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/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
#ident "$Id$"
/*
COPYING CONDITIONS NOTICE:
This program is free software; you can redistribute it and/or modify
it under the terms of version 2 of the GNU General Public License as
published by the Free Software Foundation, and provided that the
following conditions are met:
* Redistributions of source code must retain this COPYING
CONDITIONS NOTICE, the COPYRIGHT NOTICE (below), the
DISCLAIMER (below), the UNIVERSITY PATENT NOTICE (below), the
PATENT MARKING NOTICE (below), and the PATENT RIGHTS
GRANT (below).
* Redistributions in binary form must reproduce this COPYING
CONDITIONS NOTICE, the COPYRIGHT NOTICE (below), the
DISCLAIMER (below), the UNIVERSITY PATENT NOTICE (below), the
PATENT MARKING NOTICE (below), and the PATENT RIGHTS
GRANT (below) in the documentation and/or other materials
provided with the distribution.
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, Fifth Floor, Boston, MA
02110-1335 USA.
COPYRIGHT NOTICE:
TokuFT, Tokutek Fractal Tree Indexing Library.
Copyright (C) 2007-2013 Tokutek, Inc.
DISCLAIMER:
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.
UNIVERSITY PATENT NOTICE:
The technology is licensed by the Massachusetts Institute of
Technology, Rutgers State University of New Jersey, and the Research
Foundation of State University of New York at Stony Brook under
United States of America Serial No. 11/760379 and to the patents
and/or patent applications resulting from it.
PATENT MARKING NOTICE:
This software is covered by US Patent No. 8,185,551.
This software is covered by US Patent No. 8,489,638.
PATENT RIGHTS GRANT:
"THIS IMPLEMENTATION" means the copyrightable works distributed by
Tokutek as part of the Fractal Tree project.
"PATENT CLAIMS" means the claims of patents that are owned or
licensable by Tokutek, both currently or in the future; and that in
the absence of this license would be infringed by THIS
IMPLEMENTATION or by using or running THIS IMPLEMENTATION.
"PATENT CHALLENGE" shall mean a challenge to the validity,
patentability, enforceability and/or non-infringement of any of the
PATENT CLAIMS or otherwise opposing any of the PATENT CLAIMS.
Tokutek hereby grants to you, for the term and geographical scope of
the PATENT CLAIMS, a non-exclusive, no-charge, royalty-free,
irrevocable (except as stated in this section) patent license to
make, have made, use, offer to sell, sell, import, transfer, and
otherwise run, modify, and propagate the contents of THIS
IMPLEMENTATION, where such license applies only to the PATENT
CLAIMS. This grant does not include claims that would be infringed
only as a consequence of further modifications of THIS
IMPLEMENTATION. If you or your agent or licensee institute or order
or agree to the institution of patent litigation against any entity
(including a cross-claim or counterclaim in a lawsuit) alleging that
THIS IMPLEMENTATION constitutes direct or contributory patent
infringement, or inducement of patent infringement, then any rights
granted to you under this License shall terminate as of the date
such litigation is filed. If you or your agent or exclusive
licensee institute or order or agree to the institution of a PATENT
CHALLENGE, then Tokutek may terminate any rights granted to you
under this License.
*/
#pragma once
#ident "Copyright (c) 2007-2013 Tokutek Inc. All rights reserved."
#ident "The technology is licensed by the Massachusetts Institute of Technology, Rutgers State University of New Jersey, and the Research Foundation of State University of New York at Stony Brook under United States of America Serial No. 11/760379 and to the patents and/or patent applications resulting from it."
/* The problem with assert.h: If NDEBUG is set then it doesn't execute the function, if NDEBUG isn't set then we get a branch that isn't taken. */
/* This version will complain if NDEBUG is set. */
/* It evaluates the argument and then calls a function toku_do_assert() which takes all the hits for the branches not taken. */
#include <portability/toku_config.h>
#include <stdint.h>
#include <errno.h>
#include <stdio.h>
#ifdef NDEBUG
#error NDEBUG should not be set
#endif
static inline int get_error_errno(void);
static inline int
get_maybe_error_errno(void)
{
return errno;
}
static inline void
set_errno(int new_errno)
{
errno = new_errno;
}
void toku_assert_init(void) __attribute__((constructor));
void toku_assert_set_fpointers(int (*toku_maybe_get_engine_status_text_pointer)(char*, int),
int (*toku_maybe_err_engine_status_pointer)(void),
void (*toku_maybe_set_env_panic_pointer)(int, const char*),
uint64_t num_rows);
void toku_do_assert(int /*expr*/,const char*/*expr_as_string*/,const char */*fun*/,const char*/*file*/,int/*line*/, int/*errno*/) __attribute__((__visibility__("default")));
void toku_do_assert_fail(const char*/*expr_as_string*/,const char */*fun*/,const char*/*file*/,int/*line*/, int/*errno*/) __attribute__((__visibility__("default"))) __attribute__((__noreturn__));
void toku_do_assert_zero_fail(uintptr_t/*expr*/, const char*/*expr_as_string*/,const char */*fun*/,const char*/*file*/,int/*line*/, int/*errno*/) __attribute__((__visibility__("default"))) __attribute__((__noreturn__));
void toku_do_assert_expected_fail(uintptr_t/*expr*/, uintptr_t /*expected*/, const char*/*expr_as_string*/,const char */*fun*/,const char*/*file*/,int/*line*/, int/*errno*/) __attribute__((__visibility__("default"))) __attribute__((__noreturn__));
// Define GCOV if you want to get test-coverage information that ignores the assert statements.
