summaryrefslogtreecommitdiffstats
path: root/src/H5Eprivate.h
blob: 7b1d7ef29ad1b9039b230119f1d3fe8a3352875e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * 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, str) H5E_push_stack(NULL, __FILE__, FUNC, __LINE__, H5E_ERR_CLS_g, maj_id, min_id, str)

/*
 * 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, str)  				              \
   HERROR(maj, min, str);						      \
   (void)H5E_dump_api_stack((hbool_t)H5_IS_API(FUNC));

/*
 * 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, str) {				      \
   HCOMMON_ERROR(maj, min, str);					      \
   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, str) {				      \
   HCOMMON_ERROR(maj, min, str);					      \
   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;}

/* 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);

/*
 * 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_ERROR(errnum) {						      \
    HERROR(H5E_INTERNAL, H5E_SYSERRSTR, HDstrerror(errnum));                  \
}
#define	HSYS_DONE_ERROR(majorcode, minorcode, retcode, str) {		      \
    HSYS_ERROR(errno);							      \
    HDONE_ERROR(majorcode, minorcode, retcode, str);			      \
}
#define	HSYS_GOTO_ERROR(majorcode, minorcode, retcode, str) {		      \
    HSYS_ERROR(errno);							      \
    HGOTO_ERROR(majorcode, minorcode, retcode, str);			      \
}

#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 */

#endif /* _H5Eprivate_H */