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
|
#ifndef DEBUG_SYNC_INCLUDED
#define DEBUG_SYNC_INCLUDED
/* Copyright (C) 2008 Sun Microsystems, Inc.
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
/**
@file
Declarations for the Debug Sync Facility. See debug_sync.cc for details.
*/
#ifdef USE_PRAGMA_INTERFACE
#pragma interface /* gcc class implementation */
#endif
#include <my_global.h>
class THD;
#if defined(ENABLED_DEBUG_SYNC)
/* Macro to be put in the code at synchronization points. */
#define DEBUG_SYNC(_thd_, _sync_point_name_) \
do { if (unlikely(opt_debug_sync_timeout)) \
debug_sync(_thd_, STRING_WITH_LEN(_sync_point_name_)); \
} while (0)
/* Command line option --debug-sync-timeout. See mysqld.cc. */
extern uint opt_debug_sync_timeout;
/* Default WAIT_FOR timeout if command line option is given without argument. */
#define DEBUG_SYNC_DEFAULT_WAIT_TIMEOUT 300
/* Debug Sync prototypes. See debug_sync.cc. */
extern int debug_sync_init(void);
extern void debug_sync_end(void);
extern void debug_sync_init_thread(THD *thd);
extern void debug_sync_end_thread(THD *thd);
extern void debug_sync(THD *thd, const char *sync_point_name, size_t name_len);
#else /* defined(ENABLED_DEBUG_SYNC) */
#define DEBUG_SYNC(_thd_, _sync_point_name_) /* disabled DEBUG_SYNC */
#endif /* defined(ENABLED_DEBUG_SYNC) */
#endif /* DEBUG_SYNC_INCLUDED */
|
