {
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hid_t cls_id;
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/**< Class ID */
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hid_t maj_num;
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/**< Major error ID */
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hid_t min_num;
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/**< Minor error number */
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unsigned line;
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/**< Line in file where error occurs */
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const char *func_name;
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/**< Function in which error occurred */
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const char *file_name;
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/**< File in which error occurred */
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const char *desc;
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/**< Optional supplied description */
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} H5E_error2_t;
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/* When this header is included from a private header, don't make calls to H5open() */
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#undef H5OPEN
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#ifndef H5private_H
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#define H5OPEN H5open(),
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#else /* H5private_H */
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#define H5OPEN
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#endif /* H5private_H */
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/* HDF5 error class */
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/* Extern "C" block needed to compile C++ filter plugins with some compilers */
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define H5E_ERR_CLS (H5OPEN H5E_ERR_CLS_g)
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H5_DLLVAR hid_t H5E_ERR_CLS_g;
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#ifdef __cplusplus
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}
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#endif
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/* Include the automatically generated public header information */
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/* (This includes the list of major and minor error codes for the library) */
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#include "H5Epubgen.h"
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/*
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* One often needs to temporarily disable automatic error reporting when
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* trying something that's likely or expected to fail. The code to try can
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* be nested between calls to H5Eget_auto() and H5Eset_auto(), but it's
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* easier just to use this macro like:
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* H5E_BEGIN_TRY {
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* ...stuff here that's likely to fail...
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* } H5E_END_TRY;
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*
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* Warning: don't break, return, or longjmp() from the body of the loop or
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* the error reporting won't be properly restored!
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*
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* These two macros still use the old API functions for backward compatibility
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* purpose.
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*/
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#ifndef H5_NO_DEPRECATED_SYMBOLS
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#define H5E_BEGIN_TRY \
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{ \
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unsigned H5E_saved_is_v2; \
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union { \
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H5E_auto1_t efunc1; \
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H5E_auto2_t efunc2; \
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} H5E_saved; \
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void *H5E_saved_edata; \
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\
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(void)H5Eauto_is_v2(H5E_DEFAULT, &H5E_saved_is_v2); \
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if (H5E_saved_is_v2) { \
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(void)H5Eget_auto2(H5E_DEFAULT, &H5E_saved.efunc2, &H5E_saved_edata); \
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(void)H5Eset_auto2(H5E_DEFAULT, NULL, NULL); \
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} \
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else { \
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(void)H5Eget_auto1(&H5E_saved.efunc1, &H5E_saved_edata); \
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(void)H5Eset_auto1(NULL, NULL); \
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}
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#define H5E_END_TRY \
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if (H5E_saved_is_v2) \
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(void)H5Eset_auto2(H5E_DEFAULT, H5E_saved.efunc2, H5E_saved_edata); \
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else \
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(void)H5Eset_auto1(H5E_saved.efunc1, H5E_saved_edata); \
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}
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#else /* H5_NO_DEPRECATED_SYMBOLS */
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#define H5E_BEGIN_TRY \
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{ \
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H5E_auto2_t saved_efunc; \
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void *H5E_saved_edata; \
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\
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(void)H5Eget_auto2(H5E_DEFAULT, &saved_efunc, &H5E_saved_edata); \
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(void)H5Eset_auto2(H5E_DEFAULT, NULL, NULL);
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#define H5E_END_TRY \
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(void)H5Eset_auto2(H5E_DEFAULT, saved_efunc, H5E_saved_edata); \
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}
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#endif /* H5_NO_DEPRECATED_SYMBOLS */
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/*
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* Public API Convenience Macros for Error reporting - Documented
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*/
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/* Use the Standard C __FILE__ & __LINE__ macros instead of typing them in */
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#define H5Epush_sim(func, cls, maj, min, str) \
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H5Epush2(H5E_DEFAULT, __FILE__, func, __LINE__, cls, maj, min, str)
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/*
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* Public API Convenience Macros for Error reporting - Undocumented
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*/
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/* Use the Standard C __FILE__ & __LINE__ macros instead of typing them in */
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/* And return after pushing error onto stack */
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#define H5Epush_ret(func, cls, maj, min, str, ret) \
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do { \
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H5Epush2(H5E_DEFAULT, __FILE__, func, __LINE__, cls, maj, min, str); \
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return (ret); \
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} while (0)
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/* Use the Standard C __FILE__ & __LINE__ macros instead of typing them in
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* And goto a label after pushing error onto stack.
