mirror of
https://github.com/MariaDB/server.git
synced 2025-11-29 08:59:40 +01:00
117 lines
3.8 KiB
C++
117 lines
3.8 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 <sys/resource.h>
|
|
|
|
// create 200 databases and close them. set the open file limit to 100 and try to open all of them.
|
|
// eventually, the locktree can not clone fractal tree, and the db open fails.
|
|
|
|
int test_main (int argc __attribute__((__unused__)), char *const argv[] __attribute__((__unused__))) {
|
|
int r;
|
|
|
|
const int N = 200;
|
|
|
|
toku_os_recursive_delete(TOKU_TEST_FILENAME);
|
|
r = toku_os_mkdir(TOKU_TEST_FILENAME, S_IRWXU+S_IRWXG+S_IRWXO);
|
|
assert(r == 0);
|
|
|
|
DB_ENV *env;
|
|
r = db_env_create(&env, 0);
|
|
assert(r == 0);
|
|
|
|
r = env->open(env, TOKU_TEST_FILENAME, DB_INIT_MPOOL|DB_CREATE|DB_THREAD |DB_INIT_LOCK|DB_INIT_LOG|DB_INIT_TXN|DB_PRIVATE, S_IRWXU+S_IRWXG+S_IRWXO);
|
|
assert(r == 0);
|
|
|
|
DB **dbs = new DB *[N];
|
|
for (int i = 0; i < N; i++) {
|
|
dbs[i] = NULL;
|
|
}
|
|
for (int i = 0; i < N; i++) {
|
|
r = db_create(&dbs[i], env, 0);
|
|
assert(r == 0);
|
|
|
|
char dbname[32]; sprintf(dbname, "%d.test", i);
|
|
r = dbs[i]->open(dbs[i], NULL, dbname, NULL, DB_BTREE, DB_AUTO_COMMIT+DB_CREATE, S_IRWXU+S_IRWXG+S_IRWXO);
|
|
assert(r == 0);
|
|
}
|
|
|
|
for (int i = 0; i < N; i++) {
|
|
if (dbs[i]) {
|
|
r = dbs[i]->close(dbs[i], 0);
|
|
assert(r == 0);
|
|
}
|
|
}
|
|
|
|
struct rlimit nofile_limit = { N/2, N/2 };
|
|
r = setrlimit(RLIMIT_NOFILE, &nofile_limit);
|
|
// assert(r == 0); // valgrind does not like this
|
|
if (r != 0) {
|
|
printf("warning: set nofile limit to %d failed %d %s\n", N, errno, strerror(errno));
|
|
}
|
|
|
|
for (int i = 0; i < N; i++) {
|
|
dbs[i] = NULL;
|
|
}
|
|
bool emfile_happened = false; // should happen since there are less than N unused file descriptors
|
|
for (int i = 0; i < N; i++) {
|
|
r = db_create(&dbs[i], env, 0);
|
|
assert(r == 0);
|
|
|
|
char dbname[32]; sprintf(dbname, "%d.test", i);
|
|
r = dbs[i]->open(dbs[i], NULL, dbname, NULL, DB_BTREE, DB_AUTO_COMMIT, S_IRWXU+S_IRWXG+S_IRWXO);
|
|
if (r == EMFILE) {
|
|
emfile_happened = true;
|
|
break;
|
|
}
|
|
}
|
|
assert(emfile_happened);
|
|
for (int i = 0; i < N; i++) {
|
|
if (dbs[i]) {
|
|
r = dbs[i]->close(dbs[i], 0);
|
|
assert(r == 0);
|
|
}
|
|
}
|
|
|
|
r = env->close(env, 0);
|
|
assert(r == 0);
|
|
|
|
delete [] dbs;
|
|
|
|
return 0;
|
|
}
|