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
|
/*****************************************************************************
Copyright (c) 1994, 2016, 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 Street, Suite 500, Boston, MA 02110-1335 USA
*****************************************************************************/
/*****************************************************************//**
@file include/ut0dbg.h
Debug utilities for Innobase
Created 1/30/1994 Heikki Tuuri
**********************************************************************/
#ifndef ut0dbg_h
#define ut0dbg_h
#ifdef UNIV_INNOCHECKSUM
#define ut_a assert
#define ut_ad assert
#define ut_error assert(0)
#else /* !UNIV_INNOCHECKSUM */
#include "univ.i"
#include <stdlib.h>
#include "os0thread.h"
#if defined(__GNUC__) && (__GNUC__ > 2)
/** Test if an assertion fails.
@param EXPR assertion expression
@return nonzero if EXPR holds, zero if not */
# define UT_DBG_FAIL(EXPR) UNIV_UNLIKELY(!((ulint)(EXPR)))
#else
/** This is used to eliminate compiler warnings */
extern ulint ut_dbg_zero;
/** Test if an assertion fails.
@param EXPR assertion expression
@return nonzero if EXPR holds, zero if not */
# define UT_DBG_FAIL(EXPR) !((ulint)(EXPR) + ut_dbg_zero)
#endif
/*************************************************************//**
Report a failed assertion. */
UNIV_INTERN
void
ut_dbg_assertion_failed(
/*====================*/
const char* expr, /*!< in: the failed assertion */
const char* file, /*!< in: source file containing the assertion */
ulint line) /*!< in: line number of the assertion */
UNIV_COLD MY_ATTRIBUTE((nonnull(2)));
/** Abort the execution. */
# define UT_DBG_PANIC abort()
/** Abort execution if EXPR does not evaluate to nonzero.
@param EXPR assertion expression that should hold */
#define ut_a(EXPR) do { \
if (UT_DBG_FAIL(EXPR)) { \
ut_dbg_assertion_failed(#EXPR, \
__FILE__, (ulint) __LINE__); \
UT_DBG_PANIC; \
} \
} while (0)
/** Abort execution. */
#define ut_error do { \
ut_dbg_assertion_failed(0, __FILE__, (ulint) __LINE__); \
UT_DBG_PANIC; \
} while (0)
#ifdef UNIV_DEBUG
/** Debug assertion. Does nothing unless UNIV_DEBUG is defined. */
#define ut_ad(EXPR) ut_a(EXPR)
/** Debug statement. Does nothing unless UNIV_DEBUG is defined. */
#define ut_d(EXPR) do {EXPR;} while (0)
#else
/** Debug assertion. Does nothing unless UNIV_DEBUG is defined. */
#define ut_ad(EXPR)
/** Debug statement. Does nothing unless UNIV_DEBUG is defined. */
#define ut_d(EXPR)
#endif
/** Silence warnings about an unused variable by doing a null assignment.
@param A the unused variable */
#define UT_NOT_USED(A) A = A
#ifdef UNIV_COMPILE_TEST_FUNCS
#include <sys/types.h>
#include <sys/time.h>
#include <sys/resource.h>
/** structure used for recording usage statistics */
struct speedo_t {
struct rusage ru; /*!< getrusage() result */
struct timeval tv; /*!< gettimeofday() result */
};
/*******************************************************************//**
Resets a speedo (records the current time in it). */
UNIV_INTERN
void
speedo_reset(
/*=========*/
speedo_t* speedo); /*!< out: speedo */
/*******************************************************************//**
Shows the time elapsed and usage statistics since the last reset of a
speedo. */
UNIV_INTERN
void
speedo_show(
/*========*/
const speedo_t* speedo); /*!< in: speedo */
#endif /* UNIV_COMPILE_TEST_FUNCS */
#endif /* !UNIV_INNOCHECKSUM */
#endif
|