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*/
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#define H5Epush_goto(func, cls, maj, min, str, label) \
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{ \
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H5Epush2(H5E_DEFAULT, __FILE__, func, __LINE__, cls, maj, min, str); \
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goto label; \
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}
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/**
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* Error stack traversal direction
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*/
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typedef enum H5E_direction_t {
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H5E_WALK_UPWARD = 0, /**< begin w/ most specific error, end at API function */
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H5E_WALK_DOWNWARD = 1 /**< begin at API function, end w/ most specific error */
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} H5E_direction_t;
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Error stack traversal callback function pointers */
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//! <!-- [H5E_walk2_t_snip] -->
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/**
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* \brief Callback function for H5Ewalk2()
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*
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* \param[in] n Indexed error position in the stack
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* \param[in] err_desc Pointer to a data structure describing the error
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* \param[in] client_data Pointer to client data in the format expected by the
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* user-defined function
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* \return \herr_t
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*/
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typedef herr_t (*H5E_walk2_t)(unsigned n, const H5E_error2_t *err_desc, void *client_data);
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//! <!-- [H5E_walk2_t_snip] -->
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//! <!-- [H5E_auto2_t_snip] -->
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/**
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* \brief Callback function for H5Eset_auto2()
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*
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* \estack_id{estack}
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* \param[in] client_data Pointer to client data in the format expected by the
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* user-defined function
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* \return \herr_t
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*/
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typedef herr_t (*H5E_auto2_t)(hid_t estack, void *client_data);
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//! <!-- [H5E_auto2_t_snip] -->
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/* Public API functions */
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/**
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* --------------------------------------------------------------------------
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* \ingroup H5E
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*
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* \brief Registers a client library or application program to the HDF5 error API
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*
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* \param[in] cls_name Name of the error class
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* \param[in] lib_name Name of the client library or application to which the error class belongs
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* \param[in] version Version of the client library or application to which the
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error class belongs. Can be \c NULL.
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* \return Returns a class identifier on success; otherwise returns H5I_INVALID_ID.
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*
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* \details H5Eregister_class() registers a client library or application
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* program to the HDF5 error API so that the client library or
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* application program can report errors together with the HDF5
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* library. It receives an identifier for this error class for further
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* error operations. The library name and version number will be
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* printed out in the error message as a preamble.
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*
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* \since 1.8.0
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*/
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H5_DLL hid_t H5Eregister_class(const char *cls_name, const char *lib_name, const char *version);
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/**
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* --------------------------------------------------------------------------
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* \ingroup H5E
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*
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* \brief Removes an error class
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*
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* \param[in] class_id Error class identifier.
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* \return \herr_t
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*
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* \details H5Eunregister_class() removes the error class specified by \p
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* class_id. All the major and minor errors in this class will also be
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* closed.
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*
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* \since 1.8.0
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*/
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H5_DLL herr_t H5Eunregister_class(hid_t class_id);
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/**
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* --------------------------------------------------------------------------
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* \ingroup H5E
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*
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* \brief Closes an error message
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*
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* \param[in] err_id An error message identifier
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* \return \herr_t
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*
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* \details H5Eclose_msg() closes an error message identifier, which can be
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* either a major or minor message.
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*
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* \since 1.8.0
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*/
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H5_DLL herr_t H5Eclose_msg(hid_t err_id);
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/**
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* --------------------------------------------------------------------------
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* \ingroup H5E
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*
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* \brief Adds a major error message to an error class
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*
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* \param[in] cls An error class identifier
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* \param[in] msg_type The type of the error message
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* \param[in] msg Major error message
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* \return \herr_t
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*
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* \details H5Ecreate_msg() adds an error message to an error class defined by
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* client library or application program. The error message can be
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* either major or minor as indicated by the parameter \p msg_type.
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*
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* Use H5Eclose_msg() to close the message identifier returned by this
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* function.
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*
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* \since 1.8.0
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*/
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H5_DLL hid_t H5Ecreate_msg(hid_t cls, H5E_type_t msg_type, const char *msg);
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/**
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* --------------------------------------------------------------------------
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* \ingroup H5E
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*
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* \brief Creates a new, empty error stack
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*
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* \return \hid_ti{error stack}
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*
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* \details H5Ecreate_stack() creates a new empty error stack and returns the
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* new stack’s identifier. Use H5Eclose_stack() to close the error stack
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* identifier returned by this function.
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*
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* \since 1.8.0
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*/
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H5_DLL hid_t H5Ecreate_stack(void);
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/**
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* --------------------------------------------------------------------------
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* \ingroup H5E
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*
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* \brief Returns a copy of the current error stack
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*
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* \return \hid_ti{error stack}
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*
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* \details H5Eget_current_stack() copies the current error stack and returns an
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* error stack identifier for the new copy.
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*
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* \since 1.8.0
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*/
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H5_DLL hid_t H5Eget_current_stack(void);
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/**
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* --------------------------------------------------------------------------
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* \ingroup H5E
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*
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* \brief Appends one error stack to another, optionally closing the source
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* stack.
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*
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* \estack_id{dst_stack_id}
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* \estack_id{src_stack_id}
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* \param[in] close_source_stack Flag to indicate whether to close the source stack
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* \return \herr_t
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*
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* \details H5Eappend_stack() appends the messages from error stack
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* \p src_stack_id to the error stack \p dst_stack_id.
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* If \p close_source_stack is \c TRUE, the source error stack
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* will be closed.
