forked from facebook/mysql-5.6
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathmy_dbug.h
206 lines (190 loc) · 8.01 KB
/
my_dbug.h
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
/* Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
#ifndef MY_DBUG_INCLUDED
#define MY_DBUG_INCLUDED
#ifndef __WIN__
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <signal.h>
#endif /* not __WIN__ */
#ifdef __cplusplus
extern "C" {
#endif
#if !defined(DBUG_OFF) && !defined(_lint)
struct _db_stack_frame_ {
const char *func; /* function name of the previous stack frame */
const char *file; /* filename of the function of previous frame */
uint level; /* this nesting level, highest bit enables tracing */
struct _db_stack_frame_ *prev; /* pointer to the previous frame */
};
struct _db_code_state_;
extern MYSQL_PLUGIN_IMPORT my_bool _dbug_on_;
extern my_bool _db_keyword_(struct _db_code_state_ *, const char *, int);
extern int _db_explain_(struct _db_code_state_ *cs, char *buf, size_t len);
extern int _db_explain_init_(char *buf, size_t len);
extern int _db_is_pushed_(void);
extern void _db_setjmp_(void);
extern void _db_longjmp_(void);
extern void _db_process_(const char *name);
extern void _db_push_(const char *control);
extern void _db_pop_(void);
extern void _db_set_(const char *control);
extern void _db_set_init_(const char *control);
extern void _db_enter_(const char *_func_, const char *_file_, uint _line_,
struct _db_stack_frame_ *_stack_frame_);
extern void _db_return_(uint _line_, struct _db_stack_frame_ *_stack_frame_);
extern void _db_pargs_(uint _line_,const char *keyword);
extern int _db_enabled_();
extern void _db_doprnt_(const char *format,...)
ATTRIBUTE_FORMAT(printf, 1, 2);
extern void _db_dump_(uint _line_,const char *keyword,
const unsigned char *memory, size_t length);
extern void _db_end_(void);
extern void _db_lock_file_(void);
extern void _db_unlock_file_(void);
extern FILE *_db_fp_(void);
extern void _db_flush_();
extern const char* _db_get_func_(void);
#define DBUG_ENTER(a) struct _db_stack_frame_ _db_stack_frame_; \
_db_enter_ (a,__FILE__,__LINE__,&_db_stack_frame_)
#define DBUG_LEAVE _db_return_ (__LINE__, &_db_stack_frame_)
#define DBUG_RETURN(a1) do {DBUG_LEAVE; return(a1);} while(0)
#define DBUG_VOID_RETURN do {DBUG_LEAVE; return;} while(0)
#define DBUG_EXECUTE(keyword,a1) \
do {if (_db_keyword_(0, (keyword), 0)) { a1 }} while(0)
#define DBUG_EXECUTE_IF(keyword,a1) \
do {if (_db_keyword_(0, (keyword), 1)) { a1 }} while(0)
#define DBUG_EVALUATE(keyword,a1,a2) \
(_db_keyword_(0,(keyword), 0) ? (a1) : (a2))
#define DBUG_EVALUATE_IF(keyword,a1,a2) \
(_db_keyword_(0,(keyword), 1) ? (a1) : (a2))
#define DBUG_PRINT(keyword,arglist) \
do \
{ \
if (_dbug_on_) \
{ \
_db_pargs_(__LINE__,keyword); \
if (_db_enabled_()) \
{ \
_db_doprnt_ arglist; \
} \
} \
} while(0)
#define DBUG_PUSH(a1) _db_push_ (a1)
#define DBUG_POP() _db_pop_ ()
#define DBUG_SET(a1) _db_set_ (a1)
#define DBUG_SET_INITIAL(a1) _db_set_init_ (a1)
#define DBUG_PROCESS(a1) _db_process_(a1)
#define DBUG_FILE _db_fp_()
#define DBUG_SETJMP(a1) (_db_setjmp_ (), setjmp (a1))
#define DBUG_LONGJMP(a1,a2) (_db_longjmp_ (), longjmp (a1, a2))
#define DBUG_DUMP(keyword,a1,a2) _db_dump_(__LINE__,keyword,a1,a2)
#define DBUG_END() _db_end_ ()
#define DBUG_LOCK_FILE _db_lock_file_()
#define DBUG_UNLOCK_FILE _db_unlock_file_()
#define DBUG_ASSERT(A) assert(A)
#define DBUG_EXPLAIN(buf,len) _db_explain_(0, (buf),(len))
#define DBUG_EXPLAIN_INITIAL(buf,len) _db_explain_init_((buf),(len))
#define DEBUGGER_OFF do { _dbug_on_= 0; } while(0)
#define DEBUGGER_ON do { _dbug_on_= 1; } while(0)
#ifndef __WIN__
#define DBUG_ABORT() (_db_flush_(), abort())
#else
/*
Avoid popup with abort/retry/ignore buttons. When BUG#31745 is fixed we can
call abort() instead of _exit(3) (now it would cause a "test signal" popup).
