47 lines
885 B
C
47 lines
885 B
C
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/*
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* Copyright (c) 2016, Xilinx Inc. and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <stdlib.h>
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#include <metal/errno.h>
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#include "metal-test.h"
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#include <metal/atomic.h>
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#include <metal/log.h>
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#include <metal/sys.h>
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static const int atomic_test_count = 1000;
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static void *atomic_thread(void *arg)
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{
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atomic_int *c = arg;
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int i;
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for (i = 0; i < atomic_test_count; i++)
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atomic_fetch_add(c, 1);
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return NULL;
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}
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static int atomic(void)
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{
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const int threads = 10;
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atomic_int counter = ATOMIC_VAR_INIT(0);
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int value, error;
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error = metal_run(threads, atomic_thread, &counter);
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if (!error) {
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value = atomic_load(&counter);
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value -= atomic_test_count * threads;
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if (value) {
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metal_log(METAL_LOG_DEBUG, "counter mismatch, delta = %d\n",
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value);
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error = -EINVAL;
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}
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}
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return error;
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}
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METAL_ADD_TEST(atomic);
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