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67 lines
2.2 KiB
67 lines
2.2 KiB
/* Copyright (c) 2006, 2018, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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/*
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As this file may be included from inside a namespace, we cannot do
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#includes here. However, you should
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#include "my_systime.h"
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#include "mysql/components/services/my_thread_bits.h"
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outside that namespace.
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*/
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#include <atomic>
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#include <vector>
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std::atomic<int32> bad;
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my_thread_attr_t thr_attr;
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const int THREADS = 30;
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const int CYCLES = 3000;
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void test_concurrently(const char *test, my_start_routine handler, int n,
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int m) {
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std::vector<my_thread_handle> t_vec;
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t_vec.resize(n);
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ulonglong now = my_getsystime();
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int num_threads = n;
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my_thread_attr_init(&thr_attr);
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bad = 0;
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for (; n; n--) {
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if (my_thread_create(&t_vec[n - 1], &thr_attr, handler, &m) != 0) {
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ADD_FAILURE() << "Could not create thread";
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abort();
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}
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}
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for (int i = 0; i < num_threads; ++i) {
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my_thread_join(&t_vec[i], nullptr);
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}
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now = my_getsystime() - now;
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EXPECT_FALSE(bad) << "tested " << test << " in " << ((double)now) / 1e7
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<< " secs "
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<< "(" << bad.load() << ")";
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}
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