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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. *
* *
****************************************************************************/
/*
* Header file for error values, etc.
*/
#ifndef _H5Eprivate_H
#define _H5Eprivate_H
#include "H5Epublic.h"
/* Private headers needed by this file */
#include "H5private.h"
#define H5E_NSLOTS 32 /*number of slots in an error stack */
/*
* HERROR macro, used to facilitate error reporting between a FUNC_ENTER()
* and a FUNC_LEAVE() within a function body. The arguments are the major
* error number, the minor error number, and a description of the error.
*/
#define HERROR(maj, min, str) H5E_push(maj, min, FUNC, __FILE__, __LINE__, str)
/*
* HRETURN_ERROR macro, used to facilitate error reporting between a
* FUNC_ENTER() and a FUNC_LEAVE() within a function body. The arguments are
* the major error number, the minor error number, a return value, and a
* description of the error.
*/
#define HRETURN_ERROR(maj, min, ret_val, str) { \
HERROR (maj, min, str); \
PABLO_TRACE_OFF (PABLO_MASK, pablo_func_id); \
H5TRACE_RETURN(ret_val); \
if (H5_IS_API(FUNC) && H5E_auto_g) { \
(H5E_auto_g)(H5E_auto_data_g); \
} \
H5_API_UNLOCK_BEGIN \
H5_API_UNLOCK_END \
H5_API_SET_CANCEL \
return (ret_val); \
}
/*
* HRETURN macro, used to facilitate returning from a function between a
* FUNC_ENTER() and a FUNC_LEAVE() within a function body. The argument is
* the return value.
*/
#define HRETURN(ret_val) { \
PABLO_TRACE_OFF (PABLO_MASK, pablo_func_id); \
H5TRACE_RETURN(ret_val); \
H5_API_UNLOCK_BEGIN \
H5_API_UNLOCK_END \
H5_API_SET_CANCEL \
return (ret_val); \
}
/*
* HGOTO_ERROR macro, used to facilitate error reporting between a
* FUNC_ENTER() and a FUNC_LEAVE() within a function body. The arguments are
* the major error number, the minor error number, the return value, and an
* error string. The return value is assigned to a variable `ret_value' and
* control branches to the `done' label.
*/
#define HGOTO_ERROR(maj, min, ret_val, str) { \
HERROR (maj, min, str); \
H5TRACE_RETURN(ret_val); \
if (H5_IS_API(FUNC) && H5E_auto_g) { \
(H5E_auto_g)(H5E_auto_data_g); \
} \
ret_value = ret_val; \
goto done; \
}
/*
* HGOTO_DONE macro, used to facilitate normal return between a FUNC_ENTER()
* and a FUNC_LEAVE() within a function body. The argument is the return
* value which is assigned to the `ret_value' variable. Control branches to
* the `done' label.
*/
#define HGOTO_DONE(ret_val) {ret_value = ret_val; goto done;}
/*
* The list of error messages in the system is kept as an array of
* error_code/message pairs, one for major error numbers and another for
* minor error numbers.
*/
typedef struct H5E_major_mesg_t {
H5E_major_t error_code;
const char *str;
} H5E_major_mesg_t;
typedef struct H5E_minor_mesg_t {
H5E_minor_t error_code;
const char *str;
} H5E_minor_mesg_t;
/* An error stack */
typedef struct H5E_t {
intn nused; /*num slots currently used in stack */
H5E_error_t slot[H5E_NSLOTS]; /*array of error records */
} H5E_t;
__DLLVAR__ const hbool_t H5E_clearable_g;/*safe to call H5E_clear() on enter?*/
__DLLVAR__ herr_t (*H5E_auto_g)(void *client_data);
__DLLVAR__ void *H5E_auto_data_g;
__DLL__ herr_t H5E_push (H5E_major_t maj_num, H5E_minor_t min_num,
const char *func_name, const char *file_name,
unsigned line, const char *desc);
__DLL__ herr_t H5E_clear (void);
__DLL__ herr_t H5E_walk (H5E_direction_t dir, H5E_walk_t func,
void *client_data);
#endif
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