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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2014 Intel Corporation
*/
#include <stdio.h>
#include <stdint.h>
#include <rte_common.h>
#include <rte_cycles.h>
#include "test.h"
/*
* rte_delay_us_callback test
*
* - check if callback is correctly registered/unregistered
*
*/
static unsigned int pattern;
static void my_rte_delay_us(unsigned int us)
{
pattern += us;
}
static int
test_user_delay_us(void)
{
pattern = 0;
rte_delay_us(2);
if (pattern != 0)
return -1;
/* register custom delay function */
rte_delay_us_callback_register(my_rte_delay_us);
rte_delay_us(2);
if (pattern != 2)
return -1;
rte_delay_us(3);
if (pattern != 5)
return -1;
/* restore original delay function */
rte_delay_us_callback_register(rte_delay_us_block);
rte_delay_us(3);
if (pattern != 5)
return -1;
return 0;
}
REGISTER_FAST_TEST(user_delay_us, true, true, test_user_delay_us);
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