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*
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* \since 1.14.0
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*/
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H5_DLL herr_t H5Eappend_stack(hid_t dst_stack_id, hid_t src_stack_id, hbool_t close_source_stack);
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/**
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* --------------------------------------------------------------------------
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* \ingroup H5E
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*
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* \brief Closes an error stack handle
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*
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* \estack_id{stack_id}
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*
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* \return \herr_t
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*
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* \details H5Eclose_stack() closes the error stack handle \p stack_id
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* and releases its resources. #H5E_DEFAULT cannot be closed.
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*
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* \since 1.8.0
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*/
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H5_DLL herr_t H5Eclose_stack(hid_t stack_id);
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/**
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* --------------------------------------------------------------------------
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* \ingroup H5E
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*
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* \brief Retrieves error class name
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*
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* \param[in] class_id Error class identifier
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* \param[out] name Buffer for the error class name
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* \param[in] size The maximum number of characters the class name to be returned
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* by this function in\p name.
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* \return Returns non-negative value as on success; otherwise returns negative value.
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*
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* \details H5Eget_class_name() retrieves the name of the error class specified
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* by the class identifier. If non-NULL pointer is passed in for \p
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* name and \p size is greater than zero, the class name of \p size
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* long is returned. The length of the error class name is also
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* returned. If NULL is passed in as \p name, only the length of class
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* name is returned. If zero is returned, it means no name. The user is
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* responsible for allocating sufficient buffer space for the name.
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*
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* \since 1.8.0
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*/
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H5_DLL ssize_t H5Eget_class_name(hid_t class_id, char *name, size_t size);
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/**
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* --------------------------------------------------------------------------
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* \ingroup H5E
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*
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* \brief Replaces the current error stack
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*
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* \estack_id{err_stack_id}
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*
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* \return \herr_t
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*
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* \details H5Eset_current_stack() replaces the content of the current error
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* stack with a copy of the content of the error stack specified by
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* \p err_stack_id, and it closes the error stack specified by
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* \p err_stack_id.
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*
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* \since 1.8.0
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*/
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H5_DLL herr_t H5Eset_current_stack(hid_t err_stack_id);
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/**
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* --------------------------------------------------------------------------
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* \ingroup H5E
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*
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* \brief Pushes a new error record onto an error stack
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*
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* \estack_id{err_stack}. If the identifier is #H5E_DEFAULT, the error record
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* will be pushed to the current stack.
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* \param[in] file Name of the file in which the error was detected
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* \param[in] func Name of the function in which the error was detected
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* \param[in] line Line number in the file where the error was detected
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* \param[in] cls_id Error class identifier
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* \param[in] maj_id Major error identifier
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* \param[in] min_id Minor error identifier
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* \param[in] msg Error description string
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* \return \herr_t
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*
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|
* \details H5Epush2() pushes a new error record onto the error stack specified
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|
* by \p err_stack.\n
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|
* The error record contains the error class identifier \p cls_id, the
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|
* major and minor message identifiers \p maj_id and \p min_id, the
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|
* function name \p func where the error was detected, the file name \p
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|
* file and line number \p line in the file where the error was
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|
|
* detected, and an error description \p msg.\n
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|
|
* The major and minor errors must be in the same error class.\n
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|
|
* The function name, filename, and error description strings must be
|
|
|
* statically allocated.\n
|
|
|
* \p msg can be a format control string with additional
|
|
|
* arguments. This design of appending additional arguments is similar
|
|
|
* to the system and C functions printf() and fprintf().
|
|
|
*
|
|
|
* \since 1.8.0
|
|
|
*/
|
|
|
H5_DLL herr_t H5Epush2(hid_t err_stack, const char *file, const char *func, unsigned line, hid_t cls_id,
|
|
|
hid_t maj_id, hid_t min_id, const char *msg, ...);
|
|
|
/**
|
|
|
* --------------------------------------------------------------------------
|
|
|
* \ingroup H5E
|
|
|
*
|
|
|
* \brief Deletes specified number of error messages from the error stack
|
|
|
*
|
|
|
* \estack_id{err_stack}
|
|
|
* \param[in] count The number of error messages to be deleted from the top
|
|
|
* of error stack
|
|
|
* \return \herr_t
|
|
|
*
|
|
|
* \details H5Epop() deletes the number of error records specified in \p count
|
|
|
* from the top of the error stack specified by \p err_stack (including
|
|
|
* major, minor messages and description). The number of error messages
|
|
|
* to be deleted is specified by \p count.
|
|
|
*
|
|
|
* \since 1.8.0
|
|
|
*/
|
|
|
H5_DLL herr_t H5Epop(hid_t err_stack, size_t count);
|
|
|
/**
|
|
|
* --------------------------------------------------------------------------
|
|
|
* \ingroup H5E
|
|
|
*
|
|
|
* \brief Prints the specified error stack in a default manner
|
|
|
*
|
|
|
* \estack_id{err_stack}
|
|
|
* \param[in] stream File pointer, or \c NULL for \c stderr
|
|
|
* \return \herr_t
|
|
|
*
|
|
|
* \details H5Eprint2() prints the error stack specified by \p err_stack on the
|
|
|
* specified stream, \p stream. Even if the error stack is empty, a
|
|
|
* one-line message of the following form will be printed:
|
|
|
* \code{.unparsed}
|
|
|
* HDF5-DIAG: Error detected in HDF5 library version: 1.5.62 thread 0.
