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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. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Header file for error values, etc.
*/
#ifndef _H5Eprivate_H
#define _H5Eprivate_H
#include "H5Epublic.h"
/* Private headers needed by this file */
#include "H5private.h"
/* Typedef for error stack (defined in H5Epkg.h) */
typedef struct H5E_t H5E_t;
/*
* 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_id, min_id, ...) H5E_printf_stack(NULL, __FILE__, FUNC, __LINE__, H5E_ERR_CLS_g, maj_id, min_id, __VA_ARGS__)
/*
* HCOMMON_ERROR macro, used by HDONE_ERROR and HGOTO_ERROR
* (Shouldn't need to be used outside this header file)
*/
#define HCOMMON_ERROR(maj, min, ...) \
HERROR(maj, min, __VA_ARGS__); \
err_occurred = TRUE; \
err_occurred = err_occurred; /* Shut GCC warnings up! */
/*
* HDONE_ERROR macro, used to facilitate error reporting between a
* FUNC_ENTER() and a FUNC_LEAVE() within a function body, but _AFTER_ the
* "done:" label. The arguments are
* the major error number, the minor error number, a return value, and a
* description of the error.
* (This macro can also be used to push an error and set the return value
* without jumping to any labels)
*/
#define HDONE_ERROR(maj, min, ret_val, ...) { \
HCOMMON_ERROR(maj, min, __VA_ARGS__); \
ret_value = 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, ...) { \
HCOMMON_ERROR(maj, min, __VA_ARGS__); \
HGOTO_DONE(ret_val) \
}
/*
* HGOTO_ERROR_TAG macro, used like HGOTO_ERROR between H5_BEGIN_TAG and
* H5_END_TAG statements. Resets the metadata tag before leaving the function.
*/
#define HGOTO_ERROR_TAG(maj, min, ret_val, ...) { \
if(H5AC_tag(my_dxpl_id, prv_tag, NULL) < 0) \
HERROR(H5E_CACHE, H5E_CANTTAG, "unable to apply metadata tag"); \
HCOMMON_ERROR(maj, min, __VA_ARGS__); \
HGOTO_DONE(ret_val) \
}
/*
* 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;}
/*
* HGOTO_DONE_TAG macro, used like HGOTO_DONE between H5_BEGIN_TAG and
* H5_END_TAG statements. Resets the metadata tag before leaving the function.
*/
#define HGOTO_DONE_TAG(ret_val, err) { \
if(H5AC_tag(my_dxpl_id, prv_tag, NULL) < 0) \
HGOTO_ERROR(H5E_CACHE, H5E_CANTTAG, err, "unable to apply metadata tag") \
HGOTO_DONE(ret_val) \
}
/*
* Macros handling system error messages as described in C standard.
* These macros assume errnum is a valid system error code.
*/
/* Retrieve the error code description string and push it onto the error
* stack.
*/
#define HSYS_DONE_ERROR(majorcode, minorcode, retcode, str) { \
int myerrno = errno; \
HDONE_ERROR(majorcode, minorcode, retcode, "%s, errno = %d, error message = '%s'", str, myerrno, HDstrerror(myerrno)); \
}
#define HSYS_GOTO_ERROR(majorcode, minorcode, retcode, str) { \
int myerrno = errno; \
HGOTO_ERROR(majorcode, minorcode, retcode, "%s, errno = %d, error message = '%s'", str, myerrno, HDstrerror(myerrno)); \
}
#ifdef H5_HAVE_PARALLEL
/*
* MPI error handling macros.
*/
extern char H5E_mpi_error_str[MPI_MAX_ERROR_STRING];
extern int H5E_mpi_error_str_len;
#define HMPI_ERROR(mpierr){ \
MPI_Error_string(mpierr, H5E_mpi_error_str, &H5E_mpi_error_str_len); \
HERROR(H5E_INTERNAL, H5E_MPIERRSTR, H5E_mpi_error_str); \
}
#define HMPI_DONE_ERROR(retcode, str, mpierr){ \
HMPI_ERROR(mpierr); \
HDONE_ERROR(H5E_INTERNAL, H5E_MPI, retcode, str); \
}
#define HMPI_GOTO_ERROR(retcode, str, mpierr){ \
HMPI_ERROR(mpierr); \
HGOTO_ERROR(H5E_INTERNAL, H5E_MPI, retcode, str); \
}
#endif /* H5_HAVE_PARALLEL */
/******************************************************************************/
/* Revisions to Error Macros, to go with Revisions to FUNC_ENTER/LEAVE Macros */
/******************************************************************************/
/*
* H5E_PRINTF macro, used to facilitate error reporting between a BEGIN_FUNC()
* and an END_FUNC() within a function body. The arguments are the minor
* error number, a description of the error (as a printf-like format string),
* and an optional set of arguments for the printf format arguments.
*/
#define H5E_PRINTF(...) H5E_printf_stack(NULL, __FILE__, FUNC, __LINE__, H5E_ERR_CLS_g, H5_MY_PKG_ERR, __VA_ARGS__)
/*
* H5_LEAVE macro, used to facilitate control flow between a
* BEGIN_FUNC() and an END_FUNC() within a function body. The argument is
* the return value.
* The return value is assigned to a variable `ret_value' and control branches
* to the `catch_except' label, if we're not already past it.
*/
#define H5_LEAVE(v) { \
ret_value = v; \
if(!past_catch) \
goto catch_except; \
}
/*
* H5E_THROW macro, used to facilitate error reporting between a
* FUNC_ENTER() and a FUNC_LEAVE() within a function body. The arguments are
* the minor error number, and an error string.
* The return value is assigned to a variable `ret_value' and control branches
* to the `catch_except' label, if we're not already past it.
*/
#define H5E_THROW(...) { \
H5E_PRINTF(__VA_ARGS__); \
H5_LEAVE(fail_value) \
}
/* Macro for "catching" flow of control when an error occurs. Note that the
* H5_LEAVE macro won't jump back here once it's past this point.
*/
#define CATCH catch_except:; past_catch = TRUE;
/* Library-private functions defined in H5E package */
H5_DLL herr_t H5E_init(void);
H5_DLL herr_t H5E_push_stack(H5E_t *estack, const char *file, const char *func,
unsigned line, hid_t cls_id, hid_t maj_id, hid_t min_id, const char *desc);
H5_DLL herr_t H5E_printf_stack(H5E_t *estack, const char *file, const char *func,
unsigned line, hid_t cls_id, hid_t maj_id, hid_t min_id, const char *fmt, ...);
H5_DLL herr_t H5E_clear_stack(H5E_t *estack);
H5_DLL herr_t H5E_dump_api_stack(hbool_t is_api);
#endif /* _H5Eprivate_H */
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