mariadb/storage/tokudb/PerconaFT/portability/tests/test-pthread-rwlock-rwr.cc
Vicențiu Ciorbaru f6716cef7e 5.6.38-83.0
2018-01-23 19:20:10 +02:00

103 lines
3.5 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 <test.h>
#include <toku_assert.h>
#include <toku_pthread.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
// write a test see if things happen in the right order.
volatile int state = 0;
int verbose = 0;
static void *f(void *arg) {
toku_pthread_rwlock_t *mylock = (toku_pthread_rwlock_t *) arg;
sleep(2);
assert(state==42); state = 16; if (verbose) printf("%s:%d\n", __FUNCTION__, __LINE__);
toku_pthread_rwlock_wrlock(mylock);
assert(state==49); state = 17; if (verbose) printf("%s:%d\n", __FUNCTION__, __LINE__);
toku_pthread_rwlock_wrunlock(mylock);
sleep(10);
assert(state==52); state = 20; if (verbose) printf("%s:%d\n", __FUNCTION__, __LINE__);
return arg;
}
int test_main(int argc , char *const argv[] ) {
assert(argc==1 || argc==2);
if (argc==2) {
assert(strcmp(argv[1],"-v")==0);
verbose = 1;
}
int r;
toku_pthread_rwlock_t rwlock;
toku_pthread_t tid;
void *retptr;
toku_pthread_rwlock_init(toku_uninstrumented, &rwlock, nullptr);
state = 37;
if (verbose)
printf("%s:%d\n", __FUNCTION__, __LINE__);
toku_pthread_rwlock_rdlock(&rwlock);
r = toku_pthread_create(toku_uninstrumented, &tid, nullptr, f, &rwlock);
assert(r == 0);
assert(state == 37);
state = 42;
if (verbose)
printf("%s:%d\n", __FUNCTION__, __LINE__);
sleep(4);
assert(state==16); state = 44; if (verbose) printf("%s:%d\n", __FUNCTION__, __LINE__);
toku_pthread_rwlock_rdlock(&rwlock);
assert(state==44); state = 46; if (verbose) printf("%s:%d\n", __FUNCTION__, __LINE__);
toku_pthread_rwlock_rdunlock(&rwlock);
sleep(4);
assert(state==46); state=49; if (verbose) printf("%s:%d\n", __FUNCTION__, __LINE__); // still have a read lock
toku_pthread_rwlock_rdunlock(&rwlock);
sleep(6);
assert(state==17); state=52; if (verbose) printf("%s:%d\n", __FUNCTION__, __LINE__);
r = toku_pthread_join(tid, &retptr); assert(r == 0);
toku_pthread_rwlock_destroy(&rwlock);
return 0;
}