|
|
|
* \endcode
|
|
|
*
|
|
|
* A similar line will appear before the error messages of each error
|
|
|
* class stating the library name, library version number, and thread
|
|
|
* identifier.
|
|
|
*
|
|
|
* If \p err_stack is #H5E_DEFAULT, the current error stack will be
|
|
|
* printed.
|
|
|
*
|
|
|
* H5Eprint2() is a convenience function for H5Ewalk2() with a function
|
|
|
* that prints error messages. Users are encouraged to write their own
|
|
|
* more specific error handlers.
|
|
|
*
|
|
|
* \since 1.8.0
|
|
|
*/
|
|
|
H5_DLL herr_t H5Eprint2(hid_t err_stack, FILE *stream);
|
|
|
/**
|
|
|
* --------------------------------------------------------------------------
|
|
|
* \ingroup H5E
|
|
|
*
|
|
|
* \brief Walks the specified error stack, calling the specified function
|
|
|
*
|
|
|
* \estack_id{err_stack}
|
|
|
* \param[in] direction Direction in which the error stack is to be walked
|
|
|
* \param[in] func Function to be called for each error encountered
|
|
|
* \param[in] client_data Data to be passed to \p func
|
|
|
* \return \herr_t
|
|
|
*
|
|
|
* \details H5Ewalk2() walks the error stack specified by err_stack for the
|
|
|
* current thread and calls the function specified in \p func for each
|
|
|
* error along the way.
|
|
|
*
|
|
|
* If the value of \p err_stack is #H5E_DEFAULT, then H5Ewalk2() walks
|
|
|
* the current error stack.
|
|
|
*
|
|
|
* \p direction specifies whether the stack is walked from the inside
|
|
|
* out or the outside in. A value of #H5E_WALK_UPWARD means to begin
|
|
|
* with the most specific error and end at the API; a value of
|
|
|
* #H5E_WALK_DOWNWARD means to start at the API and end at the
|
|
|
* innermost function where the error was first detected.
|
|
|
*
|
|
|
* \p func, a function conforming to the #H5E_walk2_t prototype, will
|
|
|
* be called for each error in the error stack. Its arguments will
|
|
|
* include an index number \c n (beginning at zero regardless of stack
|
|
|
* traversal direction), an error stack entry \c err_desc, and the \c
|
|
|
* client_data pointer passed to H5Eprint(). The #H5E_walk2_t prototype
|
|
|
* is as follows:
|
|
|
* \snippet this H5E_walk2_t_snip
|
|
|
*
|
|
|
* \since 1.8.0
|
|
|
*/
|
|
|
H5_DLL herr_t H5Ewalk2(hid_t err_stack, H5E_direction_t direction, H5E_walk2_t func, void *client_data);
|
|
|
/**
|
|
|
* --------------------------------------------------------------------------
|
|
|
* \ingroup H5E
|
|
|
*
|
|
|
* \brief Returns the settings for the automatic error stack traversal
|
|
|
* function and its data
|
|
|
*
|
|
|
* \estack_id
|
|
|
* \param[out] func The function currently set to be called upon an error condition
|
|
|
* \param[out] client_data Data currently set to be passed to the error function
|
|
|
* \return \herr_t
|
|
|
*
|
|
|
* \details H5Eget_auto2() returns the settings for the automatic error stack
|
|
|
* traversal function, \p func, and its data, \p client_data, that are
|
|
|
* associated with the error stack specified by \p estack_id.
|
|
|
*
|
|
|
* Either or both of the \p func and \p client_data arguments may be
|
|
|
* \c NULL, in which case the value is not returned.
|
|
|
*
|
|
|
* The library initializes its default error stack traversal functions
|
|
|
* to H5Eprint1() and H5Eprint2(). A call to H5Eget_auto2() returns
|
|
|
* H5Eprint2() or the user-defined function passed in through
|
|
|
* H5Eset_auto2(). A call to H5Eget_auto1() returns H5Eprint1() or the
|
|
|
* user-defined function passed in through H5Eset_auto1(). However, if
|
|
|
* the application passes in a user-defined function through
|
|
|
* H5Eset_auto1(), it should call H5Eget_auto1() to query the traversal
|
|
|
* function. If the application passes in a user-defined function
|
|
|
* through H5Eset_auto2(), it should call H5Eget_auto2() to query the
|
|
|
* traversal function.
|
|
|
*
|
|
|
* Mixing the new style and the old style functions will cause a
|
|
|
* failure. For example, if the application sets a user-defined
|
|
|
* old-style traversal function through H5Eset_auto1(), a call to
|
|
|
* H5Eget_auto2() will fail and will indicate that the application has
|
|
|
* mixed H5Eset_auto1() and H5Eget_auto2(). On the other hand, mixing
|
|
|
* H5Eset_auto2() and H5Eget_auto1() will also cause a failure. But if
|
|
|
* the traversal functions are the library’s default H5Eprint1() or
|
|
|
* H5Eprint2(), mixing H5Eset_auto1() and H5Eget_auto2() or mixing
|
|
|
* H5Eset_auto2() and H5Eget_auto1() does not fail.
