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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 files COPYING and Copyright.html. COPYING can be found at the root *
* of the source code distribution tree; Copyright.html can be found at the *
* root level of an installed copy of the electronic HDF5 document set and *
* is linked from the top-level documents page. It can also be found at *
* http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Programmer: Quincey Koziol <koziol@hdfgroup.org>
* Wednesday, April 11, 2007
*
* Purpose: This file contains declarations which are visible only within
* the H5E package. Source files outside the H5E package should
* include H5Eprivate.h instead.
*/
#ifndef H5E_PACKAGE
#error "Do not include this file outside the H5E package!"
#endif
#ifndef _H5Epkg_H
#define _H5Epkg_H
/* Get package's private header */
#include "H5Eprivate.h"
/* Other private headers needed by this file */
/**************************/
/* Package Private Macros */
/**************************/
/* Amount to indent each error */
#define H5E_INDENT 2
/* Number of slots in an error stack */
#define H5E_NSLOTS 32
#ifdef H5_HAVE_THREADSAFE
/*
* The per-thread error stack. pthread_once() initializes a special
* key that will be used by all threads to create a stack specific to
* each thread individually. The association of stacks to threads will
* be handled by the pthread library.
*
* In order for this macro to work, H5E_get_my_stack() must be preceeded
* by "H5E_t *estack =".
*/
#define H5E_get_my_stack() H5E_get_stack()
#else /* H5_HAVE_THREADSAFE */
/*
* The current error stack.
*/
#define H5E_get_my_stack() (H5E_stack_g + 0)
#endif /* H5_HAVE_THREADSAFE */
/****************************/
/* Package Private Typedefs */
/****************************/
/* Some syntactic sugar to make the compiler happy with two different kinds of callbacks */
#ifndef H5_NO_DEPRECATED_SYMBOLS
typedef struct {
unsigned vers; /* Which version callback to use */
hbool_t user_set; /* If the printing function has been set. */
H5E_auto1_t func1; /* Old-style callback, NO error stack param. */
H5E_auto2_t func2; /* New-style callback, with error stack param. */
} H5E_auto_op_t;
#else
typedef struct {
unsigned vers; /* Which version callback to use */
hbool_t user_set; /* If the printing function has been set. */
H5E_auto_t func2; /* Only the new style callback function is available. */
} H5E_auto_op_t;
#endif
/* Some syntactic sugar to make the compiler happy with two different kinds of callbacks */
typedef struct {
unsigned vers; /* Which version callback to use */
union {
#ifndef H5_NO_DEPRECATED_SYMBOLS
H5E_walk1_t func1; /* Old-style callback, NO error stack param. */
#endif /* H5_NO_DEPRECATED_SYMBOLS */
H5E_walk2_t func2; /* New-style callback, with error stack param. */
}u;
} H5E_walk_op_t;
/* Error class */
typedef struct H5E_cls_t {
char *cls_name; /* Name of error class */
char *lib_name; /* Name of library within class */
char *lib_vers; /* Version of library */
} H5E_cls_t;
/* Major or minor message */
typedef struct H5E_msg_t {
char *msg; /* Message for error */
H5E_type_t type; /* Type of error (major or minor) */
H5E_cls_t *cls; /* Which error class this message belongs to */
} H5E_msg_t;
/* Error stack */
struct H5E_t {
size_t nused; /* Num slots currently used in stack */
H5E_error2_t slot[H5E_NSLOTS]; /* Array of error records */
H5E_auto_op_t auto_op; /* Operator for 'automatic' error reporting */
void *auto_data; /* Callback data for 'automatic error reporting */
};
/*****************************/
/* Package Private Variables */
/*****************************/
#ifndef H5_HAVE_THREADSAFE
/*
* The current error stack.
*/
H5_DLLVAR H5E_t H5E_stack_g[1];
#endif /* H5_HAVE_THREADSAFE */
/******************************/
/* Package Private Prototypes */
/******************************/
#ifdef H5_HAVE_THREADSAFE
H5_DLL H5E_t *H5E_get_stack(void);
#endif /* H5_HAVE_THREADSAFE */
H5_DLL ssize_t H5E_get_msg(const H5E_msg_t *msg_ptr, H5E_type_t *type,
char *msg, size_t size);
H5_DLL herr_t H5E_print(const H5E_t *estack, FILE *stream, hbool_t bk_compat);
H5_DLL herr_t H5E_walk(const H5E_t *estack, H5E_direction_t direction,
const H5E_walk_op_t *op, void *client_data);
H5_DLL herr_t H5E_get_auto(const H5E_t *estack, H5E_auto_op_t *op,
void **client_data);
H5_DLL herr_t H5E_set_auto(H5E_t *estack, const H5E_auto_op_t *op,
void *client_data);
H5_DLL herr_t H5E_pop(H5E_t *err_stack, size_t count);
#endif /* _H5HFpkg_H */
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