DPDK  22.11.0
examples/helloworld/main.c
/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2014 Intel Corporation
*/
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include <errno.h>
#include <sys/queue.h>
#include <rte_memory.h>
#include <rte_launch.h>
#include <rte_eal.h>
#include <rte_per_lcore.h>
#include <rte_lcore.h>
#include <rte_debug.h>
/* Launch a function on lcore. 8< */
static int
lcore_hello(__rte_unused void *arg)
{
unsigned lcore_id;
lcore_id = rte_lcore_id();
printf("hello from core %u\n", lcore_id);
return 0;
}
/* >8 End of launching function on lcore. */
/* Initialization of Environment Abstraction Layer (EAL). 8< */
int
main(int argc, char **argv)
{
int ret;
unsigned lcore_id;
ret = rte_eal_init(argc, argv);
if (ret < 0)
rte_panic("Cannot init EAL\n");
/* >8 End of initialization of Environment Abstraction Layer */
/* Launches the function on each lcore. 8< */
/* Simpler equivalent. 8< */
rte_eal_remote_launch(lcore_hello, NULL, lcore_id);
/* >8 End of simpler equivalent. */
}
/* call it on main lcore too */
lcore_hello(NULL);
/* >8 End of launching the function on each lcore. */
/* clean up the EAL */
return 0;
}