|
|
|
*
|
|
|
* \since 1.8.0
|
|
|
*/
|
|
|
H5_DLL herr_t H5Eget_auto2(hid_t estack_id, H5E_auto2_t *func, void **client_data);
|
|
|
/**
|
|
|
* --------------------------------------------------------------------------
|
|
|
* \ingroup H5E
|
|
|
*
|
|
|
* \brief Turns automatic error printing on or off
|
|
|
*
|
|
|
* \estack_id
|
|
|
* \param[in] func Function to be called upon an error condition
|
|
|
* \param[in] client_data Data passed to the error function
|
|
|
* \return \herr_t
|
|
|
*
|
|
|
* \details H5Eset_auto2() turns on or off automatic printing of errors for the
|
|
|
* error stack specified with \p estack_id. An \p estack_id value of
|
|
|
* #H5E_DEFAULT indicates the current stack.
|
|
|
*
|
|
|
* When automatic printing is turned on, by the use of a non-null \p func
|
|
|
* pointer, any API function which returns an error indication will
|
|
|
* first call \p func, passing it \p client_data as an argument.
|
|
|
*
|
|
|
* \p func, a function compliant with the #H5E_auto2_t prototype, is
|
|
|
* defined in the H5Epublic.h source code file as:
|
|
|
* \snippet this H5E_auto2_t_snip
|
|
|
*
|
|
|
* When the library is first initialized, the auto printing function is
|
|
|
* set to H5Eprint2() (cast appropriately) and \p client_data is the
|
|
|
* standard error stream pointer, \c stderr.
|
|
|
*
|
|
|
* Automatic stack traversal is always in the #H5E_WALK_DOWNWARD
|
|
|
* direction.
|
|
|
*
|
|
|
* Automatic error printing is turned off with a H5Eset_auto2() call
|
|
|
* with a \c NULL \p func pointer.
|
|
|
*
|
|
|
* \since 1.8.0
|
|
|
*/
|
|
|
H5_DLL herr_t H5Eset_auto2(hid_t estack_id, H5E_auto2_t func, void *client_data);
|
|
|
/**
|
|
|
* --------------------------------------------------------------------------
|
|
|
* \ingroup H5E
|
|
|
*
|
|
|
* \brief Clears the specified error stack or the error stack for the current thread
|
|
|
*
|
|
|
* \estack_id{err_stack}
|
|
|
* \return \herr_t
|
|
|
*
|
|
|
* \details H5Eclear2() clears the error stack specified by \p err_stack, or, if
|
|
|
* \p err_stack is set to #H5E_DEFAULT, the error stack for the current
|
|
|
* thread.
|
|
|
*
|
|
|
* \p err_stack is an error stack identifier, such as that returned by
|
|
|
* H5Eget_current_stack().
|
|
|
*
|
|
|
* The current error stack is also cleared whenever an API function is
|
|
|
* called, with certain exceptions (for instance, H5Eprint1() or
|
|
|
* H5Eprint2()).
|
|
|
*
|
|
|
* \since 1.8.0
|
|
|
*/
|
|
|
H5_DLL herr_t H5Eclear2(hid_t err_stack);
|
|
|
/**
|
|
|
* --------------------------------------------------------------------------
|
|
|
* \ingroup H5E
|
|
|
*
|
|
|
* \brief Determines the type of error stack
|
|
|
*
|
|
|
* \estack_id{err_stack}
|
|
|
* \param[out] is_stack A flag indicating which error stack \c typedef the
|
|
|
* specified error stack conforms to
|
|
|
*
|
|
|
* \return \herr_t
|
|
|
*
|
|
|
* \details H5Eauto_is_v2() determines whether the error auto reporting function
|
|
|
* for an error stack conforms to the #H5E_auto2_t \c typedef or the
|
|
|
* #H5E_auto1_t \c typedef.
|
|
|
*
|
|
|
* The \p is_stack parameter is set to 1 if the error stack conforms to
|
|
|
* #H5E_auto2_t and 0 if it conforms to #H5E_auto1_t.
|
|
|
*
|
|
|
* \since 1.8.0
|
|
|
*/
|
|
|
H5_DLL herr_t H5Eauto_is_v2(hid_t err_stack, unsigned *is_stack);
|
|
|
/**
|
|
|
* --------------------------------------------------------------------------
|
|
|
* \ingroup H5E
|
|
|
*
|
|
|
* \brief Retrieves an error message
|
|
|
*
|
|
|
* \param[in] msg_id Error message identifier
|
|
|
* \param[out] type The type of the error message Valid values are #H5E_MAJOR
|
|
|
* and #H5E_MINOR.
|
|
|
* \param[out] msg Error message buffer
|
|
|
* \param[in] size The length of error message to be returned by this function
|
|
|
* \return Returns the size of the error message in bytes on success; otherwise
|
|
|
* returns a negative value.
