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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
|
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
/*
*@@sourcefile except.h:
* header file for except.c. See remarks there.
*
* Note: Version numbering in this file relates to XWorkplace version
* numbering.
*
*@@include #define INCL_DOSEXCEPTIONS
*@@include #define INCL_DOSPROCESS
*@@include #include <os2.h>
*@@include #include <stdio.h>
*@@include #include <setjmp.h>
*@@include #include "helpers\except.h"
*/
/*
* Copyright (C) 1999-2000 Ulrich M�ller.
*
* 2009-06-15 published under LGPL3 with Ulrich M�ller permission.
*
*/
#if __cplusplus
extern "C" {
#endif
#ifndef EXCEPT_HEADER_INCLUDED
#define EXCEPT_HEADER_INCLUDED
#if defined __IBMCPP__ || defined __IBMC__
#ifndef INCL_DOSEXCEPTIONS
#error except.h requires INCL_DOSEXCEPTIONS to be defined.
#endif
#ifndef INCL_DOSPROCESS
#error except.h requires INCL_DOSPROCESS to be defined.
#endif
#ifndef __stdio_h
#error except.h requires stdio.h to be included.
#endif
#ifndef __setjmp_h
#error except.h requires setjmp.h to be included.
#endif
#endif
/********************************************************************
*
* Declarations
*
********************************************************************/
// forward declaration
typedef struct _EXCEPTIONREGISTRATIONRECORD2 *PEXCEPTIONREGISTRATIONRECORD2;
// "OnKill" function prototype for EXCEPTIONREGISTRATIONRECORD2
// added V0.9.0 (99-10-22) [umoeller]
// removed V0.9.7 (2000-12-08) [umoeller]
// typedef VOID APIENTRY FNEXCONKILL(PEXCEPTIONREGISTRATIONRECORD2);
// typedef FNEXCONKILL *PFNEXCONKILL;
/*
*@@ EXCEPTIONREGISTRATIONRECORD2:
* replacement EXCEPTIONREGISTRATIONRECORD
* struct for thread exception handling.
*
*@@changed V0.9.0 (99-10-22) [umoeller]: pfnOnKill added
*@@changed V0.9.0 (99-10-22) [umoeller]: renamed from REGREC2
*/
typedef struct _EXCEPTIONREGISTRATIONRECORD2
{
PVOID pNext; // as in EXCEPTIONREGISTRATIONRECORD
PFN pfnHandler; // as in EXCEPTIONREGISTRATIONRECORD
jmp_buf jmpThread; // additional buffer for setjmp
EXCEPTIONREPORTRECORD err; // exception handlers copy the report rec here
PVOID pvUser; // user ptr
} EXCEPTIONREGISTRATIONRECORD2;
/*
*@@ EXCEPTSTRUCT:
* structure used with TRY_xxx macros.
*/
typedef struct _EXCEPTSTRUCT
{
EXCEPTIONREGISTRATIONRECORD2 RegRec2;
ULONG ulExcpt; // != NULL if exception caught
APIRET arc; // rc of DosSetExceptionHandler
} EXCEPTSTRUCT, *PEXCEPTSTRUCT;
// function prototypes for exception hooks (V0.9.0)
// "open traplog file" hook
typedef FILE* APIENTRY FNEXCOPENFILE(VOID);
typedef FNEXCOPENFILE *PFNEXCOPENFILE;
// "exception" hook
typedef VOID APIENTRY FNEXCHOOK(FILE*, PTIB, ULONG); // V0.9.16 (2001-12-02) [pr]
typedef FNEXCHOOK *PFNEXCHOOK;
// "error" hook
typedef VOID APIENTRY FNEXCHOOKERROR(const char *pcszFile,
ULONG ulLine,
const char *pcszFunction,
APIRET arc);
typedef FNEXCHOOKERROR *PFNEXCHOOKERROR;
/********************************************************************
*
* Prototypes
*
