51 lines
1.5 KiB
C++
51 lines
1.5 KiB
C++
/* Copyright (c) 2006, 2015, 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 as published by
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the Free Software Foundation; version 2 of the License.
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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 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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volatile int32 bad;
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my_thread_attr_t thr_attr;
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mysql_mutex_t mutex;
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mysql_cond_t cond;
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uint running_threads;
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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, int m)
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{
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my_thread_handle t;
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ulonglong now= my_getsystime();
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bad= 0;
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for (running_threads= n ; n ; n--)
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{
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if (my_thread_create(&t, &thr_attr, handler, &m) != 0)
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{
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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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mysql_mutex_lock(&mutex);
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while (running_threads)
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mysql_cond_wait(&cond, &mutex);
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mysql_mutex_unlock(&mutex);
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now= my_getsystime()-now;
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EXPECT_FALSE(bad)
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<< "tested " << test
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<< " in " << ((double)now)/1e7 << " secs "
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<< "(" << bad << ")";
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}
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