61 lines
1.3 KiB
C
61 lines
1.3 KiB
C
/*
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* Copyright (c) 2016 Linux Test Project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it would 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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*
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*/
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/*
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* Test that tst_atomic_inc works as expected.
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*/
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#include <pthread.h>
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#include "tst_test.h"
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#define THREADS 64
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#define ITERATIONS 100000
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static int atomic;
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static void *worker(void *id)
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{
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int i;
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(void) id;
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for (i = 0; i < ITERATIONS; i++)
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tst_atomic_inc(&atomic);
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return NULL;
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}
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static void do_test(void)
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{
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long i;
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pthread_t threads[THREADS];
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for (i = 0; i < THREADS; i++)
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pthread_create(threads+i, NULL, worker, (void *)i);
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for (i = 0; i < THREADS; i++) {
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tst_res(TINFO, "Joining thread %li", i);
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pthread_join(threads[i], NULL);
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}
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if (atomic == THREADS * ITERATIONS)
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tst_res(TPASS, "Atomic working as expected");
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else
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tst_res(TFAIL, "Atomic does not have expected value");
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}
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static struct tst_test test = {
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.tid = "test09",
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.test_all = do_test,
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};
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