mirror of
https://github.com/MariaDB/server.git
synced 2025-08-07 02:51:36 +02:00
122 lines
4.1 KiB
C++
122 lines
4.1 KiB
C++
/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
|
|
// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
|
|
#ident "$Id$"
|
|
/*======
|
|
This file is part of PerconaFT.
|
|
|
|
|
|
Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
|
|
|
|
PerconaFT is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License, version 2,
|
|
as published by the Free Software Foundation.
|
|
|
|
PerconaFT 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 PerconaFT. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
----------------------------------------
|
|
|
|
PerconaFT is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Affero General Public License, version 3,
|
|
as published by the Free Software Foundation.
|
|
|
|
PerconaFT 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 Affero General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Affero General Public License
|
|
along with PerconaFT. If not, see <http://www.gnu.org/licenses/>.
|
|
======= */
|
|
|
|
#ident "Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved."
|
|
|
|
#include <portability/toku_config.h>
|
|
#include <portability/toku_atomic.h>
|
|
|
|
#include <memory.h>
|
|
#include <stdint.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <signal.h>
|
|
|
|
#include "test.h"
|
|
|
|
int verbose = 0;
|
|
|
|
static const size_t cachelinesize = 64;
|
|
|
|
// cache line is 64 bytes
|
|
// nine 7-byte structs fill 63 bytes
|
|
// the tenth spans one byte of the first cache line and six of the next cache line
|
|
// we first SFAA the first 9 structs and ensure we don't crash, then we set a signal handler and SFAA the 10th and ensure we do crash
|
|
|
|
struct unpackedsevenbytestruct {
|
|
uint32_t i;
|
|
char pad[3];
|
|
};
|
|
struct __attribute__((packed)) packedsevenbytestruct {
|
|
uint32_t i;
|
|
char pad[3];
|
|
};
|
|
|
|
struct packedsevenbytestruct *psevenbytestructs;
|
|
static __attribute__((__noreturn__)) void catch_abort (int sig __attribute__((__unused__))) {
|
|
toku_free(psevenbytestructs);
|
|
#ifdef TOKU_DEBUG_PARANOID
|
|
exit(EXIT_SUCCESS); // with paranoid asserts, we expect to assert and reach this handler
|
|
#else
|
|
exit(EXIT_FAILURE); // we should not have crashed without paranoid asserts
|
|
#endif
|
|
}
|
|
|
|
int test_main(int UU(argc), char *const argv[] UU()) {
|
|
if (sizeof(unpackedsevenbytestruct) != 8) {
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
if (sizeof(packedsevenbytestruct) != 7) {
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
{
|
|
struct unpackedsevenbytestruct *MALLOC_N_ALIGNED(cachelinesize, 10, usevenbytestructs);
|
|
if (usevenbytestructs == NULL) {
|
|
// this test is supposed to crash, so exiting cleanly is a failure
|
|
perror("posix_memalign");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
for (int idx = 0; idx < 10; ++idx) {
|
|
usevenbytestructs[idx].i = idx + 1;
|
|
(void) toku_sync_fetch_and_add(&usevenbytestructs[idx].i, 32U - idx);
|
|
}
|
|
toku_free(usevenbytestructs);
|
|
}
|
|
|
|
|
|
MALLOC_N_ALIGNED(cachelinesize, 10, psevenbytestructs);
|
|
if (psevenbytestructs == NULL) {
|
|
// this test is supposed to crash, so exiting cleanly is a failure
|
|
perror("posix_memalign");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
for (int idx = 0; idx < 9; ++idx) {
|
|
psevenbytestructs[idx].i = idx + 1;
|
|
(void) toku_sync_fetch_and_add(&psevenbytestructs[idx].i, 32U - idx);
|
|
}
|
|
psevenbytestructs[9].i = 10;
|
|
signal(SIGABRT, catch_abort);
|
|
(void) toku_sync_fetch_and_add(&psevenbytestructs[9].i, 32U);
|
|
|
|
#ifdef TOKU_DEBUG_PARANOID
|
|
exit(EXIT_FAILURE); // with paranoid asserts, we should already have crashed
|
|
#else
|
|
exit(EXIT_SUCCESS); // without them, we should make it here
|
|
#endif
|
|
}
|