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wsrep-lib/include/wsrep/assert.hpp
Jan Lindström b65ec6d643 WIP: New wsrep-lib informative assert
Example:
2023-08-31  8:26:32 1 [ERROR] WSREP: Assertion: '(0 && (state() == s_preparing || (is_xa() && state() == s_replaying) || (ret && (state() == s_must_abort || state() == s_must_replay || state() == s_cert_failed || state() == s_aborted))))' failed in: /home/jan/work/mariadb/10.4/wsrep-lib/src/transaction.cpp:387 Info: ::before_prepare_leave : ret=0 error=success state=preparing
2023-09-01 10:39:59 +03:00

80 lines
2.4 KiB
C++

/*
* Copyright (C) 2023 Codership Oy <info@codership.com>
*
* This file is part of wsrep-lib.
*
* Wsrep-lib 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, either version 2 of the License, or
* (at your option) any later version.
*
* Wsrep-lib 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 wsrep-lib. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef WSREP_ASSERT_HPP
#define WSREP_ASSERT_HPP
/** @file assert.hpp
*
* Wsrep library informative assert.
*/
#include <assert.h>
/**
* Function to do informative assert with actual file name,
* line and formatted info text.
*
* @param expr Assertion expression string
* @param file File name string
* @param line File line number
* @param info Formatted info text
*
*/
void wsrep_info_assert(const char* expr, const char* file, const int line, const char* info);
/**
* Function to create informative text from format
* and variable number of parameters
*
* @param format strict
* @param ... variable number of parameters
*
* @retval Formated informative text
*
*/
char* wsrep_info_assert_text(const char* format, ...);
/**
* Macro for informative assert. First actual expression
* is printed and then informative text provided by
* developer.
*
* @param exp assertion expression
* @param p Informative text format and parameters
*
* usage : WSREP_INFO_ASSERT((EXPR), (format, format_param,...))
* example : WSREP_INFO_ASSERT(0, ("This is always false=%d", 0));
*
*/
#ifdef NDEBUG
#define WSREP_INFO_ASSERT(exp, p) (__ASSERT_VOID_CAST (0))
#else
#define WSREP_INFO_ASSERT(exp, p) do { \
if (__builtin_expect((!(exp)), false)) \
{ \
wsrep_info_assert(#exp, __FILE__, __LINE__, \
wsrep_info_assert_text p); \
assert(exp); \
} \
} while (0)
#endif // NDEBUG
#endif // WSREP_ASSERT_HPP