|
|
|
*
|
|
|
* \details H5Eget_msg() retrieves the error message including its length and
|
|
|
* type. The error message is specified by \p msg_id. The user is
|
|
|
* responsible for passing in sufficient buffer space for the
|
|
|
* message. If \p msg is not NULL and \p size is greater than zero, the
|
|
|
* error message of \p size long is returned. The length of the message
|
|
|
* is also returned. If NULL is passed in as \p msg, only the length
|
|
|
* and type of the message is returned. If the return value is zero, it
|
|
|
* means there is no message.
|
|
|
*
|
|
|
* \since 1.8.0
|
|
|
*/
|
|
|
H5_DLL ssize_t H5Eget_msg(hid_t msg_id, H5E_type_t *type, char *msg, size_t size);
|
|
|
/**
|
|
|
* --------------------------------------------------------------------------
|
|
|
* \ingroup H5E
|
|
|
*
|
|
|
* \brief Retrieves the number of error messages in an error stack
|
|
|
*
|
|
|
* \estack_id{error_stack_id}
|
|
|
* \return Returns a non-negative value on success; otherwise returns a negative value.
|
|
|
*
|
|
|
* \details H5Eget_num() retrieves the number of error records in the error
|
|
|
* stack specified by \p error_stack_id (including major, minor
|
|
|
* messages and description).
|
|
|
*
|
|
|
* \since 1.8.0
|
|
|
*/
|
|
|
H5_DLL ssize_t H5Eget_num(hid_t error_stack_id);
|
|
|
|
|
|
/* Symbols defined for compatibility with previous versions of the HDF5 API.
|
|
|
*
|
|
|
* Use of these symbols is deprecated.
|
|
|
*/
|
|
|
#ifndef H5_NO_DEPRECATED_SYMBOLS
|
|
|
|
|
|
/* Typedefs */
|
|
|
|
|
|
/* Alias major & minor error types to hid_t's, for compatibility with new
|
|
|
* error API in v1.8
|
|
|
*/
|
|
|
typedef hid_t H5E_major_t;
|
|
|
typedef hid_t H5E_minor_t;
|
|
|
|
|
|
/**
|
|
|
* Information about an error element of error stack.
|
|
|
*/
|
|
|
typedef struct H5E_error1_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_error1_t;
|
|
|
|
|
|
/* Error stack traversal callback function pointers */
|
|
|
//! <!-- [H5E_walk1_t_snip] -->
|
|
|
/**
|
|
|
* \brief Callback function for H5Ewalk1()
|
|
|
*
|
|
|
* \param[in] n Indexed error position in the stack
|
|
|
* \param[in] err_desc Pointer to a data structure describing the error
|
|
|
* \param[in] client_data Pointer to client data in the format expected by the
|
|
|
* user-defined function
|
|
|
* \return \herr_t
|
|
|
*/
|
|
|
typedef herr_t (*H5E_walk1_t)(int n, H5E_error1_t *err_desc, void *client_data);
|
|
|
//! <!-- [H5E_walk1_t_snip] -->
|
|
|
|
|
|
//! <!-- [H5E_auto1_t_snip] -->
|
|
|
/**
|
|
|
* \brief Callback function for H5Eset_auto1()
|
|
|
*
|
|
|
* \param[in] client_data Pointer to client data in the format expected by the
|
|
|
* user-defined function
|
|
|
* \return \herr_t
|
|
|
*/
|
|
|
typedef herr_t (*H5E_auto1_t)(void *client_data);
|
|
|
//! <!-- [H5E_auto1_t_snip] -->
|
|
|
|
|
|
/* Function prototypes */
|
|
|
/**
|
|
|
* --------------------------------------------------------------------------
|
|
|
* \ingroup H5E
|
|
|
*
|
|
|
* \brief Clears the error stack for the current thread
|
|
|
*
|
|
|
* \return \herr_t
|
|
|
*
|
|
|
* \deprecated 1.8.0 Function H5Eclear() renamed to H5Eclear1() and deprecated
|
|
|
* in this release.
|
|
|
*
|
|
|
* \details H5Eclear1() clears the error stack for the current thread.\n
|
|
|
* The stack is also cleared whenever an API function is called, with
|
|
|
* certain exceptions (for instance, H5Eprint1()).
|
|
|
*
|
|
|
*/
|
|
|
H5_DLL herr_t H5Eclear1(void);
|
|
|
/**
|
|
|
* --------------------------------------------------------------------------
|
|
|
* \ingroup H5E
|
|
|
*
|
|
|
* \brief Returns the current settings for the automatic error stack traversal
|
|
|
* function and its data
|
|
|
*
|
|
|
* \param[out] func Current setting for the function to be called upon an error
|
|
|
* condition
|
|
|
* \param[out] client_data Current setting for the data passed to the error
|
|
|
* function
|
|
|
* \return \herr_t
|
|
|
*
|
|
|
* \deprecated 1.8.0 Function H5Eget_auto() renamed to H5Eget_auto1() and
|
|
|
* deprecated in this release.
|
|
|
*
|
|
|
* \details H5Eget_auto1() returns the current settings for the automatic error
|
|
|
* stack traversal function, \p func, and its data,
|
|
|
* \p client_data. Either or both arguments may be \c NULL, in which case the
|
|
|
* value is not returned.
