mirror of
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95 lines
2.4 KiB
C
95 lines
2.4 KiB
C
/* Copyright (c) 2006-2008 MySQL AB, 2009 Sun Microsystems, Inc.
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Use is subject to license terms.
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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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#include <my_global.h>
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#include <my_sys.h>
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#include <my_atomic.h>
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#include <tap.h>
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volatile uint32 bad;
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pthread_attr_t thr_attr;
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pthread_mutex_t mutex;
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pthread_cond_t cond;
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uint running_threads;
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void do_tests();
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void test_concurrently(const char *test, pthread_handler handler, int n, int m)
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{
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pthread_t t;
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ulonglong now= my_interval_timer();
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bad= 0;
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diag("Testing %s with %d threads, %d iterations... ", test, n, m);
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for (running_threads= n ; n ; n--)
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{
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if (pthread_create(&t, &thr_attr, handler, &m) != 0)
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{
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diag("Could not create thread");
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abort();
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}
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}
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pthread_mutex_lock(&mutex);
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while (running_threads)
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pthread_cond_wait(&cond, &mutex);
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pthread_mutex_unlock(&mutex);
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now= my_interval_timer() - now;
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ok(!bad, "tested %s in %g secs (%d)", test, ((double)now)/1e9, bad);
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}
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int main(int argc __attribute__((unused)), char **argv)
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{
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MY_INIT(argv[0]);
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if (argv[1] && *argv[1])
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DBUG_SET_INITIAL(argv[1]);
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pthread_mutex_init(&mutex, 0);
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pthread_cond_init(&cond, 0);
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pthread_attr_init(&thr_attr);
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pthread_attr_setdetachstate(&thr_attr,PTHREAD_CREATE_DETACHED);
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#ifdef MY_ATOMIC_MODE_RWLOCKS
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#if defined(HPUX11) || defined(__POWERPC__) /* showed to be very slow (scheduler-related) */
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#define CYCLES 300
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#else
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#define CYCLES 3000
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#endif
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#else
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#define CYCLES 3000
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#endif
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#define THREADS 30
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diag("N CPUs: %d, atomic ops: %s", my_getncpus(), MY_ATOMIC_MODE);
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do_tests();
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/*
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workaround until we know why it crashes randomly on some machine
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(BUG#22320).
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*/
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#ifdef NOT_USED
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sleep(2);
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#endif
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pthread_mutex_destroy(&mutex);
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pthread_cond_destroy(&cond);
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pthread_attr_destroy(&thr_attr);
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my_end(0);
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return exit_status();
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}
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