********************************************************************/
VOID excExplainException(FILE *file,
PSZ pszHandlerName,
PEXCEPTIONREPORTRECORD pReportRec,
PCONTEXTRECORD pContextRec);
VOID excRegisterHooks(PFNEXCOPENFILE pfnExcOpenFileNew,
PFNEXCHOOK pfnExcHookNew,
PFNEXCHOOKERROR pfnExcHookError,
BOOL fBeepOnExceptionNew);
ULONG _System excHandlerLoud(PEXCEPTIONREPORTRECORD pReportRec,
PEXCEPTIONREGISTRATIONRECORD2 pRegRec2,
PCONTEXTRECORD pContextRec,
PVOID pv);
ULONG _System excHandlerQuiet(PEXCEPTIONREPORTRECORD pReportRec,
PEXCEPTIONREGISTRATIONRECORD2 pRegRec2,
PCONTEXTRECORD pContextRec,
PVOID pv);
extern PFNEXCHOOKERROR G_pfnExcHookError;
extern ULONG G_ulExplainExceptionRunning;
/********************************************************************
*
* Macros
*
********************************************************************/
/* See except.c for explanations how to use these. */
#ifdef __NO_EXCEPTION_HANDLERS__
// exception handlers can completely be disabled
#define TRY_LOUD(excptstruct)
#else
#ifdef __NO_LOUD_EXCEPTION_HANDLERS__
#define TRY_LOUD(e) TRY_QUIET(e)
#else // __NO_LOUD_EXCEPTION_HANDLERS__
#define TRY_LOUD(excptstruct) \
{ \
EXCEPTSTRUCT excptstruct = {0}; \
excptstruct.RegRec2.pfnHandler = (PFN)excHandlerLoud; \
excptstruct.arc = DosSetExceptionHandler( \
(PEXCEPTIONREGISTRATIONRECORD)&(excptstruct.RegRec2)); \
if (excptstruct.arc) \
if (G_pfnExcHookError) \
G_pfnExcHookError(__FILE__, __LINE__, __FUNCTION__, excptstruct.arc); \
else \
DosBeep(1000, 1000); \
excptstruct.ulExcpt = setjmp(excptstruct.RegRec2.jmpThread); \
if (excptstruct.ulExcpt == 0) \
{
#endif // __NO_LOUD_EXCEPTION_HANDLERS__
#endif
#ifdef __NO_EXCEPTION_HANDLERS__
// exception handlers can completely be disabled
#define TRY_QUIET(excptstruct)
#else
#define TRY_QUIET(excptstruct) \
{ \
EXCEPTSTRUCT excptstruct = {0}; \
excptstruct.RegRec2.pfnHandler = (PFN)excHandlerQuiet; \
excptstruct.arc = DosSetExceptionHandler( \
(PEXCEPTIONREGISTRATIONRECORD)&(excptstruct.RegRec2)); \
if (excptstruct.arc) \
if (G_pfnExcHookError) \
G_pfnExcHookError(__FILE__, __LINE__, __FUNCTION__, excptstruct.arc); \
else \
DosBeep(1000, 1000); \
excptstruct.ulExcpt = setjmp(excptstruct.RegRec2.jmpThread); \
if (excptstruct.ulExcpt == 0) \
{
#endif
#ifdef __NO_EXCEPTION_HANDLERS__
// exception handlers can completely be disabled
#define CATCH(excptstruct) if (FALSE) {
#else
#define CATCH(excptstruct) \
DosUnsetExceptionHandler( \
(PEXCEPTIONREGISTRATIONRECORD)&(excptstruct.RegRec2)); \
} /* end of TRY block */ \
else \
{ /* exception occured: */ \
DosUnsetExceptionHandler((PEXCEPTIONREGISTRATIONRECORD)&(excptstruct.RegRec2));
#endif
#ifdef __NO_EXCEPTION_HANDLERS__
// exception handlers can completely be disabled
#define END_CATCH() }
#else
#define END_CATCH() \
} /* end of exception-occured block */ \
}
#endif
/*
* CRASH:
* this macro is helpful for testing
* the exception handlers.
* This is not for general use. ;-)
*/
#define CRASH {PSZ p = NULL; *p = 'a'; }
#endif // EXCEPT_HEADER_INCLUDED
#if __cplusplus
}
#endif
|