|
|
|
*
|
|
|
* The library initializes its default error stack traversal functions
|
|
|
* to H5Eprint1() and H5Eprint2(). A call to H5Eget_auto2() returns
|
|
|
* H5Eprint2() or the user-defined function passed in through
|
|
|
* H5Eset_auto2(). A call to H5Eget_auto1() returns H5Eprint1() or the
|
|
|
* user-defined function passed in through H5Eset_auto1(). However, if
|
|
|
* the application passes in a user-defined function through
|
|
|
* H5Eset_auto1(), it should call H5Eget_auto1() to query the traversal
|
|
|
* function. If the application passes in a user-defined function
|
|
|
* through H5Eset_auto2(), it should call H5Eget_auto2() to query the
|
|
|
* traversal function.
|
|
|
*
|
|
|
* Mixing the new style and the old style functions will cause a
|
|
|
* failure. For example, if the application sets a user-defined
|
|
|
* old-style traversal function through H5Eset_auto1(), a call to
|
|
|
* H5Eget_auto2() will fail and will indicate that the application has
|
|
|
* mixed H5Eset_auto1() and H5Eget_auto2(). On the other hand, mixing
|
|
|
* H5Eset_auto2() and H5Eget_auto1() will also cause a failure. But if
|
|
|
* the traversal functions are the library’s default H5Eprint1() or
|
|
|
* H5Eprint2(), mixing H5Eset_auto1() and H5Eget_auto2() or mixing
|
|
|
* H5Eset_auto2() and H5Eget_auto1() does not fail.
|
|
|
*
|
|
|
*/
|
|
|
H5_DLL herr_t H5Eget_auto1(H5E_auto1_t *func, void **client_data);
|
|
|
/**
|
|
|
* --------------------------------------------------------------------------
|
|
|
* \ingroup H5E
|
|
|
*
|
|
|
* \brief Pushes a new error record onto the error stack
|
|
|
*
|
|
|
* \param[in] file Name of the file in which the error was detected
|
|
|
* \param[in] func Name of the function in which the error was detected
|
|
|
* \param[in] line Line number in the file where the error was detected
|
|
|
* \param[in] maj Major error identifier
|
|
|
* \param[in] min Minor error identifier
|
|
|
* \param[in] str Error description string
|
|
|
* \return \herr_t
|
|
|
*
|
|
|
* \deprecated 1.8.0 Function H5Epush() renamed to H5Epush1() and
|
|
|
* deprecated in this release.
|
|
|
*
|
|
|
* \details H5Epush1() pushes a new error record onto the error stack for the
|
|
|
* current thread.\n
|
|
|
* The error has major and minor numbers \p maj_num
|
|
|
* and \p min_num, the function \p func where the error was detected, the
|
|
|
* name of the file \p file where the error was detected, the line \p line
|
|
|
* within that file, and an error description string \p str.\n
|
|
|
* The function name, filename, and error description strings must be statically
|
|
|
* allocated.
|
|
|
*
|
|
|
* \since 1.4.0
|
|
|
*/
|
|
|
H5_DLL herr_t H5Epush1(const char *file, const char *func, unsigned line, H5E_major_t maj, H5E_minor_t min,
|
|
|
const char *str);
|
|
|
/**
|
|
|
* --------------------------------------------------------------------------
|
|
|
* \ingroup H5E
|
|
|
*
|
|
|
* \brief Prints the current error stack in a default manner
|
|
|
*
|
|
|
* \param[in] stream File pointer, or \c NULL for \c stderr
|
|
|
* \return \herr_t
|
|
|
*
|
|
|
* \deprecated 1.8.0 Function H5Eprint() renamed to H5Eprint1() and
|
|
|
* deprecated in this release.
|
|
|
*
|
|
|
* \details H5Eprint1() prints prints the error stack for the current thread
|
|
|
* on the specified stream, \p stream. Even if the error stack is empty, a
|
|
|
* one-line message of the following form will be printed:
|
|
|
* \code{.unparsed}
|
|
|
* HDF5-DIAG: Error detected in thread 0.
|
|
|
* \endcode
|
|
|
* H5Eprint1() is a convenience function for H5Ewalk1() with a function
|
|
|
* that prints error messages. Users are encouraged to write their own
|
|
|
* more specific error handlers.
|
|
|
*
|
|
|
*/
|
|
|
H5_DLL herr_t H5Eprint1(FILE *stream);
|
|
|
/**
|
|
|
* --------------------------------------------------------------------------
|
|
|
* \ingroup H5E
|
|
|
*
|
|
|
* \brief Turns automatic error printing on or off
|
|
|
*
|
|
|
* \param[in] func Function to be called upon an error condition
|
|
|
* \param[in] client_data Data passed to the error function
|
|
|
* \return \herr_t
|
|
|
*
|
|
|
* \deprecated 1.8.0 Function H5Eset_auto() renamed to H5Eset_auto1() and
|
|
|
* deprecated in this release.