// #define GCOV
extern void (*do_assert_hook)(void); // Set this to a function you want called after printing the assertion failure message but before calling abort(). By default this is NULL.
// copied here from ydb-internal.h to avoid inclusion hell, the void * is really a DB_ENV but we don't have that type here
typedef void (*toku_env_err_func)(const void * env, int error, const char *fmt, ...);
void db_env_do_backtrace_errfunc(toku_env_err_func errfunc, const void *env);
void db_env_do_backtrace(FILE *outf);
#ifdef assert
# undef assert
#endif
#if defined(GCOV)
#define assert(expr) toku_do_assert((expr) != 0, #expr, __FUNCTION__, __FILE__, __LINE__, get_maybe_error_errno())
#define assert_zero(expr) toku_do_assert((expr) == 0, #expr, __FUNCTION__, __FILE__, __LINE__, get_maybe_error_errno())
#define assert_equals(expr, expected) toku_do_assert((expr) == (expected), (expected), #expr, __FUNCTION__, __FILE__, __LINE__, get_maybe_error_errno())
#else
#define assert(expr) ((expr) ? (void)0 : toku_do_assert_fail(#expr, __FUNCTION__, __FILE__, __LINE__, get_maybe_error_errno()))
#define assert_zero(expr) ((expr) == 0 ? (void)0 : toku_do_assert_zero_fail((uintptr_t)(expr), #expr, __FUNCTION__, __FILE__, __LINE__, get_maybe_error_errno()))
#define assert_equals(expr, expected) ((expr) == (expected) ? (void)0 : toku_do_assert_expected_fail((uintptr_t)(expr), (uintptr_t)(expected), #expr, __FUNCTION__, __FILE__, __LINE__, get_maybe_error_errno()))
#define assert_null(expr) ((expr) == nullptr ? (void)0 : toku_do_assert_zero_fail((uintptr_t)(expr), #expr, __FUNCTION__, __FILE__, __LINE__, get_maybe_error_errno()))
#endif
#ifdef GCOV
#define WHEN_GCOV(x) x
#define WHEN_NOT_GCOV(x)
#else
#define WHEN_GCOV(x)
#define WHEN_NOT_GCOV(x) x
#endif
#if !defined(__clang__)
#include <type_traits>
# define ENSURE_POD(type) static_assert(std::is_pod<type>::value, #type " isn't POD")
#else
# define ENSURE_POD(type) // TEMP, clang is much more strict about POD.
#endif
#define lazy_assert(a) assert(a) // indicates code is incomplete
#define lazy_assert_zero(a) assert_zero(a) // indicates code is incomplete
#define lazy_assert_equals(a, b) assert_equals(a, b) // indicates code is incomplete
#define invariant(a) assert(a) // indicates a code invariant that must be true
#define invariant_null(a) assert_null(a) // indicates a code invariant that must be true
#define invariant_notnull(a) assert(a) // indicates a code invariant that must be true
#define invariant_zero(a) assert_zero(a) // indicates a code invariant that must be true
#define invariant_equals(a, b) assert_equals(a, b) // indicates a code invariant that must be true
#define resource_assert(a) assert(a) // indicates resource must be available, otherwise unrecoverable
#define resource_assert_zero(a) assert_zero(a) // indicates resource must be available, otherwise unrecoverable
#define resource_assert_equals(a, b) assert_equals(a, b) // indicates resource must be available, otherwise unrecoverable
#if TOKU_DEBUG_PARANOID
#define paranoid_invariant(a) assert(a)
#define paranoid_invariant_null(a) assert_null(a)
#define paranoid_invariant_notnull(a) assert(a)
#define paranoid_invariant_zero(a) assert_zero(a)
#else // !TOKU_DEBUG_PARANOID
#define paranoid_invariant(a) ((void) 0)
#define paranoid_invariant_null(a) ((void) 0)
#define paranoid_invariant_notnull(a) ((void) 0)
#define paranoid_invariant_zero(a) ((void) 0)
#endif
static inline int
get_error_errno(void)
{
invariant(errno);
return errno;
}
extern bool toku_gdb_dump_on_assert;
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