*/
#include <crtdbg.h>
#define DBUG_ABORT() (_db_flush_(),\
(void)_CrtSetReportMode(_CRT_ERROR, _CRTDBG_MODE_FILE),\
(void)_CrtSetReportFile(_CRT_ERROR, _CRTDBG_FILE_STDERR),\
_exit(3))
#endif
#define DBUG_CHECK_CRASH(func, op) \
do { char _dbuf_[255]; strxnmov(_dbuf_, sizeof(_dbuf_)-1, (func), (op)); \
DBUG_EXECUTE_IF(_dbuf_, DBUG_ABORT()); } while(0)
#define DBUG_CRASH_ENTER(func) \
DBUG_ENTER(func); DBUG_CHECK_CRASH(func, "_crash_enter")
#define DBUG_CRASH_RETURN(val) \
DBUG_CHECK_CRASH(_db_get_func_(), "_crash_return")
#define DBUG_CRASH_VOID_RETURN \
DBUG_CHECK_CRASH (_db_get_func_(), "_crash_return")
/*
Make the program fail, without creating a core file.
abort() will send SIGABRT which (most likely) generates core.
Use SIGKILL instead, which cannot be caught.
We also pause the current thread, until the signal is actually delivered.
An alternative would be to use _exit(EXIT_FAILURE),
but then valgrind would report lots of memory leaks.
*/
#ifdef __WIN__
#define DBUG_SUICIDE() DBUG_ABORT()
#else
extern void _db_suicide_();
extern void _db_flush_gcov_();
#define DBUG_SUICIDE() (_db_flush_(), _db_suicide_())
#endif
#else /* No debugger */
#define DBUG_ENTER(a1)
#define DBUG_LEAVE
#define DBUG_RETURN(a1) do { return(a1); } while(0)
#define DBUG_VOID_RETURN do { return; } while(0)
#define DBUG_EXECUTE(keyword,a1) do { } while(0)
#define DBUG_EXECUTE_IF(keyword,a1) do { } while(0)
#define DBUG_EVALUATE(keyword,a1,a2) (a2)
#define DBUG_EVALUATE_IF(keyword,a1,a2) (a2)
#define DBUG_PRINT(keyword,arglist) do { } while(0)
#define DBUG_PUSH(a1) do { } while(0)
#define DBUG_SET(a1) do { } while(0)
#define DBUG_SET_INITIAL(a1) do { } while(0)
#define DBUG_POP() do { } while(0)
#define DBUG_PROCESS(a1) do { } while(0)
#define DBUG_SETJMP(a1) setjmp(a1)
#define DBUG_LONGJMP(a1) longjmp(a1)
#define DBUG_DUMP(keyword,a1,a2) do { } while(0)
#define DBUG_END() do { } while(0)
#define DBUG_ASSERT(A) do { } while(0)
#define DBUG_LOCK_FILE do { } while(0)
#define DBUG_FILE (stderr)
#define DBUG_UNLOCK_FILE do { } while(0)
#define DBUG_EXPLAIN(buf,len)
#define DBUG_EXPLAIN_INITIAL(buf,len)
#define DEBUGGER_OFF do { } while(0)
#define DEBUGGER_ON do { } while(0)
#define DBUG_ABORT() do { } while(0)
#define DBUG_CRASH_ENTER(func)
#define DBUG_CRASH_RETURN(val) do { return(val); } while(0)
#define DBUG_CRASH_VOID_RETURN do { return; } while(0)
#define DBUG_SUICIDE() do { } while(0)
#endif
#ifdef EXTRA_DEBUG
/**
Sync points allow us to force the server to reach a certain line of code
and block there until the client tells the server it is ok to go on.
The client tells the server to block with SELECT GET_LOCK()
and unblocks it with SELECT RELEASE_LOCK(). Used for debugging difficult
concurrency problems
*/
#define DBUG_SYNC_POINT(lock_name,lock_timeout) \
debug_sync_point(lock_name,lock_timeout)
void debug_sync_point(const char* lock_name, uint lock_timeout);
#else
#define DBUG_SYNC_POINT(lock_name,lock_timeout)
#endif /* EXTRA_DEBUG */
#ifdef __cplusplus
}
#endif
#endif /* MY_DBUG_INCLUDED */