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/* Copyright (C) 2006 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#include <tap.h>
#include <my_global.h>
#include <my_sys.h>
#include <my_atomic.h>
#include <lf.h>
#include "../../storage/maria/trxman.h"
pthread_attr_t rt_attr;
pthread_mutex_t rt_mutex;
pthread_cond_t rt_cond;
int rt_num_threads;
int litmus;
/* template for a test: the goal is to have litmus==0 if the test passed
#define ITER nnn
pthread_handler_t test_XXXXXXXX(void *arg)
{
int m=(*(int *)arg)/ITER, x;
for (x=((int)(intptr)(&m)); m ; m--)
{
// do something with litmus
}
// do something more with litmus
pthread_mutex_lock(&rt_mutex);
rt_num_threads--;
if (!rt_num_threads)
{
diag("whatever diagnostics we want", blabla, foobar);
pthread_cond_signal(&rt_cond);
}
pthread_mutex_unlock(&rt_mutex);
return 0;
}
#undef ITER
*/
/*
create and end (commit or rollback) transactions randomly
*/
#define MAX_ITER 100
pthread_handler_t test_trxman(void *arg)
{
int m=(*(int *)arg);
uint x, y, i, j, n;
TRX *trx[MAX_ITER];
for (x=((int)(intptr)(&m)); m > 0; )
{
y= x= (x*3628273133 + 1500450271) % 9576890767; /* three prime numbers */
m-= n= x % MAX_ITER;
for (i=0; i < n; i++)
trx[i]=trxman_new_trx();
for (i=0; i < n; i++)
{
y=(y*19 + 7) % 31;
trxman_end_trx(trx[i], y & 1);
}
}
pthread_mutex_lock(&rt_mutex);
rt_num_threads--;
if (!rt_num_threads)
pthread_cond_signal(&rt_cond);
pthread_mutex_unlock(&rt_mutex);
return 0;
}
#undef MAX_ITER
void run_test(const char *test, pthread_handler handler, int n, int m)
{
pthread_t t;
ulonglong now=my_getsystime();
litmus= 0;
diag("Testing %s with %d threads, %d iterations... ", test, n, m);
for (rt_num_threads=n ; n ; n--)
pthread_create(&t, &rt_attr, handler, &m);
pthread_mutex_lock(&rt_mutex);
while (rt_num_threads)
pthread_cond_wait(&rt_cond, &rt_mutex);
pthread_mutex_unlock(&rt_mutex);
now=my_getsystime()-now;
ok(litmus == 0, "tested %s in %g secs (%d)", test, ((double)now)/1e7, litmus);
}
int global_malloc=0;
int main()
{
plan(1);
if (my_atomic_initialize())
return exit_status();
my_init();
pthread_attr_init(&rt_attr);
pthread_attr_setdetachstate(&rt_attr,PTHREAD_CREATE_DETACHED);
pthread_mutex_init(&rt_mutex, 0);
pthread_cond_init(&rt_cond, 0);
#define CYCLES 10000
#define THREADS 10
trxman_init();
run_test("trxman", test_trxman, THREADS,CYCLES);
trxman_destroy();
diag("mallocs: %d\n", global_malloc);
pthread_mutex_destroy(&rt_mutex);
pthread_cond_destroy(&rt_cond);
pthread_attr_destroy(&rt_attr);
my_end(0);
return exit_status();
}
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