|
|
|
*
|
|
|
* \details H5Eset_auto1() turns on or off automatic printing of errors. When
|
|
|
* turned on (non-null \p func pointer), any API function which returns
|
|
|
* an error indication will first call \p func, passing it \p
|
|
|
* client_data as an argument.
|
|
|
*
|
|
|
* \p func, a function conforming to the #H5E_auto1_t prototype, is
|
|
|
* defined in the H5Epublic.h source code file as:
|
|
|
* \snippet this H5E_auto1_t_snip
|
|
|
*
|
|
|
* When the library is first initialized, the auto printing function is
|
|
|
* set to H5Eprint1() (cast appropriately) and \p client_data is the
|
|
|
* standard error stream pointer, \c stderr.
|
|
|
*
|
|
|
* Automatic stack traversal is always in the #H5E_WALK_DOWNWARD
|
|
|
* direction.
|
|
|
*
|
|
|
*/
|
|
|
H5_DLL herr_t H5Eset_auto1(H5E_auto1_t func, void *client_data);
|
|
|
/**
|
|
|
* --------------------------------------------------------------------------
|
|
|
* \ingroup H5E
|
|
|
*
|
|
|
* \brief Walks the current error stack, calling the specified function
|
|
|
*
|
|
|
* \param[in] direction Direction in which the error stack is to be walked
|
|
|
* \param[in] func Function to be called for each error encountered
|
|
|
* \param[in] client_data Data to be passed to \p func
|
|
|
* \return \herr_t
|
|
|
*
|
|
|
* \deprecated 1.8.0 Function H5Ewalk() renamed to H5Ewalk1() and
|
|
|
* deprecated in this release.
|
|
|
*
|
|
|
* \details H5Ewalk1() walks the error stack for the current thread and calls
|
|
|
* the function specified in \p func for each error along the way.
|
|
|
*
|
|
|
* \p direction specifies whether the stack is walked from the inside
|
|
|
* out or the outside in. A value of #H5E_WALK_UPWARD means to begin
|
|
|
* with the most specific error and end at the API; a value of
|
|
|
* #H5E_WALK_DOWNWARD means to start at the API and end at the
|
|
|
* innermost function where the error was first detected.
|
|
|
*
|
|
|
* \p func, a function conforming to the #H5E_walk1_t prototype, will
|
|
|
* be called for each error in the error stack. Its arguments will
|
|
|
* include an index number \c n (beginning at zero regardless of stack
|
|
|
* traversal direction), an error stack entry \c err_desc, and the \c
|
|
|
* client_data pointer passed to H5Eprint(). The #H5E_walk1_t prototype
|
|
|
* is as follows:
|
|
|
* \snippet this H5E_walk1_t_snip
|
|
|
*
|
|
|
*/
|
|
|
H5_DLL herr_t H5Ewalk1(H5E_direction_t direction, H5E_walk1_t func, void *client_data);
|
|
|
/**
|
|
|
* --------------------------------------------------------------------------
|
|
|
* \ingroup H5E
|
|
|
*
|
|
|
* \brief Returns a character string describing an error specified by a major
|
|
|
* error number
|
|
|
*
|
|
|
* \param[in] maj Major error number
|
|
|
* \return \herr_t
|
|
|
*
|
|
|
* \deprecated 1.8.0 Function deprecated in this release.
|
|
|
*
|
|
|
* \details H5Eget_major() returns a constant
|
|
|
* character string that describes the error, given a major error number.
|
|
|
*
|
|
|
* \attention This function returns a dynamically allocated string (\c char
|
|
|
* array). An application calling this function must free the memory
|
|
|
* associated with the return value to prevent a memory leak.
|
|
|
*
|
|
|
*/
|
|
|
H5_DLL char *H5Eget_major(H5E_major_t maj);
|
|
|
/**
|
|
|
* --------------------------------------------------------------------------
|
|
|
* \ingroup H5E
|
|
|
*
|
|
|
* \brief Returns a character string describing an error specified by a minor
|
|
|
* error number
|
|
|
*
|
|
|
* \param[in] min Minor error number
|
|
|
* \return \herr_t
|
|
|
*
|
|
|
* \deprecated 1.8.0 Function deprecated and return type changed in this release.
|
|
|
*
|
|
|
* \details H5Eget_minor() returns a constant
|
|
|
* character string that describes the error, given a minor error number.
|
|
|
*
|
|
|
* \attention In the Release 1.8.x series, H5Eget_minor() returns a string of
|
|
|
* dynamic allocated \c char array. An application calling this
|
|
|
* function from an HDF5 library of Release 1.8.0 or later must free
|
|
|
* the memory associated with the return value to prevent a memory
|
|
|
* leak. This is a change from the 1.6.x release series.
|
|
|
*
|
|
|
*/
|
|
|
H5_DLL char *H5Eget_minor(H5E_minor_t min);
|
|
|
#endif /* H5_NO_DEPRECATED_SYMBOLS */
|
|
|
|
|
|
#ifdef __cplusplus
|
|
|
}
|
|
|
#endif
|
|
|
|
|
|
#endif /* end H5Epublic_H */
|